Line data Source code
1 : /*****************************************************************************
2 : *
3 : * Project: Idrisi Raster Image File Driver
4 : * Purpose: Read/write Idrisi Raster Image Format RST
5 : * Author: Ivan Lucena, [lucena_ivan at hotmail.com]
6 : *
7 : * Revised by Hongmei Zhu, February, 2013
8 : * honzhu@clarku.edu
9 : * Clark Labs/Clark University
10 : *
11 : ******************************************************************************
12 : * Copyright( c ) 2006, Ivan Lucena
13 : * Copyright (c) 2007-2012, Even Rouault <even dot rouault at spatialys.com>
14 : *
15 : * SPDX-License-Identifier: MIT
16 : ****************************************************************************/
17 :
18 : #include "cpl_conv.h"
19 : #include "cpl_string.h"
20 : #include "cpl_csv.h"
21 : #include "gdal_frmts.h"
22 : #include "gdal_pam.h"
23 : #include "gdal_alg.h"
24 : #include "gdal_priv.h"
25 : #include "gdal_rat.h"
26 : #include "ogr_spatialref.h"
27 : #include "idrisi.h"
28 :
29 : #include "proj_experimental.h"
30 : #include "ogr_proj_p.h"
31 :
32 : #include <cmath>
33 :
34 : #ifdef _WIN32
35 : #define PATHDELIM '\\'
36 : #else
37 : #define PATHDELIM '/'
38 : #endif
39 :
40 : //----- Safe numeric conversion, NULL as zero
41 : #define atoi_nz(s) (s == nullptr ? (int)0 : atoi(s))
42 : #define CPLAtof_nz(s) (s == nullptr ? (double)0.0 : CPLAtof(s))
43 :
44 : //----- file extensions:
45 : static const char *const extRST = "rst";
46 : static const char *const extRDC = "rdc";
47 : static const char *const extSMP = "smp";
48 : static const char *const extREF = "ref";
49 : // static const char * const extRSTu = "RST";
50 : static const char *const extRDCu = "RDC";
51 : static const char *const extSMPu = "SMP";
52 : static const char *const extREFu = "REF";
53 :
54 : //----- field names on rdc file:
55 : static const char *const rdcFILE_FORMAT = "file format ";
56 : static const char *const rdcFILE_TITLE = "file title ";
57 : static const char *const rdcDATA_TYPE = "data type ";
58 : static const char *const rdcFILE_TYPE = "file type ";
59 : static const char *const rdcCOLUMNS = "columns ";
60 : static const char *const rdcROWS = "rows ";
61 : static const char *const rdcREF_SYSTEM = "ref. system ";
62 : static const char *const rdcREF_UNITS = "ref. units ";
63 : static const char *const rdcUNIT_DIST = "unit dist. ";
64 : static const char *const rdcMIN_X = "min. X ";
65 : static const char *const rdcMAX_X = "max. X ";
66 : static const char *const rdcMIN_Y = "min. Y ";
67 : static const char *const rdcMAX_Y = "max. Y ";
68 : static const char *const rdcPOSN_ERROR = "pos'n error ";
69 : static const char *const rdcRESOLUTION = "resolution ";
70 : static const char *const rdcMIN_VALUE = "min. value ";
71 : static const char *const rdcMAX_VALUE = "max. value ";
72 : static const char *const rdcDISPLAY_MIN = "display min ";
73 : static const char *const rdcDISPLAY_MAX = "display max ";
74 : static const char *const rdcVALUE_UNITS = "value units ";
75 : static const char *const rdcVALUE_ERROR = "value error ";
76 : static const char *const rdcFLAG_VALUE = "flag value ";
77 : static const char *const rdcFLAG_DEFN = "flag def'n ";
78 : static const char *const rdcFLAG_DEFN2 = "flag def`n ";
79 : static const char *const rdcLEGEND_CATS = "legend cats ";
80 : static const char *const rdcLINEAGES = "lineage ";
81 : static const char *const rdcCOMMENTS = "comment ";
82 : static const char *const rdcCODE_N = "code %6d ";
83 :
84 : //----- ".ref" file field names:
85 : static const char *const refREF_SYSTEM = "ref. system ";
86 : static const char *const refREF_SYSTEM2 = "ref.system ";
87 : static const char *const refPROJECTION = "projection ";
88 : static const char *const refDATUM = "datum ";
89 : static const char *const refDELTA_WGS84 = "delta WGS84 ";
90 : static const char *const refELLIPSOID = "ellipsoid ";
91 : static const char *const refMAJOR_SAX = "major s-ax ";
92 : static const char *const refMINOR_SAX = "minor s-ax ";
93 : static const char *const refORIGIN_LONG = "origin long ";
94 : static const char *const refORIGIN_LAT = "origin lat ";
95 : static const char *const refORIGIN_X = "origin X ";
96 : static const char *const refORIGIN_Y = "origin Y ";
97 : static const char *const refSCALE_FAC = "scale fac ";
98 : static const char *const refUNITS = "units ";
99 : static const char *const refPARAMETERS = "parameters ";
100 : static const char *const refSTANDL_1 = "stand ln 1 ";
101 : static const char *const refSTANDL_2 = "stand ln 2 ";
102 :
103 : //----- standard values:
104 : static const char *const rstVERSION = "Idrisi Raster A.1";
105 : static const char *const rstBYTE = "byte";
106 : static const char *const rstINTEGER = "integer";
107 : static const char *const rstREAL = "real";
108 : static const char *const rstRGB24 = "rgb24";
109 : static const char *const rstDEGREE = "deg";
110 : static const char *const rstMETER = "m";
111 : static const char *const rstLATLONG = "latlong";
112 : static const char *const rstLATLONG2 = "lat/long";
113 : static const char *const rstPLANE = "plane";
114 : static const char *const rstUTM = "utm-%d%c";
115 : static const char *const rstSPC = "spc%2d%2s%d";
116 :
117 : //----- palette file( .smp ) header size:
118 : constexpr int smpHEADERSIZE = 18;
119 :
120 : //----- check if file exists:
121 : bool FileExists(const char *pszPath);
122 :
123 : //----- Reference Table
124 : struct ReferenceTab
125 : {
126 : int nCode;
127 : const char *pszName;
128 : };
129 :
130 : //----- USA State's reference table to USGS PCS Code
131 : constexpr ReferenceTab aoUSStateTable[] = {
132 : {101, "al"}, {201, "az"}, {301, "ar"}, {401, "ca"}, {501, "co"},
133 : {600, "ct"}, {700, "de"}, {901, "fl"}, {1001, "ga"}, {1101, "id"},
134 : {1201, "il"}, {1301, "in"}, {1401, "ia"}, {1501, "ks"}, {1601, "ky"},
135 : {1701, "la"}, {1801, "me"}, {1900, "md"}, {2001, "ma"}, {2111, "mi"},
136 : {2201, "mn"}, {2301, "ms"}, {2401, "mo"}, {2500, "mt"}, {2600, "ne"},
137 : {2701, "nv"}, {2800, "nh"}, {2900, "nj"}, {3001, "nm"}, {3101, "ny"},
138 : {3200, "nc"}, {3301, "nd"}, {3401, "oh"}, {3501, "ok"}, {3601, "or"},
139 : {3701, "pa"}, {3800, "ri"}, {3900, "sc"}, {4001, "sd"}, {4100, "tn"},
140 : {4201, "tx"}, {4301, "ut"}, {4400, "vt"}, {4501, "va"}, {4601, "wa"},
141 : {4701, "wv"}, {4801, "wv"}, {4901, "wy"}, {5001, "ak"}, {5101, "hi"},
142 : {5200, "pr"}};
143 :
144 : //---- The origin table for USA State Plane Systems
145 : struct OriginTab83
146 : {
147 : double longitude;
148 : double latitude;
149 : const char *spcs;
150 : };
151 :
152 : constexpr int ORIGIN_COUNT = 148;
153 :
154 : //---- USA State plane coordinate system in IDRISI
155 : static const OriginTab83 SPCS83Origin[] = {
156 : {85.83, 30.50, "SPC83AL1"}, {87.50, 30.00, "SPC83AL2"},
157 : {176.00, 51.00, "SPC83AK0"}, {142.00, 54.00, "SPC83AK2"},
158 : {146.00, 54.00, "SPC83AK3"}, {150.00, 54.00, "SPC83AK4"},
159 : {154.00, 54.00, "SPC83AK5"}, {158.00, 54.00, "SPC83AK6"},
160 : {162.00, 54.00, "SPC83AK7"}, {166.00, 54.00, "SPC83AK8"},
161 : {170.00, 54.00, "SPC83AK9"}, {110.17, 31.00, "SPC83AZ1"},
162 : {111.92, 31.00, "SPC83AZ2"}, {113.75, 31.00, "SPC83AZ3"},
163 : {92.00, 34.33, "SPC83AR1"}, {92.00, 32.67, "SPC83AR2"},
164 : {122.00, 39.33, "SPC83CA1"}, {122.00, 37.67, "SPC83CA2"},
165 : {120.50, 36.50, "SPC83CA3"}, {119.00, 35.33, "SPC83CA4"},
166 : {118.00, 33.50, "SPC83CA5"}, {116.25, 32.17, "SPC83CA6"},
167 : {105.50, 39.33, "SPC83CO1"}, {105.50, 37.83, "SPC83CO2"},
168 : {105.50, 36.67, "SPC83CO3"}, {72.75, 40.83, "SPC83CT1"},
169 : {75.42, 38.00, "SPC83DE1"}, {81.00, 24.33, "SPC83FL1"},
170 : {82.00, 24.33, "SPC83FL2"}, {84.50, 29.00, "SPC83FL3"},
171 : {82.17, 30.00, "SPC83GA1"}, {84.17, 30.00, "SPC83GA2"},
172 : {155.50, 18.83, "SPC83HI1"}, {156.67, 20.33, "SPC83HI2"},
173 : {158.00, 21.17, "SPC83HI3"}, {159.50, 21.83, "SPC83HI4"},
174 : {160.17, 21.67, "SPC83HI5"}, {112.17, 41.67, "SPC83ID1"},
175 : {114.00, 41.67, "SPC83ID2"}, {115.75, 41.67, "SPC83ID3"},
176 : {88.33, 36.67, "SPC83IL1"}, {90.17, 36.67, "SPC83IL1"},
177 : {85.67, 37.50, "SPC83IN1"}, {87.08, 37.50, "SPC83IN2"},
178 : {93.50, 41.50, "SPC83IA1"}, {93.50, 40.00, "SPC83IA1"},
179 : {98.00, 38.33, "SPC83KS1"}, {98.50, 36.67, "SPC83KS2"},
180 : {84.25, 37.50, "SPC83KY1"}, {85.75, 36.33, "SPC83KY2"},
181 : {92.50, 30.50, "SPC83LA1"}, {91.33, 28.50, "SPC83LA2"},
182 : {91.33, 25.50, "SPC83LA3"}, {92.50, 30.67, "SPC27LA1"}, // NAD27 system
183 : {91.33, 28.67, "SPC27LA2"}, {91.33, 25.67, "SPC27LA3"}, //
184 : {68.50, 43.67, "SPC83ME1"}, {68.50, 43.83, "SPC27ME1"}, // NAD27
185 : {70.17, 42.83, "SPC83ME2"}, {77.00, 37.67, "SPC83MD1"}, //
186 : {77.00, 37.83, "SPC27MD1"}, // NAD27
187 : {71.50, 41.00, "SPC83MA1"}, {70.50, 41.00, "SPC83MA2"},
188 : {87.00, 44.78, "SPC83MI1"}, {84.37, 43.32, "SPC83MI2"},
189 : {84.37, 41.50, "SPC83MI3"}, {84.33, 43.32, "SPC27MI2"}, // NAD27 L
190 : {84.33, 41.50, "SPC27MI3"}, // NAD27 L
191 : {83.67, 41.50, "SPC27MI4"}, // NAD27 TM
192 : {85.75, 41.50, "SPC27MI5"}, // NAD27 TM
193 : {88.75, 41.50, "SPC27MI6"}, // NAD27 TM
194 : {93.10, 46.50, "SPC83MN1"}, {94.25, 45.00, "SPC83MN2"},
195 : {94.00, 43.00, "SPC83MN3"}, {88.83, 29.50, "SPC83MS1"},
196 : {90.33, 29.50, "SPC83MS2"}, {88.83, 29.67, "SPC83MS1"}, // NAD27
197 : {90.33, 30.50, "SPC83MS2"}, //
198 : {90.50, 35.83, "SPC83MO1"}, {92.50, 35.83, "SPC83MO2"},
199 : {94.50, 36.17, "SPC83MO3"}, {109.50, 44.25, "SPC83MT1"},
200 : {109.50, 47.00, "SPC27MT1"}, // NAD27
201 : {109.50, 45.83, "SPC27MT2"}, {109.50, 44.00, "SPC27MT3"}, //
202 : {100.00, 39.83, "SPC83NE1"}, {115.58, 34.75, "SPC83NV1"},
203 : {116.67, 34.75, "SPC83NV2"}, {118.58, 34.75, "SPC83NV3"},
204 : {71.67, 42.50, "SPC83NH1"}, {74.50, 38.83, "SPC83NJ1"},
205 : {74.67, 38.83, "SPC27NJ1"}, // NAD27
206 : {104.33, 31.00, "SPC83NM1"}, {106.25, 31.00, "SPC83NM2"},
207 : {107.83, 31.00, "SPC83NM3"}, {74.50, 38.83, "SPC83NY1"},
208 : {76.58, 40.00, "SPC83NY2"}, {78.58, 40.00, "SPC83NY3"},
209 : {74.00, 40.17, "SPC83NY4"}, {74.33, 40.00, "SPC27NY1"}, // NAD27
210 : {74.00, 40.50, "SPC27NY4"}, //
211 : {79.00, 33.75, "SPC83NC1"}, {100.50, 47.00, "SPC83ND1"},
212 : {100.50, 45.67, "SPC83ND2"}, {82.50, 39.67, "SPC83OH1"},
213 : {82.50, 38.00, "SPC83OH2"}, {98.00, 35.00, "SPC83OK1"},
214 : {98.00, 33.33, "SPC83OK2"}, {120.50, 43.67, "SPC83OR1"},
215 : {120.50, 41.67, "SPC83OR2"}, {77.75, 40.17, "SPC83PA1"},
216 : {77.75, 39.33, "SPC83PA2"}, {71.50, 41.08, "SPC83RI1"},
217 : {81.00, 31.83, "SPC83SC1"}, {81.00, 33.00, "SPC27SC1"}, // NAD27
218 : {81.00, 31.83, "SPC27SC2"}, // NAD27
219 : {100.00, 43.83, "SPC83SD1"}, {100.33, 42.33, "SPC83SD2"},
220 : {86.00, 34.33, "SPC83TN1"}, {86.00, 34.67, "SPC27TN1"}, // NAD27
221 : {101.50, 34.00, "SPC83TX1"}, //
222 : {98.50, 31.67, "SPC83TX2"}, {100.33, 29.67, "SPC83TX3"},
223 : {99.00, 27.83, "SPC83TX4"}, {98.50, 25.67, "SPC83TX5"},
224 : {97.50, 31.67, "SPC27TX2"}, // NAD27
225 : {111.50, 40.33, "SPC83UT1"}, {111.50, 38.33, "SPC83UT2"},
226 : {111.50, 36.67, "SPC83UT3"}, {72.50, 42.50, "SPC83VT1"},
227 : {78.50, 37.67, "SPC83VA1"}, {78.50, 36.33, "SPC83VA2"},
228 : {120.83, 47.00, "SPC83WA1"}, {120.50, 45.33, "SPC83WA2"},
229 : {79.50, 38.50, "SPC83WV1"}, {81.00, 37.00, "SPC83WV2"},
230 : {90.00, 45.17, "SPC83WI1"}, {90.00, 43.83, "SPC83WI2"},
231 : {90.00, 42.00, "SPC83WI3"}, {105.17, 40.50, "SPC83WY1"},
232 : {107.33, 40.50, "SPC83WY2"}, {108.75, 40.50, "SPC83WY3"},
233 : {110.08, 40.50, "SPC83WY4"}, {105.17, 40.67, "SPC27WY1"}, // NAD27
234 : {105.33, 40.67, "SPC27WY2"}, {108.75, 40.67, "SPC27WY3"},
235 : {110.08, 40.67, "SPC27WY4"}, //
236 : {66.43, 17.83, "SPC83PR1"}};
237 :
238 : // Get IDRISI State Plane name by origin
239 : char *GetSpcs(double dfLon, double dfLat);
240 :
241 : // change NAD from 83 to 27
242 : void NAD83to27(char *pszOutRef, char *pszInRef);
243 :
244 : #define US_STATE_COUNT (sizeof(aoUSStateTable) / sizeof(ReferenceTab))
245 :
246 : //----- Get the Code of a US State
247 : int GetStateCode(const char *pszState);
248 :
249 : //----- Get the state name of a Code
250 : const char *GetStateName(int nCode);
251 :
252 : //----- Conversion Table definition
253 : struct ConversionTab
254 : {
255 : const char *pszName;
256 : int nDefaultI;
257 : int nDefaultG;
258 : double dfConv;
259 : };
260 :
261 : //----- Linear Unit Conversion Table
262 : static const ConversionTab aoLinearUnitsConv[] = {
263 : {"m", /* 0 */ 0, 1, 1.0},
264 : {SRS_UL_METER, /* 1 */ 0, 1, 1.0},
265 : {"meters", /* 2 */ 0, 1, 1.0},
266 : {"metre", /* 3 */ 0, 1, 1.0},
267 :
268 : {"ft", /* 4 */ 4, 5, 0.3048},
269 : {SRS_UL_FOOT, /* 5 */ 4, 5, 0.3048},
270 : {"feet", /* 6 */ 4, 5, 0.3048},
271 : {"foot_us", /* 7 */ 4, 5, 0.3048006},
272 : {"u.s. foot", /* 8 */ 4, 5, 0.3048006},
273 :
274 : {"mi", /* 9 */ 9, 10, 1612.9},
275 : {"mile", /* 10 */ 9, 10, 1612.9},
276 : {"miles", /* 11 */ 9, 10, 1612.9},
277 :
278 : {"km", /* 12 */ 12, 13, 1000.0},
279 : {"kilometers", /* 13 */ 12, 13, 1000.0},
280 : {"kilometer", /* 14 */ 12, 13, 1000.0},
281 : {"kilometre", /* 15 */ 12, 13, 1000.0},
282 :
283 : {"deg", /* 16 */ 16, 17, 0.0},
284 : {SRS_UA_DEGREE, /* 17 */ 16, 17, 0.0},
285 : {"degrees", /* 18 */ 16, 17, 0.0},
286 :
287 : {"rad", /* 19 */ 19, 20, 0.0},
288 : {SRS_UA_RADIAN, /* 20 */ 19, 20, 0.0},
289 : {"radians", /* 21 */ 19, 20, 0.0}};
290 : #define LINEAR_UNITS_COUNT (sizeof(aoLinearUnitsConv) / sizeof(ConversionTab))
291 :
292 : //----- Get the index of a given linear unit
293 : static int GetUnitIndex(const char *pszUnitName);
294 :
295 : //----- Get the default name
296 : static char *GetUnitDefault(const char *pszUnitName,
297 : const char *pszToMeter = nullptr);
298 :
299 : //----- Get the "to meter"
300 : static int GetToMeterIndex(const char *pszToMeter);
301 :
302 : //----- CSLSaveCRLF
303 : static int SaveAsCRLF(char **papszStrList, const char *pszFname);
304 :
305 : /************************************************************************/
306 : /* myCSLFetchNameValue() */
307 : /************************************************************************/
308 :
309 1192 : static const char *myCSLFetchNameValue(char **papszStrList, const char *pszName)
310 : {
311 1192 : if (papszStrList == nullptr || pszName == nullptr)
312 4 : return nullptr;
313 :
314 1188 : size_t nLen = strlen(pszName);
315 4541 : while (nLen > 0 && pszName[nLen - 1] == ' ')
316 3353 : nLen--;
317 20461 : while (*papszStrList != nullptr)
318 : {
319 20449 : if (EQUALN(*papszStrList, pszName, nLen))
320 : {
321 : size_t i;
322 4451 : for (i = nLen; (*papszStrList)[i] == ' '; ++i)
323 : {
324 : }
325 1176 : if ((*papszStrList)[i] == '=' || (*papszStrList)[i] == ':')
326 : {
327 1176 : return (*papszStrList) + i + 1;
328 : }
329 : }
330 19273 : ++papszStrList;
331 : }
332 12 : return nullptr;
333 : }
334 :
335 : /************************************************************************/
336 : /* myCSLSetNameValueSeparator() */
337 : /************************************************************************/
338 :
339 86 : static void myCSLSetNameValueSeparator(char **papszList,
340 : const char *pszSeparator)
341 : {
342 86 : const int nLines = CSLCount(papszList);
343 :
344 1926 : for (int iLine = 0; iLine < nLines; ++iLine)
345 : {
346 1840 : char *pszSep = strchr(papszList[iLine], '=');
347 1840 : if (pszSep == nullptr)
348 1164 : pszSep = strchr(papszList[iLine], ':');
349 1840 : if (pszSep == nullptr)
350 0 : continue;
351 1840 : *pszSep = '\0';
352 1840 : const char *pszKey = papszList[iLine];
353 1840 : const char *pszValue = pszSep + 1;
354 2626 : while (*pszValue == ' ')
355 786 : pszValue++;
356 :
357 3680 : char *pszNewLine = static_cast<char *>(CPLMalloc(
358 1840 : strlen(pszValue) + strlen(pszKey) + strlen(pszSeparator) + 1));
359 1840 : strcpy(pszNewLine, pszKey);
360 1840 : strcat(pszNewLine, pszSeparator);
361 1840 : strcat(pszNewLine, pszValue);
362 1840 : CPLFree(papszList[iLine]);
363 1840 : papszList[iLine] = pszNewLine;
364 : }
365 86 : }
366 :
367 : //----- Classes pre-definition:
368 : class IdrisiRasterBand;
369 :
370 : // ----------------------------------------------------------------------------
371 : // Idrisi GDALDataset
372 : // ----------------------------------------------------------------------------
373 :
374 : class IdrisiDataset final : public GDALPamDataset
375 : {
376 : friend class IdrisiRasterBand;
377 :
378 : private:
379 : VSILFILE *fp;
380 :
381 : char *pszFilename;
382 : char *pszDocFilename;
383 : char **papszRDC;
384 : GDALGeoTransform m_gt{};
385 :
386 : mutable OGRSpatialReference m_oSRS{};
387 : char **papszCategories;
388 : char *pszUnitType;
389 : // Move GeoReference2Wkt() into header file.
390 : CPLErr Wkt2GeoReference(const OGRSpatialReference &oSRS,
391 : char **pszRefSystem, char **pszRefUnit);
392 :
393 : protected:
394 : GDALColorTable *poColorTable;
395 :
396 : public:
397 : IdrisiDataset();
398 : virtual ~IdrisiDataset();
399 :
400 : static GDALDataset *Open(GDALOpenInfo *poOpenInfo);
401 : static GDALDataset *Create(const char *pszFilename, int nXSize, int nYSize,
402 : int nBands, GDALDataType eType,
403 : char **papszOptions);
404 : static GDALDataset *CreateCopy(const char *pszFilename,
405 : GDALDataset *poSrcDS, int bStrict,
406 : char **papszOptions,
407 : GDALProgressFunc pfnProgress,
408 : void *pProgressData);
409 : virtual char **GetFileList(void) override;
410 : virtual CPLErr GetGeoTransform(GDALGeoTransform >) const override;
411 : virtual CPLErr SetGeoTransform(const GDALGeoTransform >) override;
412 :
413 : const OGRSpatialReference *GetSpatialRef() const override;
414 : CPLErr SetSpatialRef(const OGRSpatialReference *poSRS) override;
415 : };
416 :
417 : // ----------------------------------------------------------------------------
418 : // Idrisi GDALPamRasterBand
419 : // ----------------------------------------------------------------------------
420 :
421 : class IdrisiRasterBand final : public GDALPamRasterBand
422 : {
423 : friend class IdrisiDataset;
424 :
425 : GDALRasterAttributeTable *poDefaultRAT;
426 :
427 : private:
428 : int nRecordSize;
429 : GByte *pabyScanLine;
430 :
431 : public:
432 : IdrisiRasterBand(IdrisiDataset *poDS, int nBand, GDALDataType eDataType);
433 : virtual ~IdrisiRasterBand();
434 :
435 : virtual double GetNoDataValue(int *pbSuccess = nullptr) override;
436 : virtual double GetMinimum(int *pbSuccess = nullptr) override;
437 : virtual double GetMaximum(int *pbSuccess = nullptr) override;
438 : virtual CPLErr IReadBlock(int nBlockXOff, int nBlockYOff,
439 : void *pImage) override;
440 : virtual CPLErr IWriteBlock(int nBlockXOff, int nBlockYOff,
441 : void *pImage) override;
442 : virtual GDALColorTable *GetColorTable() override;
443 : virtual GDALColorInterp GetColorInterpretation() override;
444 : virtual char **GetCategoryNames() override;
445 : virtual const char *GetUnitType() override;
446 :
447 : virtual CPLErr SetCategoryNames(char **papszCategoryNames) override;
448 : virtual CPLErr SetNoDataValue(double dfNoDataValue) override;
449 : virtual CPLErr SetColorTable(GDALColorTable *poColorTable) override;
450 : virtual CPLErr SetUnitType(const char *pszUnitType) override;
451 : virtual CPLErr SetStatistics(double dfMin, double dfMax, double dfMean,
452 : double dfStdDev) override;
453 : CPLErr SetMinMax(double dfMin, double dfMax);
454 : virtual GDALRasterAttributeTable *GetDefaultRAT() override;
455 : virtual CPLErr SetDefaultRAT(const GDALRasterAttributeTable *) override;
456 :
457 : float fMaximum;
458 : float fMinimum;
459 : bool bFirstVal;
460 : };
461 :
462 : // ------------------------------------------------------------------------ //
463 : // Implementation of IdrisiDataset //
464 : // ------------------------------------------------------------------------ //
465 :
466 : /************************************************************************/
467 : /* IdrisiDataset() */
468 : /************************************************************************/
469 :
470 36 : IdrisiDataset::IdrisiDataset()
471 : : fp(nullptr), pszFilename(nullptr), pszDocFilename(nullptr),
472 : papszRDC(nullptr), papszCategories(nullptr), pszUnitType(nullptr),
473 36 : poColorTable(new GDALColorTable())
474 : {
475 36 : m_oSRS.SetAxisMappingStrategy(OAMS_TRADITIONAL_GIS_ORDER);
476 36 : }
477 :
478 : /************************************************************************/
479 : /* ~IdrisiDataset() */
480 : /************************************************************************/
481 :
482 72 : IdrisiDataset::~IdrisiDataset()
483 : {
484 36 : FlushCache(true);
485 :
486 36 : if (papszRDC != nullptr && eAccess == GA_Update)
487 : {
488 : // int bSuccessMin = FALSE;
489 : // int bSuccessMax = FALSE;
490 :
491 20 : double dfMin = 0.0;
492 20 : double dfMax = 0.0;
493 20 : double dfMean = 0.0;
494 20 : double dfStdDev = 0.0;
495 :
496 40 : for (int i = 0; i < nBands; i++)
497 : {
498 : IdrisiRasterBand *poBand =
499 20 : cpl::down_cast<IdrisiRasterBand *>(GetRasterBand(i + 1));
500 20 : poBand->ComputeStatistics(false, &dfMin, &dfMax, &dfMean, &dfStdDev,
501 20 : nullptr, nullptr);
502 : /*
503 : dfMin = poBand->GetMinimum( &bSuccessMin );
504 : dfMax = poBand->GetMaximum( &bSuccessMax );
505 :
506 : if( ! ( bSuccessMin && bSuccessMax ) )
507 : {
508 : poBand->GetStatistics( false, true, &dfMin, &dfMax, NULL, NULL );
509 : }
510 : */
511 20 : poBand->SetMinMax(dfMin, dfMax);
512 : }
513 :
514 20 : myCSLSetNameValueSeparator(papszRDC, ": ");
515 20 : SaveAsCRLF(papszRDC, pszDocFilename);
516 : }
517 36 : CSLDestroy(papszRDC);
518 :
519 36 : if (poColorTable)
520 : {
521 36 : delete poColorTable;
522 : }
523 36 : CPLFree(pszFilename);
524 36 : CPLFree(pszDocFilename);
525 36 : CSLDestroy(papszCategories);
526 36 : CPLFree(pszUnitType);
527 :
528 36 : if (fp != nullptr)
529 36 : VSIFCloseL(fp);
530 72 : }
531 :
532 : /************************************************************************/
533 : /* Open() */
534 : /************************************************************************/
535 :
536 34647 : GDALDataset *IdrisiDataset::Open(GDALOpenInfo *poOpenInfo)
537 : {
538 38878 : if ((poOpenInfo->fpL == nullptr) ||
539 4231 : (poOpenInfo->IsExtensionEqualToCI(extRST) == FALSE)) // modified
540 34606 : return nullptr;
541 :
542 : // --------------------------------------------------------------------
543 : // Check the documentation file .rdc
544 : // --------------------------------------------------------------------
545 :
546 : std::string osLDocFilename =
547 81 : CPLResetExtensionSafe(poOpenInfo->pszFilename, extRDC);
548 :
549 40 : if (!FileExists(osLDocFilename.c_str()))
550 : {
551 : osLDocFilename =
552 0 : CPLResetExtensionSafe(poOpenInfo->pszFilename, extRDCu);
553 :
554 0 : if (!FileExists(osLDocFilename.c_str()))
555 : {
556 0 : return nullptr;
557 : }
558 : }
559 :
560 40 : char **papszLRDC = CSLLoad(osLDocFilename.c_str());
561 :
562 40 : myCSLSetNameValueSeparator(papszLRDC, ":");
563 :
564 40 : const char *pszVersion = myCSLFetchNameValue(papszLRDC, rdcFILE_FORMAT);
565 :
566 40 : if (pszVersion == nullptr || !EQUAL(pszVersion, rstVERSION))
567 : {
568 4 : CSLDestroy(papszLRDC);
569 4 : return nullptr;
570 : }
571 :
572 : // --------------------------------------------------------------------
573 : // Create a corresponding GDALDataset
574 : // --------------------------------------------------------------------
575 :
576 36 : IdrisiDataset *poDS = new IdrisiDataset();
577 36 : poDS->eAccess = poOpenInfo->eAccess;
578 36 : poDS->pszFilename = CPLStrdup(poOpenInfo->pszFilename);
579 :
580 36 : if (poOpenInfo->eAccess == GA_ReadOnly)
581 : {
582 16 : poDS->fp = VSIFOpenL(poDS->pszFilename, "rb");
583 : }
584 : else
585 : {
586 20 : poDS->fp = VSIFOpenL(poDS->pszFilename, "r+b");
587 : }
588 :
589 36 : if (poDS->fp == nullptr)
590 : {
591 0 : CSLDestroy(papszLRDC);
592 0 : delete poDS;
593 0 : return nullptr;
594 : }
595 :
596 36 : poDS->pszDocFilename = CPLStrdup(osLDocFilename.c_str());
597 36 : poDS->papszRDC = CSLDuplicate(papszLRDC);
598 36 : CSLDestroy(papszLRDC);
599 :
600 : // --------------------------------------------------------------------
601 : // Load information from rdc
602 : // --------------------------------------------------------------------
603 :
604 36 : poDS->nRasterXSize =
605 36 : atoi_nz(myCSLFetchNameValue(poDS->papszRDC, rdcCOLUMNS));
606 36 : poDS->nRasterYSize = atoi_nz(myCSLFetchNameValue(poDS->papszRDC, rdcROWS));
607 36 : if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize))
608 : {
609 6 : delete poDS;
610 6 : return nullptr;
611 : }
612 :
613 : // --------------------------------------------------------------------
614 : // Create band information
615 : // --------------------------------------------------------------------
616 :
617 30 : const char *pszDataType = myCSLFetchNameValue(poDS->papszRDC, rdcDATA_TYPE);
618 30 : if (pszDataType == nullptr)
619 : {
620 0 : delete poDS;
621 0 : return nullptr;
622 : }
623 :
624 30 : if (EQUAL(pszDataType, rstBYTE))
625 : {
626 5 : poDS->nBands = 1;
627 5 : poDS->SetBand(1, new IdrisiRasterBand(poDS, 1, GDT_Byte));
628 : }
629 25 : else if (EQUAL(pszDataType, rstINTEGER))
630 : {
631 9 : poDS->nBands = 1;
632 9 : poDS->SetBand(1, new IdrisiRasterBand(poDS, 1, GDT_Int16));
633 : }
634 16 : else if (EQUAL(pszDataType, rstREAL))
635 : {
636 10 : poDS->nBands = 1;
637 10 : poDS->SetBand(1, new IdrisiRasterBand(poDS, 1, GDT_Float32));
638 : }
639 6 : else if (EQUAL(pszDataType, rstRGB24))
640 : {
641 6 : poDS->nBands = 3;
642 6 : poDS->SetBand(1, new IdrisiRasterBand(poDS, 1, GDT_Byte));
643 6 : poDS->SetBand(2, new IdrisiRasterBand(poDS, 2, GDT_Byte));
644 6 : poDS->SetBand(3, new IdrisiRasterBand(poDS, 3, GDT_Byte));
645 : }
646 : else
647 : {
648 0 : CPLError(CE_Failure, CPLE_AppDefined, "Unknown data type : %s",
649 : pszDataType);
650 0 : delete poDS;
651 0 : return nullptr;
652 : }
653 :
654 72 : for (int i = 0; i < poDS->nBands; i++)
655 : {
656 : IdrisiRasterBand *band =
657 42 : cpl::down_cast<IdrisiRasterBand *>(poDS->GetRasterBand(i + 1));
658 42 : if (band->pabyScanLine == nullptr)
659 : {
660 0 : delete poDS;
661 0 : return nullptr;
662 : }
663 : }
664 :
665 : // --------------------------------------------------------------------
666 : // Load the transformation matrix
667 : // --------------------------------------------------------------------
668 :
669 30 : const char *pszMinX = myCSLFetchNameValue(poDS->papszRDC, rdcMIN_X);
670 30 : const char *pszMaxX = myCSLFetchNameValue(poDS->papszRDC, rdcMAX_X);
671 30 : const char *pszMinY = myCSLFetchNameValue(poDS->papszRDC, rdcMIN_Y);
672 30 : const char *pszMaxY = myCSLFetchNameValue(poDS->papszRDC, rdcMAX_Y);
673 30 : const char *pszUnit = myCSLFetchNameValue(poDS->papszRDC, rdcUNIT_DIST);
674 :
675 30 : if (pszMinX != nullptr && strlen(pszMinX) > 0 && pszMaxX != nullptr &&
676 30 : strlen(pszMaxX) > 0 && pszMinY != nullptr && strlen(pszMinY) > 0 &&
677 30 : pszMaxY != nullptr && strlen(pszMaxY) > 0 && pszUnit != nullptr &&
678 30 : strlen(pszUnit) > 0)
679 : {
680 : double dfMinX, dfMaxX, dfMinY, dfMaxY, dfUnit, dfXPixSz, dfYPixSz;
681 :
682 30 : dfMinX = CPLAtof_nz(pszMinX);
683 30 : dfMaxX = CPLAtof_nz(pszMaxX);
684 30 : dfMinY = CPLAtof_nz(pszMinY);
685 30 : dfMaxY = CPLAtof_nz(pszMaxY);
686 30 : dfUnit = CPLAtof_nz(pszUnit);
687 :
688 30 : dfMinX = dfMinX * dfUnit;
689 30 : dfMaxX = dfMaxX * dfUnit;
690 30 : dfMinY = dfMinY * dfUnit;
691 30 : dfMaxY = dfMaxY * dfUnit;
692 :
693 30 : dfYPixSz = (dfMinY - dfMaxY) / poDS->nRasterYSize;
694 30 : dfXPixSz = (dfMaxX - dfMinX) / poDS->nRasterXSize;
695 :
696 30 : poDS->m_gt[0] = dfMinX;
697 30 : poDS->m_gt[1] = dfXPixSz;
698 30 : poDS->m_gt[2] = 0.0;
699 30 : poDS->m_gt[3] = dfMaxY;
700 30 : poDS->m_gt[4] = 0.0;
701 30 : poDS->m_gt[5] = dfYPixSz;
702 : }
703 :
704 : // --------------------------------------------------------------------
705 : // Set Color Table in the presence of a smp file
706 : // --------------------------------------------------------------------
707 :
708 30 : if (poDS->nBands != 3)
709 : {
710 : const std::string osSMPFilename =
711 48 : CPLResetExtensionSafe(poDS->pszFilename, extSMP);
712 24 : VSILFILE *fpSMP = VSIFOpenL(osSMPFilename.c_str(), "rb");
713 24 : if (fpSMP != nullptr)
714 : {
715 : int dfMaxValue =
716 0 : atoi_nz(myCSLFetchNameValue(poDS->papszRDC, rdcMAX_VALUE));
717 : int nCatCount =
718 0 : atoi_nz(myCSLFetchNameValue(poDS->papszRDC, rdcLEGEND_CATS));
719 0 : if (nCatCount == 0)
720 0 : dfMaxValue = 255;
721 0 : VSIFSeekL(fpSMP, smpHEADERSIZE, SEEK_SET);
722 : GDALColorEntry oEntry;
723 : unsigned char aucRGB[3];
724 0 : int i = 0;
725 0 : while ((VSIFReadL(&aucRGB, sizeof(aucRGB), 1, fpSMP)) &&
726 : (i <= dfMaxValue))
727 : {
728 0 : oEntry.c1 = (short)aucRGB[0];
729 0 : oEntry.c2 = (short)aucRGB[1];
730 0 : oEntry.c3 = (short)aucRGB[2];
731 0 : oEntry.c4 = (short)255;
732 0 : poDS->poColorTable->SetColorEntry(i, &oEntry);
733 0 : i++;
734 : }
735 0 : VSIFCloseL(fpSMP);
736 : }
737 : }
738 :
739 : // --------------------------------------------------------------------
740 : // Check for Unit Type
741 : // --------------------------------------------------------------------
742 :
743 : const char *pszValueUnit =
744 30 : myCSLFetchNameValue(poDS->papszRDC, rdcVALUE_UNITS);
745 :
746 30 : if (pszValueUnit == nullptr)
747 0 : poDS->pszUnitType = CPLStrdup("unspecified");
748 : else
749 : {
750 30 : if (STARTS_WITH_CI(pszValueUnit, "meter"))
751 : {
752 0 : poDS->pszUnitType = CPLStrdup("m");
753 : }
754 30 : else if (STARTS_WITH_CI(pszValueUnit, "feet"))
755 : {
756 0 : poDS->pszUnitType = CPLStrdup("ft");
757 : }
758 : else
759 30 : poDS->pszUnitType = CPLStrdup(pszValueUnit);
760 : }
761 :
762 : // --------------------------------------------------------------------
763 : // Check for category names.
764 : // --------------------------------------------------------------------
765 :
766 : int nCatCount =
767 30 : atoi_nz(myCSLFetchNameValue(poDS->papszRDC, rdcLEGEND_CATS));
768 :
769 30 : if (nCatCount > 0)
770 : {
771 : // ----------------------------------------------------------------
772 : // Sequentialize categories names, from 0 to the last "code n"
773 : // ----------------------------------------------------------------
774 :
775 0 : int nLine = -1;
776 0 : for (int i = 0; (i < CSLCount(poDS->papszRDC)) && (nLine == -1); i++)
777 0 : if (EQUALN(poDS->papszRDC[i], rdcLEGEND_CATS, 11))
778 0 : nLine = i; // get the line where legend cats is
779 :
780 0 : if (nLine > 0)
781 : {
782 0 : int nCode = 0;
783 0 : int nCount = 0;
784 0 : sscanf(poDS->papszRDC[++nLine], rdcCODE_N,
785 : &nCode); // assign legend cats to nCode
786 0 : for (int i = 0; (i < 255) && (nCount < nCatCount); i++)
787 : {
788 0 : if (i == nCode)
789 : {
790 0 : poDS->papszCategories = CSLAddString(
791 : poDS->papszCategories,
792 0 : CPLParseNameValue(poDS->papszRDC[nLine], nullptr));
793 0 : nCount++;
794 0 : if (nCount < nCatCount)
795 0 : sscanf(poDS->papszRDC[++nLine], rdcCODE_N, &nCode);
796 : }
797 : else
798 0 : poDS->papszCategories =
799 0 : CSLAddString(poDS->papszCategories, "");
800 : }
801 : }
802 : }
803 :
804 : /* -------------------------------------------------------------------- */
805 : /* Automatic Generated Color Table */
806 : /* -------------------------------------------------------------------- */
807 :
808 30 : if (poDS->papszCategories != nullptr &&
809 0 : (poDS->poColorTable->GetColorEntryCount() == 0))
810 : {
811 0 : int nEntryCount = CSLCount(poDS->papszCategories);
812 :
813 : GDALColorEntry sFromColor;
814 0 : sFromColor.c1 = (short)(255);
815 0 : sFromColor.c2 = (short)(0);
816 0 : sFromColor.c3 = (short)(0);
817 0 : sFromColor.c4 = (short)(255);
818 :
819 : GDALColorEntry sToColor;
820 0 : sToColor.c1 = (short)(0);
821 0 : sToColor.c2 = (short)(0);
822 0 : sToColor.c3 = (short)(255);
823 0 : sToColor.c4 = (short)(255);
824 :
825 0 : poDS->poColorTable->CreateColorRamp(0, &sFromColor, (nEntryCount - 1),
826 : &sToColor);
827 : }
828 :
829 : /* -------------------------------------------------------------------- */
830 : /* Initialize any PAM information. */
831 : /* -------------------------------------------------------------------- */
832 :
833 30 : poDS->SetDescription(poOpenInfo->pszFilename);
834 30 : poDS->TryLoadXML();
835 :
836 : /* -------------------------------------------------------------------- */
837 : /* Check for external overviews. */
838 : /* -------------------------------------------------------------------- */
839 :
840 30 : poDS->oOvManager.Initialize(poDS, poOpenInfo->pszFilename);
841 :
842 30 : return poDS;
843 : }
844 :
845 : /************************************************************************/
846 : /* Create() */
847 : /************************************************************************/
848 :
849 50 : GDALDataset *IdrisiDataset::Create(const char *pszFilename, int nXSize,
850 : int nYSize, int nBandsIn, GDALDataType eType,
851 : char ** /* papszOptions */)
852 : {
853 : // --------------------------------------------------------------------
854 : // Check input options
855 : // --------------------------------------------------------------------
856 :
857 50 : if (nBandsIn != 1 && nBandsIn != 3)
858 : {
859 4 : CPLError(CE_Failure, CPLE_AppDefined,
860 : "Attempt to create IDRISI dataset with an illegal number of "
861 : "bands(%d)."
862 : " Try again by selecting a specific band if possible. \n",
863 : nBandsIn);
864 4 : return nullptr;
865 : }
866 :
867 46 : if (nBandsIn == 3 && eType != GDT_Byte)
868 : {
869 13 : CPLError(
870 : CE_Failure, CPLE_AppDefined,
871 : "Attempt to create IDRISI dataset with an unsupported combination "
872 : "of the number of bands(%d) and data type(%s). \n",
873 : nBandsIn, GDALGetDataTypeName(eType));
874 13 : return nullptr;
875 : }
876 :
877 : // ----------------------------------------------------------------
878 : // Create the header file with minimum information
879 : // ----------------------------------------------------------------
880 :
881 33 : const char *pszLDataType = nullptr;
882 :
883 33 : switch (eType)
884 : {
885 17 : case GDT_Byte:
886 17 : if (nBandsIn == 1)
887 14 : pszLDataType = rstBYTE;
888 : else
889 3 : pszLDataType = rstRGB24;
890 17 : break;
891 2 : case GDT_Int16:
892 2 : pszLDataType = rstINTEGER;
893 2 : break;
894 3 : case GDT_Float32:
895 3 : pszLDataType = rstREAL;
896 3 : break;
897 : //--- process compatible data types
898 1 : case (GDT_UInt16):
899 1 : pszLDataType = rstINTEGER;
900 1 : CPLError(CE_Warning, CPLE_AppDefined,
901 : "This process requires a conversion from %s to signed "
902 : "16-bit %s, "
903 : "which may cause data loss.\n",
904 : GDALGetDataTypeName(eType), rstINTEGER);
905 1 : break;
906 1 : case GDT_UInt32:
907 1 : pszLDataType = rstINTEGER;
908 1 : CPLError(CE_Warning, CPLE_AppDefined,
909 : "This process requires a conversion from %s to signed "
910 : "16-bit %s, "
911 : "which may cause data loss.\n",
912 : GDALGetDataTypeName(eType), rstINTEGER);
913 1 : break;
914 1 : case GDT_Int32:
915 1 : pszLDataType = rstINTEGER;
916 1 : CPLError(CE_Warning, CPLE_AppDefined,
917 : "This process requires a conversion from %s to signed "
918 : "16-bit %s, "
919 : "which may cause data loss.\n",
920 : GDALGetDataTypeName(eType), rstINTEGER);
921 1 : break;
922 1 : case GDT_Float64:
923 1 : pszLDataType = rstREAL;
924 1 : CPLError(CE_Warning, CPLE_AppDefined,
925 : "This process requires a conversion from %s to float "
926 : "32-bit %s, "
927 : "which may cause data loss.\n",
928 : GDALGetDataTypeName(eType), rstREAL);
929 1 : break;
930 7 : default:
931 7 : CPLError(CE_Failure, CPLE_AppDefined,
932 : "Attempt to create IDRISI dataset with an illegal "
933 : "data type(%s).\n",
934 : GDALGetDataTypeName(eType));
935 7 : return nullptr;
936 : };
937 :
938 26 : char **papszLRDC = nullptr;
939 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcFILE_FORMAT, rstVERSION);
940 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcFILE_TITLE, "");
941 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcDATA_TYPE, pszLDataType);
942 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcFILE_TYPE, "binary");
943 : papszLRDC =
944 26 : CSLAddNameValue(papszLRDC, rdcCOLUMNS, CPLSPrintf("%d", nXSize));
945 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcROWS, CPLSPrintf("%d", nYSize));
946 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcREF_SYSTEM, "plane");
947 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcREF_UNITS, "m");
948 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcUNIT_DIST, "1");
949 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMIN_X, "0");
950 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMAX_X, CPLSPrintf("%d", nXSize));
951 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMIN_Y, "0");
952 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMAX_Y, CPLSPrintf("%d", nYSize));
953 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcPOSN_ERROR, "unspecified");
954 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcRESOLUTION, "1.0");
955 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMIN_VALUE, "0");
956 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcMAX_VALUE, "0");
957 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcDISPLAY_MIN, "0");
958 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcDISPLAY_MAX, "0");
959 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcVALUE_UNITS, "unspecified");
960 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcVALUE_ERROR, "unspecified");
961 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcFLAG_VALUE, "none");
962 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcFLAG_DEFN, "none");
963 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcLEGEND_CATS, "0");
964 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcLINEAGES, "");
965 26 : papszLRDC = CSLAddNameValue(papszLRDC, rdcCOMMENTS, "");
966 :
967 : const std::string osLDocFilename =
968 52 : CPLResetExtensionSafe(pszFilename, extRDC);
969 :
970 26 : myCSLSetNameValueSeparator(papszLRDC, ": ");
971 26 : SaveAsCRLF(papszLRDC, osLDocFilename.c_str());
972 26 : CSLDestroy(papszLRDC);
973 :
974 : // ----------------------------------------------------------------
975 : // Create an empty data file
976 : // ----------------------------------------------------------------
977 :
978 26 : VSILFILE *fp = VSIFOpenL(pszFilename, "wb+");
979 :
980 26 : if (fp == nullptr)
981 : {
982 2 : CPLError(CE_Failure, CPLE_OpenFailed,
983 : "Attempt to create file %s' failed.\n", pszFilename);
984 2 : return nullptr;
985 : }
986 :
987 36 : const int nTargetDTSize = EQUAL(pszLDataType, rstBYTE) ? 1
988 19 : : EQUAL(pszLDataType, rstINTEGER) ? 2
989 7 : : EQUAL(pszLDataType, rstRGB24) ? 3
990 : : 4;
991 24 : VSIFTruncateL(fp,
992 24 : static_cast<vsi_l_offset>(nXSize) * nYSize * nTargetDTSize);
993 24 : VSIFCloseL(fp);
994 :
995 24 : return (IdrisiDataset *)GDALOpen(pszFilename, GA_Update);
996 : }
997 :
998 : /************************************************************************/
999 : /* CreateCopy() */
1000 : /************************************************************************/
1001 :
1002 29 : GDALDataset *IdrisiDataset::CreateCopy(const char *pszFilename,
1003 : GDALDataset *poSrcDS, int bStrict,
1004 : char **papszOptions,
1005 : GDALProgressFunc pfnProgress,
1006 : void *pProgressData)
1007 : {
1008 29 : if (!pfnProgress(0.0, nullptr, pProgressData))
1009 0 : return nullptr;
1010 :
1011 : // ------------------------------------------------------------------------
1012 : // Check number of bands
1013 : // ------------------------------------------------------------------------
1014 29 : if (!(poSrcDS->GetRasterCount() == 1) && !(poSrcDS->GetRasterCount() == 3))
1015 : {
1016 4 : CPLError(CE_Failure, CPLE_AppDefined,
1017 : "Attempt to create IDRISI dataset with an illegal number of "
1018 : "bands(%d)."
1019 : " Try again by selecting a specific band if possible.\n",
1020 : poSrcDS->GetRasterCount());
1021 4 : return nullptr;
1022 : }
1023 27 : if ((poSrcDS->GetRasterCount() == 3) &&
1024 2 : ((poSrcDS->GetRasterBand(1)->GetRasterDataType() != GDT_Byte) ||
1025 2 : (poSrcDS->GetRasterBand(2)->GetRasterDataType() != GDT_Byte) ||
1026 2 : (poSrcDS->GetRasterBand(3)->GetRasterDataType() != GDT_Byte)))
1027 : {
1028 0 : CPLError(
1029 : CE_Failure, CPLE_AppDefined,
1030 : "Attempt to create IDRISI dataset with an unsupported "
1031 : "data type when there are three bands. Only BYTE allowed.\n"
1032 : "Try again by selecting a specific band to convert if possible.\n");
1033 0 : return nullptr;
1034 : }
1035 :
1036 : // ------------------------------------------------------------------------
1037 : // Check Data types
1038 : // ------------------------------------------------------------------------
1039 :
1040 46 : for (int i = 1; i <= poSrcDS->GetRasterCount(); i++)
1041 : {
1042 29 : GDALDataType eType = poSrcDS->GetRasterBand(i)->GetRasterDataType();
1043 :
1044 29 : if (bStrict)
1045 : {
1046 25 : if (eType != GDT_Byte && eType != GDT_Int16 && eType != GDT_Float32)
1047 : {
1048 8 : CPLError(CE_Failure, CPLE_AppDefined,
1049 : "Attempt to create IDRISI dataset in strict mode "
1050 : "with an illegal data type(%s).\n",
1051 : GDALGetDataTypeName(eType));
1052 8 : return nullptr;
1053 : }
1054 : }
1055 : else
1056 : {
1057 4 : if (eType != GDT_Byte && eType != GDT_Int16 &&
1058 0 : eType != GDT_UInt16 && eType != GDT_UInt32 &&
1059 0 : eType != GDT_Int32 && eType != GDT_Float32 &&
1060 : eType != GDT_Float64)
1061 : {
1062 0 : CPLError(CE_Failure, CPLE_AppDefined,
1063 : "Attempt to create IDRISI dataset with an illegal "
1064 : "data type(%s).\n",
1065 : GDALGetDataTypeName(eType));
1066 0 : return nullptr;
1067 : }
1068 : }
1069 : }
1070 :
1071 : // --------------------------------------------------------------------
1072 : // Define data type
1073 : // --------------------------------------------------------------------
1074 :
1075 17 : GDALRasterBand *poBand = poSrcDS->GetRasterBand(1);
1076 17 : GDALDataType eType = poBand->GetRasterDataType();
1077 :
1078 17 : int bSuccessMin = FALSE;
1079 17 : int bSuccessMax = FALSE;
1080 :
1081 17 : double dfMin = poBand->GetMinimum(&bSuccessMin);
1082 17 : double dfMax = poBand->GetMaximum(&bSuccessMax);
1083 :
1084 17 : if (!(bSuccessMin && bSuccessMax))
1085 : {
1086 6 : poBand->GetStatistics(false, true, &dfMin, &dfMax, nullptr, nullptr);
1087 : }
1088 :
1089 17 : if (!((eType == GDT_Byte) || (eType == GDT_Int16) ||
1090 : (eType == GDT_Float32)))
1091 : {
1092 0 : if (eType == GDT_Float64)
1093 : {
1094 0 : eType = GDT_Float32;
1095 : }
1096 : else
1097 : {
1098 0 : if ((dfMin < (double)SHRT_MIN) || (dfMax > (double)SHRT_MAX))
1099 : {
1100 0 : eType = GDT_Float32;
1101 : }
1102 : else
1103 : {
1104 0 : eType = GDT_Int16;
1105 : }
1106 : }
1107 : }
1108 :
1109 : // --------------------------------------------------------------------
1110 : // Create the dataset
1111 : // --------------------------------------------------------------------
1112 :
1113 17 : IdrisiDataset *poDS = cpl::down_cast<IdrisiDataset *>(IdrisiDataset::Create(
1114 : pszFilename, poSrcDS->GetRasterXSize(), poSrcDS->GetRasterYSize(),
1115 : poSrcDS->GetRasterCount(), eType, papszOptions));
1116 :
1117 17 : if (poDS == nullptr)
1118 12 : return nullptr;
1119 :
1120 : // --------------------------------------------------------------------
1121 : // Copy information to the dataset
1122 : // --------------------------------------------------------------------
1123 :
1124 5 : GDALGeoTransform gt;
1125 5 : if (poSrcDS->GetGeoTransform(gt) == CE_None)
1126 : {
1127 5 : poDS->SetGeoTransform(gt);
1128 : }
1129 :
1130 5 : if (!EQUAL(poSrcDS->GetProjectionRef(), ""))
1131 : {
1132 5 : poDS->SetProjection(poSrcDS->GetProjectionRef());
1133 : }
1134 :
1135 : // --------------------------------------------------------------------
1136 : // Copy information to the raster band(s)
1137 : // --------------------------------------------------------------------
1138 :
1139 14 : for (int i = 1; i <= poDS->nBands; i++)
1140 : {
1141 9 : GDALRasterBand *poSrcBand = poSrcDS->GetRasterBand(i);
1142 : IdrisiRasterBand *poDstBand =
1143 9 : cpl::down_cast<IdrisiRasterBand *>(poDS->GetRasterBand(i));
1144 :
1145 9 : if (poDS->nBands == 1)
1146 : {
1147 3 : poDstBand->SetUnitType(poSrcBand->GetUnitType());
1148 3 : poDstBand->SetColorTable(poSrcBand->GetColorTable());
1149 3 : poDstBand->SetCategoryNames(poSrcBand->GetCategoryNames());
1150 :
1151 3 : const GDALRasterAttributeTable *poRAT = poSrcBand->GetDefaultRAT();
1152 :
1153 3 : if (poRAT != nullptr)
1154 : {
1155 0 : poDstBand->SetDefaultRAT(poRAT);
1156 : }
1157 : }
1158 :
1159 9 : dfMin = poSrcBand->GetMinimum(nullptr);
1160 9 : dfMax = poSrcBand->GetMaximum(nullptr);
1161 9 : poDstBand->SetMinMax(dfMin, dfMax);
1162 : int bHasNoDataValue;
1163 9 : double dfNoDataValue = poSrcBand->GetNoDataValue(&bHasNoDataValue);
1164 9 : if (bHasNoDataValue)
1165 0 : poDstBand->SetNoDataValue(dfNoDataValue);
1166 : }
1167 :
1168 : // --------------------------------------------------------------------
1169 : // Copy image data
1170 : // --------------------------------------------------------------------
1171 :
1172 5 : if (GDALDatasetCopyWholeRaster((GDALDatasetH)poSrcDS, (GDALDatasetH)poDS,
1173 : nullptr, pfnProgress,
1174 5 : pProgressData) != CE_None)
1175 : {
1176 0 : delete poDS;
1177 0 : return nullptr;
1178 : }
1179 :
1180 : // --------------------------------------------------------------------
1181 : // Finalize
1182 : // --------------------------------------------------------------------
1183 :
1184 5 : poDS->FlushCache(false);
1185 :
1186 5 : return poDS;
1187 : }
1188 :
1189 : /************************************************************************/
1190 : /* GetFileList() */
1191 : /************************************************************************/
1192 :
1193 4 : char **IdrisiDataset::GetFileList()
1194 : {
1195 4 : char **papszFileList = GDALPamDataset::GetFileList();
1196 :
1197 : // --------------------------------------------------------------------
1198 : // Symbol table file
1199 : // --------------------------------------------------------------------
1200 :
1201 4 : std::string osAssociated = CPLResetExtensionSafe(pszFilename, extSMP);
1202 :
1203 4 : if (FileExists(osAssociated.c_str()))
1204 : {
1205 0 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1206 : }
1207 : else
1208 : {
1209 4 : osAssociated = CPLResetExtensionSafe(pszFilename, extSMPu);
1210 :
1211 4 : if (FileExists(osAssociated.c_str()))
1212 : {
1213 0 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1214 : }
1215 : }
1216 :
1217 : // --------------------------------------------------------------------
1218 : // Documentation file
1219 : // --------------------------------------------------------------------
1220 :
1221 4 : osAssociated = CPLResetExtensionSafe(pszFilename, extRDC);
1222 :
1223 4 : if (FileExists(osAssociated.c_str()))
1224 : {
1225 4 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1226 : }
1227 : else
1228 : {
1229 0 : osAssociated = CPLResetExtensionSafe(pszFilename, extRDCu);
1230 :
1231 0 : if (FileExists(osAssociated.c_str()))
1232 : {
1233 0 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1234 : }
1235 : }
1236 :
1237 : // --------------------------------------------------------------------
1238 : // Reference file
1239 : // --------------------------------------------------------------------
1240 :
1241 4 : osAssociated = CPLResetExtensionSafe(pszFilename, extREF);
1242 :
1243 4 : if (FileExists(osAssociated.c_str()))
1244 : {
1245 0 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1246 : }
1247 : else
1248 : {
1249 4 : osAssociated = CPLResetExtensionSafe(pszFilename, extREFu);
1250 :
1251 4 : if (FileExists(osAssociated.c_str()))
1252 : {
1253 0 : papszFileList = CSLAddString(papszFileList, osAssociated.c_str());
1254 : }
1255 : }
1256 :
1257 8 : return papszFileList;
1258 : }
1259 :
1260 : /************************************************************************/
1261 : /* GetGeoTransform() */
1262 : /************************************************************************/
1263 :
1264 9 : CPLErr IdrisiDataset::GetGeoTransform(GDALGeoTransform >) const
1265 : {
1266 9 : if (GDALPamDataset::GetGeoTransform(gt) != CE_None)
1267 : {
1268 9 : gt = m_gt;
1269 : }
1270 :
1271 9 : return CE_None;
1272 : }
1273 :
1274 : /************************************************************************/
1275 : /* SetGeoTransform() */
1276 : /************************************************************************/
1277 :
1278 13 : CPLErr IdrisiDataset::SetGeoTransform(const GDALGeoTransform >)
1279 : {
1280 13 : if (gt[2] != 0.0 || gt[4] != 0.0)
1281 : {
1282 0 : CPLError(CE_Failure, CPLE_AppDefined,
1283 : "Attempt to set rotated geotransform on Idrisi Raster file.\n"
1284 : "Idrisi Raster does not support rotation.\n");
1285 0 : return CE_Failure;
1286 : }
1287 :
1288 : // --------------------------------------------------------------------
1289 : // Update the .rdc file
1290 : // --------------------------------------------------------------------
1291 :
1292 13 : double dfXPixSz = gt[1];
1293 13 : double dfYPixSz = gt[5];
1294 13 : double dfMinX = gt[0];
1295 13 : double dfMaxX = (dfXPixSz * nRasterXSize) + dfMinX;
1296 :
1297 : double dfMinY, dfMaxY;
1298 13 : if (dfYPixSz < 0)
1299 : {
1300 13 : dfMaxY = gt[3];
1301 13 : dfMinY = (dfYPixSz * nRasterYSize) + gt[3];
1302 : }
1303 : else
1304 : {
1305 0 : dfMaxY = (dfYPixSz * nRasterYSize) + gt[3];
1306 0 : dfMinY = gt[3];
1307 : }
1308 :
1309 13 : papszRDC = CSLSetNameValue(papszRDC, rdcMIN_X, CPLSPrintf("%.7f", dfMinX));
1310 13 : papszRDC = CSLSetNameValue(papszRDC, rdcMAX_X, CPLSPrintf("%.7f", dfMaxX));
1311 13 : papszRDC = CSLSetNameValue(papszRDC, rdcMIN_Y, CPLSPrintf("%.7f", dfMinY));
1312 13 : papszRDC = CSLSetNameValue(papszRDC, rdcMAX_Y, CPLSPrintf("%.7f", dfMaxY));
1313 13 : papszRDC = CSLSetNameValue(papszRDC, rdcRESOLUTION,
1314 : CPLSPrintf("%.7f", fabs(dfYPixSz)));
1315 :
1316 : // --------------------------------------------------------------------
1317 : // Update the Dataset attribute
1318 : // --------------------------------------------------------------------
1319 :
1320 13 : m_gt = gt;
1321 :
1322 13 : return CE_None;
1323 : }
1324 :
1325 : /************************************************************************/
1326 : /* GetSpatialRef() */
1327 : /************************************************************************/
1328 :
1329 1 : const OGRSpatialReference *IdrisiDataset::GetSpatialRef() const
1330 : {
1331 1 : const auto poSRS = GDALPamDataset::GetSpatialRef();
1332 1 : if (poSRS)
1333 0 : return poSRS;
1334 :
1335 1 : if (m_oSRS.IsEmpty())
1336 : {
1337 1 : const char *pszRefSystem = myCSLFetchNameValue(papszRDC, rdcREF_SYSTEM);
1338 1 : const char *pszRefUnit = myCSLFetchNameValue(papszRDC, rdcREF_UNITS);
1339 1 : if (pszRefSystem != nullptr && pszRefUnit != nullptr)
1340 1 : IdrisiGeoReference2Wkt(pszFilename, pszRefSystem, pszRefUnit,
1341 1 : m_oSRS);
1342 : }
1343 1 : return m_oSRS.IsEmpty() ? nullptr : &m_oSRS;
1344 : }
1345 :
1346 : /************************************************************************/
1347 : /* SetProjection() */
1348 : /************************************************************************/
1349 :
1350 13 : CPLErr IdrisiDataset::SetSpatialRef(const OGRSpatialReference *poSRS)
1351 : {
1352 13 : m_oSRS.Clear();
1353 13 : if (poSRS)
1354 13 : m_oSRS = *poSRS;
1355 :
1356 13 : char *pszRefSystem = nullptr;
1357 13 : char *pszRefUnit = nullptr;
1358 :
1359 13 : CPLErr eResult = Wkt2GeoReference(m_oSRS, &pszRefSystem, &pszRefUnit);
1360 :
1361 13 : papszRDC = CSLSetNameValue(papszRDC, rdcREF_SYSTEM, pszRefSystem);
1362 13 : papszRDC = CSLSetNameValue(papszRDC, rdcREF_UNITS, pszRefUnit);
1363 :
1364 13 : CPLFree(pszRefSystem);
1365 13 : CPLFree(pszRefUnit);
1366 :
1367 13 : return eResult;
1368 : }
1369 :
1370 : /************************************************************************/
1371 : /* IdrisiRasterBand() */
1372 : /************************************************************************/
1373 :
1374 42 : IdrisiRasterBand::IdrisiRasterBand(IdrisiDataset *poDSIn, int nBandIn,
1375 42 : GDALDataType eDataTypeIn)
1376 : : poDefaultRAT(nullptr),
1377 126 : nRecordSize(poDSIn->GetRasterXSize() * poDSIn->nBands *
1378 42 : GDALGetDataTypeSizeBytes(eDataTypeIn)),
1379 42 : pabyScanLine(static_cast<GByte *>(VSI_MALLOC3_VERBOSE(
1380 : poDSIn->GetRasterXSize(), GDALGetDataTypeSizeBytes(eDataTypeIn),
1381 : poDSIn->nBands))),
1382 84 : fMaximum(0.0), fMinimum(0.0), bFirstVal(true)
1383 : {
1384 42 : poDS = poDSIn;
1385 42 : nBand = nBandIn;
1386 42 : eDataType = eDataTypeIn;
1387 42 : nBlockYSize = 1;
1388 42 : nBlockXSize = poDS->GetRasterXSize();
1389 42 : }
1390 :
1391 : /************************************************************************/
1392 : /* ~IdrisiRasterBand() */
1393 : /************************************************************************/
1394 :
1395 84 : IdrisiRasterBand::~IdrisiRasterBand()
1396 : {
1397 42 : CPLFree(pabyScanLine);
1398 :
1399 42 : if (poDefaultRAT)
1400 : {
1401 0 : delete poDefaultRAT;
1402 : }
1403 84 : }
1404 :
1405 : /************************************************************************/
1406 : /* IReadBlock() */
1407 : /************************************************************************/
1408 :
1409 1392 : CPLErr IdrisiRasterBand::IReadBlock(int nBlockXOff, int nBlockYOff,
1410 : void *pImage)
1411 : {
1412 1392 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1413 :
1414 1392 : if (VSIFSeekL(poGDS->fp, vsi_l_offset(nRecordSize) * nBlockYOff, SEEK_SET) <
1415 : 0)
1416 : {
1417 0 : CPLError(CE_Failure, CPLE_FileIO,
1418 : "Can't seek(%s) block with X offset %d and Y offset %d.\n%s",
1419 : poGDS->pszFilename, nBlockXOff, nBlockYOff,
1420 0 : VSIStrerror(errno));
1421 0 : return CE_Failure;
1422 : }
1423 :
1424 1392 : if ((int)VSIFReadL(pabyScanLine, 1, nRecordSize, poGDS->fp) < nRecordSize)
1425 : {
1426 0 : CPLError(CE_Failure, CPLE_FileIO,
1427 : "Can't read(%s) block with X offset %d and Y offset %d.\n%s",
1428 : poGDS->pszFilename, nBlockXOff, nBlockYOff,
1429 0 : VSIStrerror(errno));
1430 0 : return CE_Failure;
1431 : }
1432 :
1433 1392 : if (poGDS->nBands == 3)
1434 : {
1435 43380 : for (int i = 0, j = (3 - nBand); i < nBlockXSize; i++, j += 3)
1436 : {
1437 42800 : ((GByte *)pImage)[i] = pabyScanLine[j];
1438 : }
1439 : }
1440 : else
1441 : {
1442 812 : memcpy(pImage, pabyScanLine, nRecordSize);
1443 : }
1444 :
1445 : #ifdef CPL_MSB
1446 : if (eDataType == GDT_Float32)
1447 : GDALSwapWords(pImage, 4, nBlockXSize * nBlockYSize, 4);
1448 : #endif
1449 :
1450 1392 : return CE_None;
1451 : }
1452 :
1453 : /************************************************************************/
1454 : /* IWriteBlock() */
1455 : /************************************************************************/
1456 :
1457 230 : CPLErr IdrisiRasterBand::IWriteBlock(int nBlockXOff, int nBlockYOff,
1458 : void *pImage)
1459 : {
1460 230 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1461 :
1462 : #ifdef CPL_MSB
1463 : // Swap in input buffer if needed.
1464 : if (eDataType == GDT_Float32)
1465 : GDALSwapWords(pImage, 4, nBlockXSize * nBlockYSize, 4);
1466 : #endif
1467 :
1468 230 : if (poGDS->nBands == 1)
1469 : {
1470 50 : memcpy(pabyScanLine, pImage, nRecordSize);
1471 : }
1472 : else
1473 : {
1474 180 : if (nBand > 1)
1475 : {
1476 120 : VSIFSeekL(poGDS->fp, vsi_l_offset(nRecordSize) * nBlockYOff,
1477 : SEEK_SET);
1478 120 : VSIFReadL(pabyScanLine, 1, nRecordSize, poGDS->fp);
1479 : }
1480 : int i, j;
1481 7980 : for (i = 0, j = (3 - nBand); i < nBlockXSize; i++, j += 3)
1482 : {
1483 7800 : pabyScanLine[j] = ((GByte *)pImage)[i];
1484 : }
1485 : }
1486 :
1487 : #ifdef CPL_MSB
1488 : // Swap input buffer back to original form.
1489 : if (eDataType == GDT_Float32)
1490 : GDALSwapWords(pImage, 4, nBlockXSize * nBlockYSize, 4);
1491 : #endif
1492 :
1493 230 : VSIFSeekL(poGDS->fp, vsi_l_offset(nRecordSize) * nBlockYOff, SEEK_SET);
1494 :
1495 230 : if ((int)VSIFWriteL(pabyScanLine, 1, nRecordSize, poGDS->fp) < nRecordSize)
1496 : {
1497 0 : CPLError(CE_Failure, CPLE_FileIO,
1498 : "Can't write(%s) block with X offset %d and Y offset %d.\n%s",
1499 : poGDS->pszFilename, nBlockXOff, nBlockYOff,
1500 0 : VSIStrerror(errno));
1501 0 : return CE_Failure;
1502 : }
1503 :
1504 230 : int bHasNoDataValue = FALSE;
1505 230 : float fNoDataValue = (float)GetNoDataValue(&bHasNoDataValue);
1506 :
1507 : // --------------------------------------------------------------------
1508 : // Search for the minimum and maximum values
1509 : // --------------------------------------------------------------------
1510 :
1511 230 : if (eDataType == GDT_Float32)
1512 : {
1513 530 : for (int i = 0; i < nBlockXSize; i++)
1514 : {
1515 500 : float fVal =
1516 500 : reinterpret_cast<float *>(pabyScanLine)[i]; // this is fine
1517 500 : if (!bHasNoDataValue || fVal != fNoDataValue)
1518 : {
1519 500 : if (bFirstVal)
1520 : {
1521 2 : fMinimum = fVal;
1522 2 : fMaximum = fVal;
1523 2 : bFirstVal = false;
1524 : }
1525 : else
1526 : {
1527 498 : if (fVal < fMinimum)
1528 3 : fMinimum = fVal;
1529 498 : if (fVal > fMaximum)
1530 9 : fMaximum = fVal;
1531 : }
1532 : }
1533 : }
1534 : }
1535 200 : else if (eDataType == GDT_Int16)
1536 : {
1537 110 : for (int i = 0; i < nBlockXSize; i++)
1538 : {
1539 100 : float fVal = (float)(reinterpret_cast<GInt16 *>(pabyScanLine))[i];
1540 100 : if (!bHasNoDataValue || fVal != fNoDataValue)
1541 : {
1542 100 : if (bFirstVal)
1543 : {
1544 1 : fMinimum = fVal;
1545 1 : fMaximum = fVal;
1546 1 : bFirstVal = false;
1547 : }
1548 : else
1549 : {
1550 99 : if (fVal < fMinimum)
1551 0 : fMinimum = fVal;
1552 99 : if (fVal > fMaximum)
1553 0 : fMaximum = fVal;
1554 : }
1555 : }
1556 : }
1557 : }
1558 190 : else if (poGDS->nBands == 1)
1559 : {
1560 110 : for (int i = 0; i < nBlockXSize; i++)
1561 : {
1562 100 : float fVal = (float)((GByte *)pabyScanLine)[i];
1563 100 : if (!bHasNoDataValue || fVal != fNoDataValue)
1564 : {
1565 100 : if (bFirstVal)
1566 : {
1567 1 : fMinimum = fVal;
1568 1 : fMaximum = fVal;
1569 1 : bFirstVal = false;
1570 : }
1571 : else
1572 : {
1573 99 : if (fVal < fMinimum)
1574 0 : fMinimum =
1575 : fVal; // I don't change this part, keep it as it is
1576 99 : if (fVal > fMaximum)
1577 0 : fMaximum = fVal;
1578 : }
1579 : }
1580 : }
1581 : }
1582 : else
1583 : {
1584 7980 : for (int i = 0, j = (3 - nBand); i < nBlockXSize; i++, j += 3)
1585 : {
1586 7800 : float fVal = (float)((GByte *)pabyScanLine)[j];
1587 7800 : if (!bHasNoDataValue || fVal != fNoDataValue)
1588 : {
1589 7800 : if (bFirstVal)
1590 : {
1591 6 : fMinimum = fVal;
1592 6 : fMaximum = fVal;
1593 6 : bFirstVal = false;
1594 : }
1595 : else
1596 : {
1597 7794 : if (fVal < fMinimum)
1598 0 : fMinimum = fVal;
1599 7794 : if (fVal > fMaximum)
1600 28 : fMaximum = fVal;
1601 : }
1602 : }
1603 : }
1604 : }
1605 :
1606 230 : return CE_None;
1607 : }
1608 :
1609 : /************************************************************************/
1610 : /* GetMinimum() */
1611 : /************************************************************************/
1612 :
1613 0 : double IdrisiRasterBand::GetMinimum(int *pbSuccess)
1614 : {
1615 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1616 :
1617 0 : if (myCSLFetchNameValue(poGDS->papszRDC, rdcMIN_VALUE) == nullptr)
1618 0 : return GDALPamRasterBand::GetMinimum(pbSuccess);
1619 :
1620 : double adfMinValue[3];
1621 0 : CPLsscanf(myCSLFetchNameValue(poGDS->papszRDC, rdcMIN_VALUE), "%lf %lf %lf",
1622 : &adfMinValue[0], &adfMinValue[1], &adfMinValue[2]);
1623 :
1624 0 : if (pbSuccess)
1625 : {
1626 0 : *pbSuccess = true;
1627 : }
1628 :
1629 0 : return adfMinValue[this->nBand - 1];
1630 : }
1631 :
1632 : /************************************************************************/
1633 : /* GetMaximum() */
1634 : /************************************************************************/
1635 :
1636 0 : double IdrisiRasterBand::GetMaximum(int *pbSuccess)
1637 : {
1638 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1639 :
1640 0 : if (myCSLFetchNameValue(poGDS->papszRDC, rdcMAX_VALUE) == nullptr)
1641 0 : return GDALPamRasterBand::GetMaximum(pbSuccess);
1642 :
1643 : double adfMaxValue[3];
1644 0 : CPLsscanf(myCSLFetchNameValue(poGDS->papszRDC, rdcMAX_VALUE), "%lf %lf %lf",
1645 : &adfMaxValue[0], &adfMaxValue[1], &adfMaxValue[2]);
1646 :
1647 0 : if (pbSuccess)
1648 : {
1649 0 : *pbSuccess = true;
1650 : }
1651 :
1652 0 : return adfMaxValue[this->nBand - 1];
1653 : }
1654 :
1655 : /************************************************************************/
1656 : /* GetNoDataValue() */
1657 : /************************************************************************/
1658 :
1659 276 : double IdrisiRasterBand::GetNoDataValue(int *pbSuccess)
1660 : {
1661 276 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1662 :
1663 276 : const char *pszFlagDefn = nullptr;
1664 :
1665 276 : if (myCSLFetchNameValue(poGDS->papszRDC, rdcFLAG_DEFN) != nullptr)
1666 276 : pszFlagDefn = myCSLFetchNameValue(poGDS->papszRDC, rdcFLAG_DEFN);
1667 0 : else if (myCSLFetchNameValue(poGDS->papszRDC, rdcFLAG_DEFN2) != nullptr)
1668 0 : pszFlagDefn = myCSLFetchNameValue(poGDS->papszRDC, rdcFLAG_DEFN2);
1669 :
1670 : // ------------------------------------------------------------------------
1671 : // If Flag_Def is not "none", Flag_Value means "background"
1672 : // or "missing data"
1673 : // ------------------------------------------------------------------------
1674 :
1675 : double dfNoData;
1676 276 : if (pszFlagDefn != nullptr && !EQUAL(pszFlagDefn, "none"))
1677 : {
1678 0 : dfNoData =
1679 0 : CPLAtof_nz(myCSLFetchNameValue(poGDS->papszRDC, rdcFLAG_VALUE));
1680 0 : if (pbSuccess)
1681 0 : *pbSuccess = TRUE;
1682 : }
1683 : else
1684 : {
1685 276 : dfNoData = -9999.0; /* this value should be ignored */
1686 276 : if (pbSuccess)
1687 276 : *pbSuccess = FALSE;
1688 : }
1689 :
1690 276 : return dfNoData;
1691 : }
1692 :
1693 : /************************************************************************/
1694 : /* SetNoDataValue() */
1695 : /************************************************************************/
1696 :
1697 0 : CPLErr IdrisiRasterBand::SetNoDataValue(double dfNoDataValue)
1698 : {
1699 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1700 :
1701 0 : poGDS->papszRDC = CSLSetNameValue(poGDS->papszRDC, rdcFLAG_VALUE,
1702 : CPLSPrintf("%.7g", dfNoDataValue));
1703 0 : poGDS->papszRDC =
1704 0 : CSLSetNameValue(poGDS->papszRDC, rdcFLAG_DEFN, "missing data");
1705 :
1706 0 : return CE_None;
1707 : }
1708 :
1709 : /************************************************************************/
1710 : /* GetColorInterpretation() */
1711 : /************************************************************************/
1712 :
1713 0 : GDALColorInterp IdrisiRasterBand::GetColorInterpretation()
1714 : {
1715 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1716 :
1717 0 : if (poGDS->nBands == 3)
1718 : {
1719 0 : switch (nBand)
1720 : {
1721 0 : case 1:
1722 0 : return GCI_BlueBand;
1723 0 : case 2:
1724 0 : return GCI_GreenBand;
1725 0 : case 3:
1726 0 : return GCI_RedBand;
1727 : }
1728 : }
1729 0 : else if (poGDS->poColorTable->GetColorEntryCount() > 0)
1730 : {
1731 0 : return GCI_PaletteIndex;
1732 : }
1733 0 : return GCI_GrayIndex;
1734 : }
1735 :
1736 : /************************************************************************/
1737 : /* GetCategoryNames() */
1738 : /************************************************************************/
1739 :
1740 0 : char **IdrisiRasterBand::GetCategoryNames()
1741 : {
1742 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1743 :
1744 0 : return poGDS->papszCategories;
1745 : }
1746 :
1747 : /************************************************************************/
1748 : /* SetCategoryNames() */
1749 : /************************************************************************/
1750 :
1751 3 : CPLErr IdrisiRasterBand::SetCategoryNames(char **papszCategoryNames)
1752 : {
1753 3 : const int nCatCount = CSLCount(papszCategoryNames);
1754 :
1755 3 : if (nCatCount == 0)
1756 3 : return CE_None;
1757 :
1758 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1759 :
1760 0 : CSLDestroy(poGDS->papszCategories);
1761 0 : poGDS->papszCategories = CSLDuplicate(papszCategoryNames);
1762 :
1763 : // ------------------------------------------------------
1764 : // Search for the "Legend cats : N" line
1765 : // ------------------------------------------------------
1766 :
1767 0 : int nLine = -1;
1768 0 : for (int i = 0; (i < CSLCount(poGDS->papszRDC)) && (nLine == -1); i++)
1769 0 : if (EQUALN(poGDS->papszRDC[i], rdcLEGEND_CATS, 12))
1770 0 : nLine = i;
1771 :
1772 0 : if (nLine < 0)
1773 0 : return CE_None;
1774 :
1775 0 : int nCount = atoi_nz(myCSLFetchNameValue(poGDS->papszRDC, rdcLEGEND_CATS));
1776 :
1777 : // ------------------------------------------------------
1778 : // Delete old instance of the category names
1779 : // ------------------------------------------------------
1780 :
1781 0 : if (nCount > 0)
1782 0 : poGDS->papszRDC =
1783 0 : CSLRemoveStrings(poGDS->papszRDC, nLine + 1, nCount, nullptr);
1784 :
1785 0 : nCount = 0;
1786 :
1787 0 : for (int i = 0; i < nCatCount; i++)
1788 : {
1789 0 : if ((strlen(papszCategoryNames[i]) > 0))
1790 : {
1791 0 : poGDS->papszRDC =
1792 0 : CSLInsertString(poGDS->papszRDC, (nLine + nCount + 1),
1793 : CPLSPrintf("%s:%s", CPLSPrintf(rdcCODE_N, i),
1794 0 : papszCategoryNames[i]));
1795 0 : nCount++;
1796 : }
1797 : }
1798 :
1799 0 : poGDS->papszRDC =
1800 0 : CSLSetNameValue(poGDS->papszRDC, rdcLEGEND_CATS,
1801 : CPLSPrintf("%d", nCount)); // this is fine
1802 :
1803 0 : return CE_None;
1804 : }
1805 :
1806 : /************************************************************************/
1807 : /* GetColorTable() */
1808 : /************************************************************************/
1809 :
1810 0 : GDALColorTable *IdrisiRasterBand::GetColorTable()
1811 : {
1812 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1813 :
1814 0 : if (poGDS->poColorTable->GetColorEntryCount() == 0)
1815 : {
1816 0 : return nullptr;
1817 : }
1818 :
1819 0 : return poGDS->poColorTable;
1820 : }
1821 :
1822 : /************************************************************************/
1823 : /* SetColorTable() */
1824 : /************************************************************************/
1825 :
1826 3 : CPLErr IdrisiRasterBand::SetColorTable(GDALColorTable *poColorTable)
1827 : {
1828 3 : if (poColorTable == nullptr)
1829 : {
1830 3 : return CE_None;
1831 : }
1832 :
1833 0 : if (poColorTable->GetColorEntryCount() == 0)
1834 : {
1835 0 : return CE_None;
1836 : }
1837 :
1838 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1839 :
1840 0 : delete poGDS->poColorTable;
1841 :
1842 0 : poGDS->poColorTable = poColorTable->Clone();
1843 :
1844 : const std::string osSMPFilename =
1845 0 : CPLResetExtensionSafe(poGDS->pszFilename, extSMP);
1846 0 : VSILFILE *fpSMP = VSIFOpenL(osSMPFilename.c_str(), "w");
1847 :
1848 0 : if (fpSMP != nullptr)
1849 : {
1850 0 : VSIFWriteL("[Idrisi]", 8, 1, fpSMP);
1851 0 : GByte nPlatform = 1;
1852 0 : VSIFWriteL(&nPlatform, 1, 1, fpSMP);
1853 0 : GByte nVersion = 11;
1854 0 : VSIFWriteL(&nVersion, 1, 1, fpSMP);
1855 0 : GByte nDepth = 8;
1856 0 : VSIFWriteL(&nDepth, 1, 1, fpSMP);
1857 0 : GByte nHeadSz = 18;
1858 0 : VSIFWriteL(&nHeadSz, 1, 1, fpSMP);
1859 0 : GUInt16 nCount = 255;
1860 0 : VSIFWriteL(&nCount, 2, 1, fpSMP);
1861 0 : GUInt16 nMix = 0;
1862 0 : VSIFWriteL(&nMix, 2, 1, fpSMP);
1863 0 : GUInt16 nMax = 255;
1864 0 : VSIFWriteL(&nMax, 2, 1, fpSMP);
1865 :
1866 : GDALColorEntry oEntry;
1867 : GByte aucRGB[3];
1868 :
1869 0 : for (int i = 0; i < poColorTable->GetColorEntryCount(); i++)
1870 : {
1871 0 : poColorTable->GetColorEntryAsRGB(i, &oEntry);
1872 0 : aucRGB[0] = (GByte)oEntry.c1;
1873 0 : aucRGB[1] = (GByte)oEntry.c2;
1874 0 : aucRGB[2] = (GByte)oEntry.c3;
1875 0 : VSIFWriteL(&aucRGB, 3, 1, fpSMP);
1876 : }
1877 : /* smp files always have 256 occurrences. */
1878 0 : for (int i = poColorTable->GetColorEntryCount(); i <= 255; i++)
1879 : {
1880 0 : poColorTable->GetColorEntryAsRGB(i, &oEntry);
1881 0 : aucRGB[0] = (GByte)0;
1882 0 : aucRGB[1] = (GByte)0;
1883 0 : aucRGB[2] = (GByte)0;
1884 0 : VSIFWriteL(&aucRGB, 3, 1, fpSMP);
1885 : }
1886 0 : VSIFCloseL(fpSMP);
1887 : }
1888 :
1889 0 : return CE_None;
1890 : }
1891 :
1892 : /************************************************************************/
1893 : /* GetUnitType() */
1894 : /************************************************************************/
1895 :
1896 0 : const char *IdrisiRasterBand::GetUnitType()
1897 : {
1898 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1899 :
1900 0 : return poGDS->pszUnitType;
1901 : }
1902 :
1903 : /************************************************************************/
1904 : /* SetUnitType() */
1905 : /************************************************************************/
1906 :
1907 3 : CPLErr IdrisiRasterBand::SetUnitType(const char *pszUnitType)
1908 : {
1909 3 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1910 :
1911 3 : if (strlen(pszUnitType) == 0)
1912 : {
1913 3 : poGDS->papszRDC =
1914 3 : CSLSetNameValue(poGDS->papszRDC, rdcVALUE_UNITS, "unspecified");
1915 : }
1916 : else
1917 : {
1918 0 : poGDS->papszRDC =
1919 0 : CSLSetNameValue(poGDS->papszRDC, rdcVALUE_UNITS, pszUnitType);
1920 : }
1921 :
1922 3 : return CE_None;
1923 : }
1924 :
1925 : /************************************************************************/
1926 : /* SetMinMax() */
1927 : /************************************************************************/
1928 :
1929 49 : CPLErr IdrisiRasterBand::SetMinMax(double dfMin, double dfMax)
1930 : {
1931 49 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
1932 :
1933 49 : fMinimum = (float)dfMin;
1934 49 : fMaximum = (float)dfMax;
1935 :
1936 49 : double adfMin[3] = {0.0, 0.0, 0.0};
1937 49 : double adfMax[3] = {0.0, 0.0, 0.0};
1938 :
1939 49 : if (myCSLFetchNameValue(poGDS->papszRDC, rdcMIN_VALUE) != nullptr)
1940 49 : CPLsscanf(myCSLFetchNameValue(poGDS->papszRDC, rdcMIN_VALUE),
1941 : "%lf %lf %lf", &adfMin[0], &adfMin[1], &adfMin[2]);
1942 49 : if (myCSLFetchNameValue(poGDS->papszRDC, rdcMAX_VALUE) != nullptr)
1943 49 : CPLsscanf(myCSLFetchNameValue(poGDS->papszRDC, rdcMAX_VALUE),
1944 : "%lf %lf %lf", &adfMax[0], &adfMax[1], &adfMax[2]);
1945 :
1946 49 : adfMin[nBand - 1] = dfMin;
1947 49 : adfMax[nBand - 1] = dfMax;
1948 :
1949 49 : if (poGDS->nBands == 3)
1950 : {
1951 24 : poGDS->papszRDC = CSLSetNameValue(
1952 : poGDS->papszRDC, rdcMIN_VALUE,
1953 : CPLSPrintf("%.8g %.8g %.8g", adfMin[0], adfMin[1], adfMin[2]));
1954 24 : poGDS->papszRDC = CSLSetNameValue(
1955 : poGDS->papszRDC, rdcMAX_VALUE,
1956 : CPLSPrintf("%.8g %.8g %.8g", adfMax[0], adfMax[1], adfMax[2]));
1957 24 : poGDS->papszRDC = CSLSetNameValue(
1958 : poGDS->papszRDC, rdcDISPLAY_MIN,
1959 : CPLSPrintf("%.8g %.8g %.8g", adfMin[0], adfMin[1], adfMin[2]));
1960 24 : poGDS->papszRDC = CSLSetNameValue(
1961 : poGDS->papszRDC, rdcDISPLAY_MAX,
1962 : CPLSPrintf("%.8g %.8g %.8g", adfMax[0], adfMax[1], adfMax[2]));
1963 : }
1964 : else
1965 : {
1966 25 : poGDS->papszRDC = CSLSetNameValue(poGDS->papszRDC, rdcMIN_VALUE,
1967 : CPLSPrintf("%.8g", adfMin[0]));
1968 25 : poGDS->papszRDC = CSLSetNameValue(poGDS->papszRDC, rdcMAX_VALUE,
1969 : CPLSPrintf("%.8g", adfMax[0]));
1970 25 : poGDS->papszRDC = CSLSetNameValue(poGDS->papszRDC, rdcDISPLAY_MIN,
1971 : CPLSPrintf("%.8g", adfMin[0]));
1972 25 : poGDS->papszRDC = CSLSetNameValue(poGDS->papszRDC, rdcDISPLAY_MAX,
1973 : CPLSPrintf("%.8g", adfMax[0]));
1974 : }
1975 :
1976 49 : return CE_None;
1977 : }
1978 :
1979 : /************************************************************************/
1980 : /* SetStatistics() */
1981 : /************************************************************************/
1982 :
1983 20 : CPLErr IdrisiRasterBand::SetStatistics(double dfMin, double dfMax,
1984 : double dfMean, double dfStdDev)
1985 : {
1986 20 : SetMinMax(dfMin, dfMax);
1987 :
1988 20 : return GDALPamRasterBand::SetStatistics(dfMin, dfMax, dfMean, dfStdDev);
1989 : }
1990 :
1991 : /************************************************************************/
1992 : /* SetDefaultRAT() */
1993 : /************************************************************************/
1994 :
1995 0 : CPLErr IdrisiRasterBand::SetDefaultRAT(const GDALRasterAttributeTable *poRAT)
1996 : {
1997 0 : if (!poRAT)
1998 : {
1999 0 : return CE_Failure;
2000 : }
2001 :
2002 : // ----------------------------------------------------------
2003 : // Get field indices
2004 : // ----------------------------------------------------------
2005 :
2006 0 : int iValue = -1;
2007 0 : int iRed = poRAT->GetColOfUsage(GFU_Red);
2008 0 : int iGreen = poRAT->GetColOfUsage(GFU_Green);
2009 0 : int iBlue = poRAT->GetColOfUsage(GFU_Blue);
2010 :
2011 0 : GDALColorTable *poCT = nullptr;
2012 0 : char **papszNames = nullptr;
2013 :
2014 0 : int nFact = 1;
2015 :
2016 : // ----------------------------------------------------------
2017 : // Seek for "Value" field index (AGIS standards field name)
2018 : // ----------------------------------------------------------
2019 :
2020 0 : if (GetColorTable() == nullptr ||
2021 0 : GetColorTable()->GetColorEntryCount() == 0)
2022 : {
2023 0 : for (int i = 0; i < poRAT->GetColumnCount(); i++)
2024 : {
2025 0 : if (STARTS_WITH_CI(poRAT->GetNameOfCol(i), "Value"))
2026 : {
2027 0 : iValue = i;
2028 0 : break;
2029 : }
2030 : }
2031 :
2032 0 : if (iRed != -1 && iGreen != -1 && iBlue != -1)
2033 : {
2034 0 : poCT = new GDALColorTable();
2035 0 : nFact = poRAT->GetTypeOfCol(iRed) == GFT_Real ? 255 : 1;
2036 : }
2037 : }
2038 :
2039 : // ----------------------------------------------------------
2040 : // Seek for Name field index
2041 : // ----------------------------------------------------------
2042 :
2043 0 : int iName = -1;
2044 0 : if (CSLCount(GetCategoryNames()) == 0)
2045 : {
2046 0 : iName = poRAT->GetColOfUsage(GFU_Name);
2047 0 : if (iName == -1)
2048 : {
2049 0 : for (int i = 0; i < poRAT->GetColumnCount(); i++)
2050 : {
2051 0 : if (STARTS_WITH_CI(poRAT->GetNameOfCol(i), "Class_Name"))
2052 : {
2053 0 : iName = i;
2054 0 : break;
2055 : }
2056 0 : else if (STARTS_WITH_CI(poRAT->GetNameOfCol(i), "Categor"))
2057 : {
2058 0 : iName = i;
2059 0 : break;
2060 : }
2061 0 : else if (STARTS_WITH_CI(poRAT->GetNameOfCol(i), "Name"))
2062 : {
2063 0 : iName = i;
2064 0 : break;
2065 : }
2066 : }
2067 : }
2068 :
2069 : /* if still can't find it use the first String column */
2070 :
2071 0 : if (iName == -1)
2072 : {
2073 0 : for (int i = 0; i < poRAT->GetColumnCount(); i++)
2074 : {
2075 0 : if (poRAT->GetTypeOfCol(i) == GFT_String)
2076 : {
2077 0 : iName = i;
2078 0 : break;
2079 : }
2080 : }
2081 : }
2082 :
2083 : // ----------------------------------------------------------
2084 : // Incomplete Attribute Table;
2085 : // ----------------------------------------------------------
2086 :
2087 0 : if (iName == -1)
2088 : {
2089 0 : iName = iValue;
2090 : }
2091 : }
2092 :
2093 : // ----------------------------------------------------------
2094 : // Load values
2095 : // ----------------------------------------------------------
2096 :
2097 : GDALColorEntry sColor;
2098 0 : int iEntry = 0;
2099 0 : int iOut = 0;
2100 0 : int nEntryCount = poRAT->GetRowCount();
2101 0 : int nValue = 0;
2102 :
2103 0 : if (iValue != -1)
2104 : {
2105 0 : nValue = poRAT->GetValueAsInt(iEntry, iValue);
2106 : }
2107 :
2108 0 : for (iOut = 0; iOut < 65535 && (iEntry < nEntryCount); iOut++)
2109 : {
2110 0 : if (iOut == nValue)
2111 : {
2112 0 : if (poCT)
2113 : {
2114 0 : const double dRed = poRAT->GetValueAsDouble(iEntry, iRed);
2115 0 : const double dGreen = poRAT->GetValueAsDouble(iEntry, iGreen);
2116 0 : const double dBlue = poRAT->GetValueAsDouble(iEntry, iBlue);
2117 0 : sColor.c1 = (short)(dRed * nFact);
2118 0 : sColor.c2 = (short)(dGreen * nFact);
2119 0 : sColor.c3 = (short)(dBlue * nFact);
2120 0 : sColor.c4 = (short)(255 / nFact);
2121 0 : poCT->SetColorEntry(iEntry, &sColor);
2122 : }
2123 :
2124 0 : if (iName != -1)
2125 : {
2126 0 : papszNames = CSLAddString(
2127 0 : papszNames, poRAT->GetValueAsString(iEntry, iName));
2128 : }
2129 :
2130 : /* Advance on the table */
2131 :
2132 0 : if ((++iEntry) < nEntryCount)
2133 : {
2134 0 : if (iValue != -1)
2135 0 : nValue = poRAT->GetValueAsInt(iEntry, iValue);
2136 : else
2137 0 : nValue = iEntry;
2138 : }
2139 : }
2140 0 : else if (iOut < nValue)
2141 : {
2142 0 : if (poCT)
2143 : {
2144 0 : sColor.c1 = (short)0;
2145 0 : sColor.c2 = (short)0;
2146 0 : sColor.c3 = (short)0;
2147 0 : sColor.c4 = (short)255;
2148 0 : poCT->SetColorEntry(iEntry, &sColor);
2149 : }
2150 :
2151 0 : if (iName != -1)
2152 0 : papszNames = CSLAddString(papszNames, "");
2153 : }
2154 : }
2155 :
2156 : // ----------------------------------------------------------
2157 : // Set Color Table
2158 : // ----------------------------------------------------------
2159 :
2160 0 : if (poCT)
2161 : {
2162 0 : SetColorTable(poCT);
2163 0 : delete poCT;
2164 : }
2165 :
2166 : // ----------------------------------------------------------
2167 : // Update Category Names
2168 : // ----------------------------------------------------------
2169 :
2170 0 : if (papszNames)
2171 : {
2172 0 : SetCategoryNames(papszNames);
2173 0 : CSLDestroy(papszNames);
2174 : }
2175 :
2176 : // ----------------------------------------------------------
2177 : // Update Attribute Table
2178 : // ----------------------------------------------------------
2179 :
2180 0 : if (poDefaultRAT)
2181 : {
2182 0 : delete poDefaultRAT;
2183 : }
2184 :
2185 0 : poDefaultRAT = poRAT->Clone();
2186 :
2187 0 : return CE_None;
2188 : }
2189 :
2190 : /************************************************************************/
2191 : /* GetDefaultRAT() */
2192 : /************************************************************************/
2193 :
2194 0 : GDALRasterAttributeTable *IdrisiRasterBand::GetDefaultRAT()
2195 : {
2196 0 : IdrisiDataset *poGDS = cpl::down_cast<IdrisiDataset *>(poDS);
2197 :
2198 0 : if (poGDS->papszCategories == nullptr)
2199 : {
2200 0 : return nullptr;
2201 : }
2202 :
2203 0 : bool bHasColorTable = poGDS->poColorTable->GetColorEntryCount() > 0;
2204 :
2205 : // ----------------------------------------------------------
2206 : // Create the bands Attribute Table
2207 : // ----------------------------------------------------------
2208 :
2209 0 : if (poDefaultRAT)
2210 : {
2211 0 : delete poDefaultRAT;
2212 : }
2213 :
2214 0 : poDefaultRAT = new GDALDefaultRasterAttributeTable();
2215 :
2216 : // ----------------------------------------------------------
2217 : // Create (Value, Red, Green, Blue, Alpha, Class_Name) fields
2218 : // ----------------------------------------------------------
2219 :
2220 0 : poDefaultRAT->CreateColumn("Value", GFT_Integer, GFU_Generic);
2221 0 : poDefaultRAT->CreateColumn("Value_1", GFT_Integer, GFU_MinMax);
2222 :
2223 0 : if (bHasColorTable)
2224 : {
2225 0 : poDefaultRAT->CreateColumn("Red", GFT_Integer, GFU_Red);
2226 0 : poDefaultRAT->CreateColumn("Green", GFT_Integer, GFU_Green);
2227 0 : poDefaultRAT->CreateColumn("Blue", GFT_Integer, GFU_Blue);
2228 0 : poDefaultRAT->CreateColumn("Alpha", GFT_Integer, GFU_Alpha);
2229 : }
2230 0 : poDefaultRAT->CreateColumn("Class_name", GFT_String, GFU_Name);
2231 :
2232 : // ----------------------------------------------------------
2233 : // Loop through the Category Names.
2234 : // ----------------------------------------------------------
2235 :
2236 : GDALColorEntry sEntry;
2237 0 : int iName = poDefaultRAT->GetColOfUsage(GFU_Name);
2238 0 : int nEntryCount = CSLCount(poGDS->papszCategories);
2239 0 : int iRows = 0;
2240 :
2241 0 : for (int iEntry = 0; iEntry < nEntryCount; iEntry++)
2242 : {
2243 0 : if (EQUAL(poGDS->papszCategories[iEntry], ""))
2244 : {
2245 0 : continue; // Eliminate the empty ones
2246 : }
2247 0 : poDefaultRAT->SetRowCount(poDefaultRAT->GetRowCount() + 1);
2248 0 : poDefaultRAT->SetValue(iRows, 0, iEntry);
2249 0 : poDefaultRAT->SetValue(iRows, 1, iEntry);
2250 0 : if (bHasColorTable)
2251 : {
2252 0 : poGDS->poColorTable->GetColorEntryAsRGB(iEntry, &sEntry);
2253 0 : poDefaultRAT->SetValue(iRows, 2, sEntry.c1);
2254 0 : poDefaultRAT->SetValue(iRows, 3, sEntry.c2);
2255 0 : poDefaultRAT->SetValue(iRows, 4, sEntry.c3);
2256 0 : poDefaultRAT->SetValue(iRows, 5, sEntry.c4);
2257 : }
2258 0 : poDefaultRAT->SetValue(iRows, iName, poGDS->papszCategories[iEntry]);
2259 0 : iRows++;
2260 : }
2261 :
2262 0 : return poDefaultRAT;
2263 : }
2264 :
2265 : /************************************************************************/
2266 : /* IdrisiGeoReference2Wkt() */
2267 : /************************************************************************/
2268 :
2269 : /***
2270 : * Converts Idrisi geographic reference information to OpenGIS WKT.
2271 : *
2272 : * The Idrisi metadata file contain two fields that describe the
2273 : * geographic reference, RefSystem and RefUnit.
2274 : *
2275 : * RefSystem can contains the world "plane" or the name of a georeference
2276 : * file <refsystem>.ref that details the geographic reference
2277 : * system( coordinate system and projection parameters ). RefUnits
2278 : * indicates the unit of the image bounds.
2279 : *
2280 : * The georeference files are generally located in the product installation
2281 : * folder $IDRISIDIR\\Georef, but they are first looked for in the same
2282 : * folder as the data file.
2283 : *
2284 : * If a Reference system names can be recognized by a name convention
2285 : * it will be interpreted without the need to read the georeference file.
2286 : * That includes "latlong" and all the UTM and State Plane zones.
2287 : *
2288 : * RefSystem "latlong" means that the data is not project and the coordinate
2289 : * system is WGS84. RefSystem "plane" means that the there is no coordinate
2290 : * system but the it is possible to calculate areas and distance by looking
2291 : * at the RefUnits.
2292 : *
2293 : * If the environment variable IDRISIDIR is not set and the georeference file
2294 : * need to be read then the projection string will result as unknown.
2295 : ***/
2296 :
2297 4 : CPLErr IdrisiGeoReference2Wkt(const char *pszFilename, const char *pszRefSystem,
2298 : const char *pszRefUnits,
2299 : OGRSpatialReference &oSRS)
2300 : {
2301 : // ---------------------------------------------------------
2302 : // Plane
2303 : // ---------------------------------------------------------
2304 :
2305 4 : if (EQUAL(pszRefSystem, rstPLANE))
2306 : {
2307 0 : oSRS.SetLocalCS("Plane");
2308 0 : int nUnit = GetUnitIndex(pszRefUnits);
2309 0 : if (nUnit > -1)
2310 : {
2311 0 : int nDeft = aoLinearUnitsConv[nUnit].nDefaultG;
2312 0 : oSRS.SetLinearUnits(aoLinearUnitsConv[nDeft].pszName,
2313 0 : aoLinearUnitsConv[nDeft].dfConv);
2314 : }
2315 0 : return CE_None;
2316 : }
2317 :
2318 : // ---------------------------------------------------------
2319 : // Latlong
2320 : // ---------------------------------------------------------
2321 :
2322 4 : if (EQUAL(pszRefSystem, rstLATLONG) || EQUAL(pszRefSystem, rstLATLONG2))
2323 : {
2324 1 : oSRS.SetWellKnownGeogCS("WGS84");
2325 1 : return CE_None;
2326 : }
2327 :
2328 : // ---------------------------------------------------------
2329 : // Prepare for scanning in lower case
2330 : // ---------------------------------------------------------
2331 :
2332 3 : char *pszRefSystemLower = CPLStrdup(pszRefSystem);
2333 3 : CPLStrlwr(pszRefSystemLower);
2334 :
2335 : // ---------------------------------------------------------
2336 : // UTM naming convention( ex.: utm-30n )
2337 : // ---------------------------------------------------------
2338 :
2339 3 : if (EQUALN(pszRefSystem, rstUTM, 3))
2340 : {
2341 : int nZone;
2342 : char cNorth;
2343 3 : sscanf(pszRefSystemLower, rstUTM, &nZone, &cNorth);
2344 3 : oSRS.SetWellKnownGeogCS("WGS84");
2345 3 : oSRS.SetUTM(nZone, (cNorth == 'n'));
2346 3 : CPLFree(pszRefSystemLower);
2347 3 : return CE_None;
2348 : }
2349 :
2350 : // ---------------------------------------------------------
2351 : // State Plane naming convention( ex.: spc83ma1 )
2352 : // ---------------------------------------------------------
2353 :
2354 0 : if (EQUALN(pszRefSystem, rstSPC, 3))
2355 : {
2356 : int nNAD;
2357 : int nZone;
2358 : char szState[3];
2359 0 : sscanf(pszRefSystemLower, rstSPC, &nNAD, szState, &nZone);
2360 0 : int nSPCode = GetStateCode(szState);
2361 0 : if (nSPCode != -1)
2362 : {
2363 0 : nZone = (nZone == 1 ? nSPCode : nSPCode + nZone - 1);
2364 :
2365 0 : if (oSRS.SetStatePlane(nZone, (nNAD == 83)) != OGRERR_FAILURE)
2366 : {
2367 0 : CPLFree(pszRefSystemLower);
2368 0 : return CE_None;
2369 : }
2370 :
2371 : // ----------------------------------------------------------
2372 : // If SetStatePlane fails, set GeoCS as NAD Datum and let it
2373 : // try to read the projection info from georeference file( * )
2374 : // ----------------------------------------------------------
2375 :
2376 0 : oSRS.SetWellKnownGeogCS(CPLSPrintf("NAD%d", nNAD));
2377 : }
2378 : }
2379 :
2380 0 : CPLFree(pszRefSystemLower);
2381 0 : pszRefSystemLower = nullptr;
2382 :
2383 : // ------------------------------------------------------------------
2384 : // Search for georeference file <RefSystem>.ref
2385 : // ------------------------------------------------------------------
2386 :
2387 : const char *pszFName =
2388 0 : CPLSPrintf("%s%c%s.ref", CPLGetDirnameSafe(pszFilename).c_str(),
2389 : PATHDELIM, pszRefSystem);
2390 :
2391 0 : if (!FileExists(pszFName))
2392 : {
2393 : // ------------------------------------------------------------------
2394 : // Look at $IDRISIDIR\Georef\<RefSystem>.ref
2395 : // ------------------------------------------------------------------
2396 :
2397 0 : const char *pszIdrisiDir = CPLGetConfigOption("IDRISIDIR", nullptr);
2398 :
2399 0 : if ((pszIdrisiDir) != nullptr)
2400 : {
2401 0 : pszFName = CPLSPrintf("%s%cgeoref%c%s.ref", pszIdrisiDir, PATHDELIM,
2402 : PATHDELIM, pszRefSystem);
2403 : }
2404 : }
2405 :
2406 : // ------------------------------------------------------------------
2407 : // Cannot find georeference file
2408 : // ------------------------------------------------------------------
2409 :
2410 0 : if (!FileExists(pszFName))
2411 : {
2412 0 : CPLDebug("RST", "Cannot find Idrisi georeference file %s",
2413 : pszRefSystem);
2414 :
2415 0 : if (oSRS.IsGeographic() == FALSE) /* see State Plane remarks( * ) */
2416 : {
2417 0 : oSRS.SetLocalCS("Unknown");
2418 0 : int nUnit = GetUnitIndex(pszRefUnits);
2419 0 : if (nUnit > -1)
2420 : {
2421 0 : int nDeft = aoLinearUnitsConv[nUnit].nDefaultG;
2422 0 : oSRS.SetLinearUnits(aoLinearUnitsConv[nDeft].pszName,
2423 0 : aoLinearUnitsConv[nDeft].dfConv);
2424 : }
2425 : }
2426 0 : return CE_Failure;
2427 : }
2428 :
2429 : // ------------------------------------------------------------------
2430 : // Read values from georeference file
2431 : // ------------------------------------------------------------------
2432 :
2433 0 : char **papszRef = CSLLoad(pszFName);
2434 0 : myCSLSetNameValueSeparator(papszRef, ":");
2435 :
2436 0 : char *pszGeorefName = nullptr;
2437 :
2438 0 : const char *pszREF_SYSTEM = myCSLFetchNameValue(papszRef, refREF_SYSTEM);
2439 0 : if (pszREF_SYSTEM != nullptr && EQUAL(pszREF_SYSTEM, "") == FALSE)
2440 : {
2441 0 : pszGeorefName = CPLStrdup(pszREF_SYSTEM);
2442 : }
2443 : else
2444 : {
2445 : pszGeorefName =
2446 0 : CPLStrdup(myCSLFetchNameValue(papszRef, refREF_SYSTEM2));
2447 : }
2448 0 : char *pszProjName = CPLStrdup(myCSLFetchNameValue(papszRef, refPROJECTION));
2449 0 : char *pszDatum = CPLStrdup(myCSLFetchNameValue(papszRef, refDATUM));
2450 0 : char *pszEllipsoid = CPLStrdup(myCSLFetchNameValue(papszRef, refELLIPSOID));
2451 : const double dfCenterLat =
2452 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refORIGIN_LAT));
2453 : const double dfCenterLong =
2454 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refORIGIN_LONG));
2455 : const double dfSemiMajor =
2456 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refMAJOR_SAX));
2457 : const double dfSemiMinor =
2458 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refMINOR_SAX));
2459 : const double dfFalseEasting =
2460 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refORIGIN_X));
2461 : const double dfFalseNorthing =
2462 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refORIGIN_Y));
2463 : const double dfStdP1 =
2464 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refSTANDL_1));
2465 : const double dfStdP2 =
2466 0 : CPLAtof_nz(myCSLFetchNameValue(papszRef, refSTANDL_2));
2467 : double dfScale;
2468 0 : double adfToWGS84[3] = {0.0, 0.0, 0.0};
2469 :
2470 0 : const char *pszToWGS84 = myCSLFetchNameValue(papszRef, refDELTA_WGS84);
2471 0 : if (pszToWGS84)
2472 0 : CPLsscanf(pszToWGS84, "%lf %lf %lf", &adfToWGS84[0], &adfToWGS84[1],
2473 : &adfToWGS84[2]);
2474 :
2475 0 : const char *pszSCALE_FAC = myCSLFetchNameValue(papszRef, refSCALE_FAC);
2476 0 : if (pszSCALE_FAC == nullptr || EQUAL(pszSCALE_FAC, "na"))
2477 0 : dfScale = 1.0;
2478 : else
2479 0 : dfScale = CPLAtof_nz(pszSCALE_FAC);
2480 :
2481 0 : CSLDestroy(papszRef);
2482 :
2483 : // ----------------------------------------------------------------------
2484 : // Set the Geographic Coordinate System
2485 : // ----------------------------------------------------------------------
2486 :
2487 0 : if (oSRS.IsGeographic() == FALSE) /* see State Plane remarks(*) */
2488 : {
2489 0 : int nEPSG = 0;
2490 :
2491 : // ----------------------------------------------------------------------
2492 : // Is it a WGS84 equivalent?
2493 : // ----------------------------------------------------------------------
2494 :
2495 0 : if ((STARTS_WITH_CI(pszEllipsoid, "WGS")) &&
2496 0 : (strstr(pszEllipsoid, "84")) && (STARTS_WITH_CI(pszDatum, "WGS")) &&
2497 0 : (strstr(pszDatum, "84")) && (adfToWGS84[0] == 0.0) &&
2498 0 : (adfToWGS84[1] == 0.0) && (adfToWGS84[2] == 0.0))
2499 : {
2500 0 : nEPSG = 4326;
2501 : }
2502 :
2503 : // ----------------------------------------------------------------------
2504 : // Match GCS's DATUM_NAME by using 'ApproxString' over Datum
2505 : // ----------------------------------------------------------------------
2506 :
2507 0 : if (nEPSG == 0)
2508 : {
2509 0 : const PJ_TYPE nObjType = PJ_TYPE_GEODETIC_REFERENCE_FRAME;
2510 : auto datumList =
2511 0 : proj_create_from_name(OSRGetProjTLSContext(), "EPSG", pszDatum,
2512 : &nObjType, 1, true, 1, nullptr);
2513 0 : if (datumList && proj_list_get_count(datumList) == 1)
2514 : {
2515 : auto datum =
2516 0 : proj_list_get(OSRGetProjTLSContext(), datumList, 0);
2517 0 : if (datum)
2518 : {
2519 0 : const char *datumCode = proj_get_id_code(datum, 0);
2520 0 : if (datumCode)
2521 : {
2522 0 : auto crsList = proj_query_geodetic_crs_from_datum(
2523 : OSRGetProjTLSContext(), "EPSG", "EPSG", datumCode,
2524 : "geographic 2D");
2525 0 : if (crsList && proj_list_get_count(crsList) != 0)
2526 : {
2527 0 : auto crs = proj_list_get(OSRGetProjTLSContext(),
2528 : crsList, 0);
2529 0 : if (crs)
2530 : {
2531 0 : const char *crsCode = proj_get_id_code(crs, 0);
2532 0 : if (crsCode)
2533 : {
2534 0 : nEPSG = atoi(crsCode);
2535 : }
2536 0 : proj_destroy(crs);
2537 : }
2538 : }
2539 0 : proj_list_destroy(crsList);
2540 : }
2541 0 : proj_destroy(datum);
2542 : }
2543 : }
2544 0 : proj_list_destroy(datumList);
2545 : }
2546 :
2547 : // ----------------------------------------------------------------------
2548 : // Match GCS's COORD_REF_SYS_NAME by using 'ApproxString' over Datum
2549 : // ----------------------------------------------------------------------
2550 :
2551 0 : if (nEPSG == 0)
2552 : {
2553 0 : const PJ_TYPE nObjType = PJ_TYPE_GEOGRAPHIC_2D_CRS;
2554 : auto crsList =
2555 0 : proj_create_from_name(OSRGetProjTLSContext(), "EPSG", pszDatum,
2556 : &nObjType, 1, true, 1, nullptr);
2557 0 : if (crsList && proj_list_get_count(crsList) != 0)
2558 : {
2559 0 : auto crs = proj_list_get(OSRGetProjTLSContext(), crsList, 0);
2560 0 : if (crs)
2561 : {
2562 0 : const char *crsCode = proj_get_id_code(crs, 0);
2563 0 : if (crsCode)
2564 : {
2565 0 : nEPSG = atoi(crsCode);
2566 : }
2567 0 : proj_destroy(crs);
2568 : }
2569 : }
2570 0 : proj_list_destroy(crsList);
2571 : }
2572 :
2573 0 : if (nEPSG != 0)
2574 : {
2575 0 : oSRS.importFromEPSG(nEPSG);
2576 : }
2577 : else
2578 : {
2579 : // --------------------------------------------------
2580 : // Create GeogCS based on the georeference file info
2581 : // --------------------------------------------------
2582 :
2583 0 : oSRS.SetGeogCS(pszRefSystem, pszDatum, pszEllipsoid, dfSemiMajor,
2584 : (dfSemiMinor == dfSemiMajor)
2585 : ? 0.0
2586 0 : : (-1.0 / (dfSemiMinor / dfSemiMajor - 1.0)));
2587 : }
2588 :
2589 : // ----------------------------------------------------------------------
2590 : // Note: That will override EPSG info:
2591 : // ----------------------------------------------------------------------
2592 :
2593 0 : oSRS.SetTOWGS84(adfToWGS84[0], adfToWGS84[1], adfToWGS84[2]);
2594 : }
2595 :
2596 : // ----------------------------------------------------------------------
2597 : // If the georeference file tells that it is a non project system:
2598 : // ----------------------------------------------------------------------
2599 :
2600 0 : if (EQUAL(pszProjName, "none"))
2601 : {
2602 0 : CPLFree(pszGeorefName);
2603 0 : CPLFree(pszProjName);
2604 0 : CPLFree(pszDatum);
2605 0 : CPLFree(pszEllipsoid);
2606 :
2607 0 : return CE_None;
2608 : }
2609 :
2610 : // ----------------------------------------------------------------------
2611 : // Create Projection information based on georeference file info
2612 : // ----------------------------------------------------------------------
2613 :
2614 : // Idrisi user's Manual, Supported Projection:
2615 : //
2616 : // Mercator
2617 : // Transverse Mercator
2618 : // Gauss-Kruger
2619 : // Lambert Conformal Conic
2620 : // Plate Carree
2621 : // Hammer Aitoff
2622 : // Lambert North Polar Azimuthal Equal Area
2623 : // Lambert South Polar Azimuthal Equal Area
2624 : // Lambert Transverse Azimuthal Equal Area
2625 : // Lambert Oblique Polar Azimuthal Equal Area
2626 : // North Polar Stereographic
2627 : // South Polar Stereographic
2628 : // Transverse Stereographic
2629 : // Oblique Stereographic
2630 : // Albers Equal Area Conic
2631 : // Sinusoidal
2632 : // Cylindrical Equal Area
2633 :
2634 0 : if (EQUAL(pszProjName, "Mercator"))
2635 : {
2636 0 : oSRS.SetMercator(dfCenterLat, dfCenterLong, dfScale, dfFalseEasting,
2637 : dfFalseNorthing);
2638 : }
2639 0 : else if (EQUAL(pszProjName, "Transverse Mercator"))
2640 : {
2641 0 : oSRS.SetTM(dfCenterLat, dfCenterLong, dfScale, dfFalseEasting,
2642 : dfFalseNorthing);
2643 : }
2644 0 : else if (EQUAL(pszProjName, "Gauss-Kruger"))
2645 : {
2646 0 : oSRS.SetTM(dfCenterLat, dfCenterLong, dfScale, dfFalseEasting,
2647 : dfFalseNorthing);
2648 : }
2649 0 : else if (EQUAL(pszProjName, "Lambert Conformal Conic"))
2650 : {
2651 0 : oSRS.SetLCC(dfStdP1, dfStdP2, dfCenterLat, dfCenterLong, dfFalseEasting,
2652 : dfFalseNorthing);
2653 : }
2654 0 : else if (EQUAL(pszProjName, "Plate Carr"
2655 : "\xE9"
2656 : "e")) /* 'eacute' in ISO-8859-1 */
2657 : {
2658 0 : oSRS.SetEquirectangular(dfCenterLat, dfCenterLong, dfFalseEasting,
2659 : dfFalseNorthing);
2660 : }
2661 0 : else if (EQUAL(pszProjName, "Hammer Aitoff"))
2662 : {
2663 0 : oSRS.SetProjection(pszProjName);
2664 0 : oSRS.SetProjParm(SRS_PP_LATITUDE_OF_ORIGIN, dfCenterLat);
2665 0 : oSRS.SetProjParm(SRS_PP_CENTRAL_MERIDIAN, dfCenterLong);
2666 0 : oSRS.SetProjParm(SRS_PP_FALSE_EASTING, dfFalseEasting);
2667 0 : oSRS.SetProjParm(SRS_PP_FALSE_NORTHING, dfFalseNorthing);
2668 : }
2669 0 : else if (EQUAL(pszProjName, "Lambert North Polar Azimuthal Equal Area") ||
2670 0 : EQUAL(pszProjName, "Lambert South Polar Azimuthal Equal Area") ||
2671 0 : EQUAL(pszProjName, "Lambert Transverse Azimuthal Equal Area") ||
2672 0 : EQUAL(pszProjName, "Lambert Oblique Polar Azimuthal Equal Area"))
2673 : {
2674 0 : oSRS.SetLAEA(dfCenterLat, dfCenterLong, dfFalseEasting,
2675 : dfFalseNorthing);
2676 : }
2677 0 : else if (EQUAL(pszProjName, "North Polar Stereographic") ||
2678 0 : EQUAL(pszProjName, "South Polar Stereographic"))
2679 : {
2680 0 : oSRS.SetPS(dfCenterLat, dfCenterLong, dfScale, dfFalseEasting,
2681 : dfFalseNorthing);
2682 : }
2683 0 : else if (EQUAL(pszProjName, "Transverse Stereographic"))
2684 : {
2685 0 : oSRS.SetStereographic(dfCenterLat, dfCenterLong, dfScale,
2686 : dfFalseEasting, dfFalseNorthing);
2687 : }
2688 0 : else if (EQUAL(pszProjName, "Oblique Stereographic"))
2689 : {
2690 0 : oSRS.SetOS(dfCenterLat, dfCenterLong, dfScale, dfFalseEasting,
2691 : dfFalseNorthing);
2692 : }
2693 0 : else if (EQUAL(pszProjName, "Alber's Equal Area Conic") ||
2694 0 : EQUAL(pszProjName, "Albers Equal Area Conic"))
2695 : {
2696 0 : oSRS.SetACEA(dfStdP1, dfStdP2, dfCenterLat, dfCenterLong,
2697 : dfFalseEasting, dfFalseNorthing);
2698 : }
2699 0 : else if (EQUAL(pszProjName, "Sinusoidal"))
2700 : {
2701 0 : oSRS.SetSinusoidal(dfCenterLong, dfFalseEasting, dfFalseNorthing);
2702 : }
2703 0 : else if (EQUAL(pszProjName, "CylindricalEA") ||
2704 0 : EQUAL(pszProjName, "Cylindrical Equal Area"))
2705 : {
2706 0 : oSRS.SetCEA(dfStdP1, dfCenterLong, dfFalseEasting, dfFalseNorthing);
2707 : }
2708 : else
2709 : {
2710 0 : CPLError(
2711 : CE_Warning, CPLE_NotSupported,
2712 : "Projection not listed on Idrisi User's Manual( v.15.0/2005 ).\n\t"
2713 : "[\"%s\" in georeference file \"%s\"]",
2714 : pszProjName, pszFName);
2715 0 : oSRS.Clear();
2716 :
2717 0 : CPLFree(pszGeorefName);
2718 0 : CPLFree(pszProjName);
2719 0 : CPLFree(pszDatum);
2720 0 : CPLFree(pszEllipsoid);
2721 :
2722 0 : return CE_Warning;
2723 : }
2724 :
2725 : // ----------------------------------------------------------------------
2726 : // Set the Linear Units
2727 : // ----------------------------------------------------------------------
2728 :
2729 0 : int nUnit = GetUnitIndex(pszRefUnits);
2730 0 : if (nUnit > -1)
2731 : {
2732 0 : int nDeft = aoLinearUnitsConv[nUnit].nDefaultG;
2733 0 : oSRS.SetLinearUnits(aoLinearUnitsConv[nDeft].pszName,
2734 0 : aoLinearUnitsConv[nDeft].dfConv);
2735 : }
2736 : else
2737 : {
2738 0 : oSRS.SetLinearUnits("unknown", 1.0);
2739 : }
2740 :
2741 : // ----------------------------------------------------------------------
2742 : // Name ProjCS with the name on the georeference file
2743 : // ----------------------------------------------------------------------
2744 :
2745 0 : oSRS.SetProjCS(pszGeorefName);
2746 :
2747 0 : CPLFree(pszGeorefName);
2748 0 : CPLFree(pszProjName);
2749 0 : CPLFree(pszDatum);
2750 0 : CPLFree(pszEllipsoid);
2751 :
2752 0 : return CE_None;
2753 : }
2754 :
2755 : /************************************************************************/
2756 : /* Wkt2GeoReference() */
2757 : /************************************************************************/
2758 :
2759 : /***
2760 : * Converts OpenGIS WKT to Idrisi geographic reference information.
2761 : *
2762 : * That function will fill up the two parameters RefSystem and RefUnit
2763 : * that goes into the Idrisi metadata. But it could also create
2764 : * a accompanying georeference file to the output if necessary.
2765 : *
2766 : * First it will try to identify the ProjString as Local, WGS84 or
2767 : * one of the Idrisi name convention reference systems
2768 : * otherwise, if the projection system is supported by Idrisi,
2769 : * it will create a accompanying georeference files.
2770 : ***/
2771 :
2772 13 : CPLErr IdrisiDataset::Wkt2GeoReference(const OGRSpatialReference &oSRS,
2773 : char **pszRefSystem, char **pszRefUnit)
2774 : {
2775 : // -----------------------------------------------------
2776 : // Plane with default "Meters"
2777 : // -----------------------------------------------------
2778 :
2779 13 : if (oSRS.IsEmpty())
2780 : {
2781 0 : *pszRefSystem = CPLStrdup(rstPLANE);
2782 0 : *pszRefUnit = CPLStrdup(rstMETER);
2783 0 : return CE_None;
2784 : }
2785 :
2786 : // -----------------------------------------------------
2787 : // Local => Plane + Linear Unit
2788 : // -----------------------------------------------------
2789 :
2790 13 : if (oSRS.IsLocal())
2791 : {
2792 0 : *pszRefSystem = CPLStrdup(rstPLANE);
2793 0 : *pszRefUnit = GetUnitDefault(oSRS.GetAttrValue("UNIT"),
2794 : CPLSPrintf("%f", oSRS.GetLinearUnits()));
2795 0 : return CE_None;
2796 : }
2797 :
2798 : // -----------------------------------------------------
2799 : // Test to identify WGS84 => Latlong + Angular Unit
2800 : // -----------------------------------------------------
2801 :
2802 13 : if (oSRS.IsGeographic())
2803 : {
2804 13 : char *pszSpheroid = CPLStrdup(oSRS.GetAttrValue("SPHEROID"));
2805 13 : char *pszAuthName = CPLStrdup(oSRS.GetAuthorityName("GEOGCS"));
2806 13 : char *pszDatum = CPLStrdup(oSRS.GetAttrValue("DATUM"));
2807 13 : int nGCSCode = -1;
2808 13 : if (EQUAL(pszAuthName, "EPSG"))
2809 : {
2810 1 : nGCSCode = atoi(oSRS.GetAuthorityCode("GEOGCS"));
2811 : }
2812 13 : if ((nGCSCode == 4326) ||
2813 12 : ((STARTS_WITH_CI(pszSpheroid, "WGS")) &&
2814 12 : (strstr(pszSpheroid, "84")) && (STARTS_WITH_CI(pszDatum, "WGS")) &&
2815 12 : (strstr(pszDatum, "84"))))
2816 : {
2817 13 : *pszRefSystem = CPLStrdup(rstLATLONG);
2818 13 : *pszRefUnit = CPLStrdup(rstDEGREE);
2819 :
2820 13 : CPLFree(pszSpheroid);
2821 13 : CPLFree(pszAuthName);
2822 13 : CPLFree(pszDatum);
2823 :
2824 13 : return CE_None;
2825 : }
2826 :
2827 0 : CPLFree(pszSpheroid);
2828 0 : CPLFree(pszAuthName);
2829 0 : CPLFree(pszDatum);
2830 : }
2831 :
2832 : // -----------------------------------------------------
2833 : // Prepare to match some projections
2834 : // -----------------------------------------------------
2835 :
2836 0 : const char *pszProjName = oSRS.GetAttrValue("PROJECTION");
2837 :
2838 0 : if (pszProjName == nullptr)
2839 : {
2840 0 : pszProjName = "";
2841 : }
2842 :
2843 : // -----------------------------------------------------
2844 : // Check for UTM zones
2845 : // -----------------------------------------------------
2846 :
2847 0 : if (EQUAL(pszProjName, SRS_PT_TRANSVERSE_MERCATOR))
2848 : {
2849 0 : int nZone = oSRS.GetUTMZone();
2850 :
2851 0 : if ((nZone != 0) && (EQUAL(oSRS.GetAttrValue("DATUM"), SRS_DN_WGS84)))
2852 : {
2853 0 : double dfNorth = oSRS.GetProjParm(SRS_PP_FALSE_NORTHING);
2854 0 : *pszRefSystem = CPLStrdup(
2855 : CPLSPrintf(rstUTM, nZone, (dfNorth == 0.0 ? 'n' : 's')));
2856 0 : *pszRefUnit = CPLStrdup(rstMETER);
2857 0 : return CE_None;
2858 : }
2859 : }
2860 :
2861 : // -----------------------------------------------------
2862 : // Check for State Plane
2863 : // -----------------------------------------------------
2864 :
2865 0 : if (EQUAL(pszProjName, SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP) ||
2866 0 : EQUAL(pszProjName, SRS_PT_TRANSVERSE_MERCATOR))
2867 : {
2868 0 : CPLString osPCSCode;
2869 0 : const char *pszID = oSRS.GetAuthorityCode("PROJCS");
2870 0 : if (pszID != nullptr && strlen(pszID) > 0)
2871 : {
2872 : const char *pszPCSCode =
2873 0 : CSVGetField(CSVFilename("stateplane.csv"), "EPSG_PCS_CODE",
2874 : pszID, CC_Integer, "ID");
2875 0 : osPCSCode = (pszPCSCode) ? pszPCSCode : "";
2876 0 : if (!osPCSCode.empty())
2877 : {
2878 0 : int nZone = osPCSCode.back() - '0';
2879 0 : int nSPCode = atoi(osPCSCode);
2880 :
2881 0 : if (nZone == 0)
2882 0 : nZone = 1;
2883 : else
2884 0 : nSPCode = nSPCode - nZone + 1;
2885 :
2886 0 : int nNADYear = 83;
2887 0 : if (nSPCode > 10000)
2888 : {
2889 0 : nNADYear = 27;
2890 0 : nSPCode -= 10000;
2891 : }
2892 0 : char *pszState = CPLStrdup(GetStateName(nSPCode));
2893 0 : if (!EQUAL(pszState, ""))
2894 : {
2895 0 : *pszRefSystem = CPLStrdup(
2896 : CPLSPrintf(rstSPC, nNADYear, pszState, nZone));
2897 0 : *pszRefUnit =
2898 0 : GetUnitDefault(oSRS.GetAttrValue("UNIT"),
2899 : CPLSPrintf("%f", oSRS.GetLinearUnits()));
2900 0 : CPLFree(pszState);
2901 0 : return CE_None;
2902 : }
2903 0 : CPLFree(pszState);
2904 : }
2905 : } //
2906 :
2907 : // if EPSG code is missing, go to following steps to work with origin
2908 :
2909 0 : const char *pszNAD83 = "83";
2910 0 : const char *pszNAD27 = "27";
2911 0 : bool bIsOldNAD = false;
2912 :
2913 0 : const char *pszDatumValue = oSRS.GetAttrValue("DATUM", 0);
2914 0 : if ((strstr(pszDatumValue, pszNAD83) == nullptr) &&
2915 0 : (strstr(pszDatumValue, pszNAD27) != nullptr))
2916 : // strcpy(pszNAD, "27");
2917 0 : bIsOldNAD = true;
2918 :
2919 0 : if ((oSRS.FindProjParm("central_meridian", nullptr) != -1) &&
2920 0 : (oSRS.FindProjParm("latitude_of_origin", nullptr) != -1))
2921 : {
2922 0 : double dfLon = oSRS.GetProjParm("central_meridian");
2923 0 : double dfLat = oSRS.GetProjParm("latitude_of_origin");
2924 0 : dfLon = (int)(fabs(dfLon) * 100 + 0.5) / 100.0;
2925 0 : dfLat = (int)(fabs(dfLat) * 100 + 0.5) / 100.0;
2926 0 : *pszRefSystem = CPLStrdup(GetSpcs(dfLon, dfLat));
2927 : }
2928 :
2929 0 : if (*pszRefSystem != nullptr)
2930 : {
2931 : // Convert 83 TO 27
2932 0 : if (bIsOldNAD)
2933 : {
2934 : char pszOutRefSystem[9];
2935 0 : NAD83to27(pszOutRefSystem, *pszRefSystem);
2936 0 : *pszRefSystem = CPLStrdup(pszOutRefSystem);
2937 : }
2938 0 : *pszRefUnit =
2939 0 : GetUnitDefault(oSRS.GetAttrValue("UNIT"),
2940 : CPLSPrintf("%f", oSRS.GetLinearUnits()));
2941 0 : return CE_None;
2942 : }
2943 : }
2944 :
2945 0 : const char *pszProjectionOut = nullptr;
2946 :
2947 0 : if (oSRS.IsProjected())
2948 : {
2949 : // ---------------------------------------------------------
2950 : // Check for supported projections
2951 : // ---------------------------------------------------------
2952 :
2953 0 : if (EQUAL(pszProjName, SRS_PT_MERCATOR_1SP))
2954 : {
2955 0 : pszProjectionOut = "Mercator";
2956 : }
2957 0 : else if (EQUAL(pszProjName, SRS_PT_TRANSVERSE_MERCATOR))
2958 : {
2959 0 : pszProjectionOut = "Transverse Mercator";
2960 : }
2961 0 : else if (EQUAL(pszProjName, SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP))
2962 : {
2963 0 : pszProjectionOut = "Lambert Conformal Conic";
2964 : }
2965 0 : else if (EQUAL(pszProjName, SRS_PT_EQUIRECTANGULAR))
2966 : {
2967 0 : pszProjectionOut = "Plate Carr"
2968 : "\xE9"
2969 : "e"; /* 'eacute' in ISO-8859-1 */
2970 : }
2971 0 : else if (EQUAL(pszProjName, SRS_PT_LAMBERT_AZIMUTHAL_EQUAL_AREA))
2972 : {
2973 : double dfCenterLat =
2974 0 : oSRS.GetProjParm(SRS_PP_LATITUDE_OF_ORIGIN, 0.0, nullptr);
2975 0 : if (dfCenterLat == 0.0)
2976 0 : pszProjectionOut = "Lambert Transverse Azimuthal Equal Area";
2977 0 : else if (fabs(dfCenterLat) == 90.0)
2978 0 : pszProjectionOut = "Lambert Oblique Polar Azimuthal Equal Area";
2979 0 : else if (dfCenterLat > 0.0)
2980 0 : pszProjectionOut = "Lambert North Oblique Azimuthal Equal Area";
2981 : else
2982 0 : pszProjectionOut = "Lambert South Oblique Azimuthal Equal Area";
2983 : }
2984 0 : else if (EQUAL(pszProjName, SRS_PT_POLAR_STEREOGRAPHIC))
2985 : {
2986 0 : if (oSRS.GetProjParm(SRS_PP_LATITUDE_OF_ORIGIN, 0.0, nullptr) > 0)
2987 0 : pszProjectionOut = "North Polar Stereographic";
2988 : else
2989 0 : pszProjectionOut = "South Polar Stereographic";
2990 : }
2991 0 : else if (EQUAL(pszProjName, SRS_PT_STEREOGRAPHIC))
2992 : {
2993 0 : pszProjectionOut = "Transverse Stereographic";
2994 : }
2995 0 : else if (EQUAL(pszProjName, SRS_PT_OBLIQUE_STEREOGRAPHIC))
2996 : {
2997 0 : pszProjectionOut = "Oblique Stereographic";
2998 : }
2999 0 : else if (EQUAL(pszProjName, SRS_PT_SINUSOIDAL))
3000 : {
3001 0 : pszProjectionOut = "Sinusoidal";
3002 : }
3003 0 : else if (EQUAL(pszProjName, SRS_PT_ALBERS_CONIC_EQUAL_AREA))
3004 : {
3005 0 : pszProjectionOut = "Alber's Equal Area Conic";
3006 : }
3007 0 : else if (EQUAL(pszProjName, SRS_PT_CYLINDRICAL_EQUAL_AREA))
3008 : {
3009 0 : pszProjectionOut = "Cylindrical Equal Area";
3010 : }
3011 :
3012 : // ---------------------------------------------------------
3013 : // Failure, Projection system not supported
3014 : // ---------------------------------------------------------
3015 :
3016 0 : if (pszProjectionOut == nullptr)
3017 : {
3018 0 : CPLDebug("RST", "Not supported by RST driver: PROJECTION[\"%s\"]",
3019 : pszProjName);
3020 :
3021 0 : *pszRefSystem = CPLStrdup(rstPLANE);
3022 0 : *pszRefUnit = CPLStrdup(rstMETER);
3023 0 : return CE_Failure;
3024 : }
3025 : }
3026 : else
3027 : {
3028 0 : pszProjectionOut = "none";
3029 : }
3030 :
3031 : // ---------------------------------------------------------
3032 : // Prepare to write ref file
3033 : // ---------------------------------------------------------
3034 :
3035 0 : char *pszGeorefName = CPLStrdup("Unknown");
3036 0 : char *pszDatum = CPLStrdup(oSRS.GetAttrValue("DATUM"));
3037 0 : char *pszEllipsoid = CPLStrdup(oSRS.GetAttrValue("SPHEROID"));
3038 0 : double dfSemiMajor = oSRS.GetSemiMajor();
3039 0 : double dfSemiMinor = oSRS.GetSemiMinor();
3040 : double adfToWGS84[3];
3041 0 : oSRS.GetTOWGS84(adfToWGS84, 3);
3042 :
3043 0 : double dfCenterLat = 0.0;
3044 0 : double dfCenterLong = 0.0;
3045 0 : double dfFalseNorthing = 0.0;
3046 0 : double dfFalseEasting = 0.0;
3047 0 : double dfScale = 1.0;
3048 0 : int nParameters = 0;
3049 0 : double dfStdP1 = 0.0;
3050 0 : double dfStdP2 = 0.0;
3051 0 : char *pszAngularUnit = CPLStrdup(oSRS.GetAttrValue("GEOGCS|UNIT"));
3052 0 : char *pszLinearUnit = nullptr;
3053 :
3054 0 : if (oSRS.IsProjected())
3055 : {
3056 0 : CPLFree(pszGeorefName);
3057 0 : pszGeorefName = CPLStrdup(oSRS.GetAttrValue("PROJCS"));
3058 0 : dfCenterLat = oSRS.GetProjParm(SRS_PP_LATITUDE_OF_ORIGIN, 0.0, nullptr);
3059 0 : dfCenterLong = oSRS.GetProjParm(SRS_PP_CENTRAL_MERIDIAN, 0.0, nullptr);
3060 0 : dfFalseNorthing = oSRS.GetProjParm(SRS_PP_FALSE_NORTHING, 0.0, nullptr);
3061 0 : dfFalseEasting = oSRS.GetProjParm(SRS_PP_FALSE_EASTING, 0.0, nullptr);
3062 0 : dfScale = oSRS.GetProjParm(SRS_PP_SCALE_FACTOR, 0.0, nullptr);
3063 0 : dfStdP1 = oSRS.GetProjParm(SRS_PP_STANDARD_PARALLEL_1, -0.1, nullptr);
3064 0 : if (EQUAL(pszProjectionOut, "Cylindrical Equal Area"))
3065 : {
3066 0 : dfStdP2 = -dfStdP1;
3067 0 : dfScale = 1.0;
3068 : }
3069 : else
3070 : {
3071 : dfStdP2 =
3072 0 : oSRS.GetProjParm(SRS_PP_STANDARD_PARALLEL_2, -0.1, nullptr);
3073 : }
3074 0 : if (dfStdP1 != -0.1)
3075 : {
3076 0 : nParameters = 1;
3077 0 : if (dfStdP2 != -0.1)
3078 0 : nParameters = 2;
3079 : }
3080 0 : pszLinearUnit = GetUnitDefault(oSRS.GetAttrValue("PROJCS|UNIT"),
3081 : CPLSPrintf("%f", oSRS.GetLinearUnits()));
3082 : }
3083 : else
3084 : {
3085 0 : pszLinearUnit = GetUnitDefault(pszAngularUnit);
3086 : }
3087 :
3088 : // ---------------------------------------------------------
3089 : // Create a companion georeference file for this dataset
3090 : // ---------------------------------------------------------
3091 :
3092 0 : char **papszRef = nullptr;
3093 0 : papszRef = CSLAddNameValue(papszRef, refREF_SYSTEM, pszGeorefName);
3094 0 : papszRef = CSLAddNameValue(papszRef, refPROJECTION, pszProjectionOut);
3095 0 : papszRef = CSLAddNameValue(papszRef, refDATUM, pszDatum);
3096 0 : papszRef = CSLAddNameValue(papszRef, refDELTA_WGS84,
3097 : CPLSPrintf("%.3g %.3g %.3g", adfToWGS84[0],
3098 : adfToWGS84[1], adfToWGS84[2]));
3099 0 : papszRef = CSLAddNameValue(papszRef, refELLIPSOID, pszEllipsoid);
3100 0 : papszRef = CSLAddNameValue(papszRef, refMAJOR_SAX,
3101 : CPLSPrintf("%.3f", dfSemiMajor));
3102 0 : papszRef = CSLAddNameValue(papszRef, refMINOR_SAX,
3103 : CPLSPrintf("%.3f", dfSemiMinor));
3104 0 : papszRef = CSLAddNameValue(papszRef, refORIGIN_LONG,
3105 : CPLSPrintf("%.9g", dfCenterLong));
3106 0 : papszRef = CSLAddNameValue(papszRef, refORIGIN_LAT,
3107 : CPLSPrintf("%.9g", dfCenterLat));
3108 0 : papszRef = CSLAddNameValue(papszRef, refORIGIN_X,
3109 : CPLSPrintf("%.9g", dfFalseEasting));
3110 0 : papszRef = CSLAddNameValue(papszRef, refORIGIN_Y,
3111 : CPLSPrintf("%.9g", dfFalseNorthing));
3112 : papszRef =
3113 0 : CSLAddNameValue(papszRef, refSCALE_FAC, CPLSPrintf("%.9g", dfScale));
3114 0 : papszRef = CSLAddNameValue(papszRef, refUNITS, pszLinearUnit);
3115 0 : papszRef = CSLAddNameValue(papszRef, refPARAMETERS,
3116 : CPLSPrintf("%1d", nParameters));
3117 0 : if (nParameters > 0)
3118 : papszRef =
3119 0 : CSLAddNameValue(papszRef, refSTANDL_1, CPLSPrintf("%.9g", dfStdP1));
3120 0 : if (nParameters > 1)
3121 : papszRef =
3122 0 : CSLAddNameValue(papszRef, refSTANDL_2, CPLSPrintf("%.9g", dfStdP2));
3123 0 : myCSLSetNameValueSeparator(papszRef, ": ");
3124 0 : SaveAsCRLF(papszRef, CPLResetExtensionSafe(pszFilename, extREF).c_str());
3125 0 : CSLDestroy(papszRef);
3126 :
3127 0 : *pszRefSystem = CPLStrdup(CPLGetBasenameSafe(pszFilename).c_str());
3128 0 : *pszRefUnit = CPLStrdup(pszLinearUnit);
3129 :
3130 0 : CPLFree(pszGeorefName);
3131 0 : CPLFree(pszDatum);
3132 0 : CPLFree(pszEllipsoid);
3133 0 : CPLFree(pszLinearUnit);
3134 0 : CPLFree(pszAngularUnit);
3135 :
3136 0 : return CE_None;
3137 : }
3138 :
3139 : /************************************************************************/
3140 : /* FileExists() */
3141 : /************************************************************************/
3142 :
3143 60 : bool FileExists(const char *pszPath)
3144 : {
3145 : VSIStatBufL sStat;
3146 :
3147 60 : return VSIStatL(pszPath, &sStat) == 0;
3148 : }
3149 :
3150 : /************************************************************************/
3151 : /* GetStateCode() */
3152 : /************************************************************************/
3153 :
3154 0 : int GetStateCode(const char *pszState)
3155 : {
3156 0 : for (unsigned int i = 0; i < US_STATE_COUNT; i++)
3157 : {
3158 0 : if (EQUAL(pszState, aoUSStateTable[i].pszName))
3159 : {
3160 0 : return aoUSStateTable[i].nCode;
3161 : }
3162 : }
3163 0 : return -1;
3164 : }
3165 :
3166 : /************************************************************************/
3167 : /* GetStateName() */
3168 : /************************************************************************/
3169 :
3170 0 : const char *GetStateName(int nCode)
3171 : {
3172 0 : for (unsigned int i = 0; i < US_STATE_COUNT; i++)
3173 : {
3174 0 : if (nCode == aoUSStateTable[i].nCode)
3175 : {
3176 0 : return aoUSStateTable[i].pszName;
3177 : }
3178 : }
3179 0 : return nullptr;
3180 : }
3181 :
3182 : /************************************************************************/
3183 : /* GetSpcs() */
3184 : /************************************************************************/
3185 :
3186 0 : char *GetSpcs(double dfLon, double dfLat)
3187 : {
3188 0 : for (int i = 0; i < ORIGIN_COUNT; i++)
3189 : {
3190 0 : if ((dfLon == SPCS83Origin[i].longitude) &&
3191 0 : (dfLat == SPCS83Origin[i].latitude))
3192 : {
3193 0 : return (char *)SPCS83Origin[i].spcs;
3194 : }
3195 : }
3196 0 : return nullptr;
3197 : }
3198 :
3199 : /************************************************************************/
3200 : /* NAD83to27() */
3201 : /************************************************************************/
3202 0 : void NAD83to27(char *pszOutRef, char *pszInRef)
3203 : {
3204 0 : char *pOutput = pszOutRef;
3205 0 : char *pInput = pszInRef;
3206 0 : strncpy(pOutput, pInput, 3);
3207 :
3208 0 : pOutput = pOutput + 3;
3209 0 : pInput = pInput + 3;
3210 :
3211 0 : memcpy(pOutput, "27", 2);
3212 0 : pOutput = pOutput + 2;
3213 0 : pInput = pInput + 2;
3214 0 : strcpy(pOutput, pInput);
3215 0 : }
3216 :
3217 : /************************************************************************/
3218 : /* GetUnitIndex() */
3219 : /************************************************************************/
3220 :
3221 0 : int GetUnitIndex(const char *pszUnitName)
3222 : {
3223 0 : for (int i = 0; i < (int)LINEAR_UNITS_COUNT; i++)
3224 : {
3225 0 : if (EQUAL(pszUnitName, aoLinearUnitsConv[i].pszName))
3226 : {
3227 0 : return i;
3228 : }
3229 : }
3230 0 : return -1;
3231 : }
3232 :
3233 : /************************************************************************/
3234 : /* GetToMeterIndex() */
3235 : /************************************************************************/
3236 :
3237 0 : int GetToMeterIndex(const char *pszToMeter)
3238 : {
3239 0 : const double dfToMeter = CPLAtof_nz(pszToMeter);
3240 :
3241 0 : if (dfToMeter != 0.0)
3242 : {
3243 0 : for (int i = 0; i < (int)LINEAR_UNITS_COUNT; i++)
3244 : {
3245 0 : if (std::abs(aoLinearUnitsConv[i].dfConv - dfToMeter) < 0.00001)
3246 : {
3247 0 : return i;
3248 : }
3249 : }
3250 : }
3251 :
3252 0 : return -1;
3253 : }
3254 :
3255 : /************************************************************************/
3256 : /* GetUnitDefault() */
3257 : /************************************************************************/
3258 :
3259 0 : char *GetUnitDefault(const char *pszUnitName, const char *pszToMeter)
3260 : {
3261 0 : int nIndex = GetUnitIndex(pszUnitName);
3262 :
3263 0 : if (nIndex == -1 && pszToMeter != nullptr)
3264 : {
3265 0 : nIndex = GetToMeterIndex(pszToMeter);
3266 : }
3267 :
3268 0 : if (nIndex == -1)
3269 : {
3270 0 : return CPLStrdup("Unknown");
3271 : }
3272 :
3273 0 : return CPLStrdup(
3274 0 : aoLinearUnitsConv[aoLinearUnitsConv[nIndex].nDefaultI].pszName);
3275 : }
3276 :
3277 : /************************************************************************/
3278 : /* CSLSaveCRLF() */
3279 : /************************************************************************/
3280 :
3281 : /***
3282 : * Write a stringlist to a CR + LF terminated text file.
3283 : *
3284 : * Returns the number of lines written, or 0 if the file could not
3285 : * be written.
3286 : */
3287 :
3288 46 : int SaveAsCRLF(char **papszStrList, const char *pszFname)
3289 : {
3290 46 : VSILFILE *fp = VSIFOpenL(pszFname, "wt");
3291 46 : int nLines = 0;
3292 :
3293 46 : if (papszStrList)
3294 : {
3295 46 : if (fp != nullptr)
3296 : {
3297 800 : while (*papszStrList != nullptr)
3298 : {
3299 766 : if (VSIFPrintfL(fp, "%s\r\n", *papszStrList) < 1)
3300 : {
3301 10 : CPLError(CE_Failure, CPLE_FileIO,
3302 : "CSLSaveCRLF(\"%s\") failed: unable to write to "
3303 : "output file.",
3304 : pszFname);
3305 10 : break;
3306 : }
3307 :
3308 756 : nLines++;
3309 756 : papszStrList++;
3310 : }
3311 :
3312 44 : VSIFCloseL(fp);
3313 : }
3314 : else
3315 : {
3316 2 : CPLError(CE_Failure, CPLE_OpenFailed,
3317 : "CSLSaveCRLF(\"%s\") failed: unable to open output file.",
3318 : pszFname);
3319 : }
3320 : }
3321 :
3322 46 : return nLines;
3323 : }
3324 :
3325 : /************************************************************************/
3326 : /* GDALRegister_IDRISI() */
3327 : /************************************************************************/
3328 :
3329 1935 : void GDALRegister_IDRISI()
3330 : {
3331 1935 : if (GDALGetDriverByName("RST") != nullptr)
3332 282 : return;
3333 :
3334 1653 : GDALDriver *poDriver = new GDALDriver();
3335 :
3336 1653 : poDriver->SetDescription("RST");
3337 1653 : poDriver->SetMetadataItem(GDAL_DCAP_RASTER, "YES");
3338 1653 : poDriver->SetMetadataItem(GDAL_DMD_LONGNAME, rstVERSION);
3339 1653 : poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC, "drivers/raster/Idrisi.html");
3340 1653 : poDriver->SetMetadataItem(GDAL_DMD_EXTENSION, extRST);
3341 1653 : poDriver->SetMetadataItem(GDAL_DMD_CREATIONDATATYPES, "Byte Int16 Float32");
3342 :
3343 1653 : poDriver->SetMetadataItem(GDAL_DCAP_VIRTUALIO, "YES");
3344 :
3345 1653 : poDriver->pfnOpen = IdrisiDataset::Open;
3346 1653 : poDriver->pfnCreate = IdrisiDataset::Create;
3347 1653 : poDriver->pfnCreateCopy = IdrisiDataset::CreateCopy;
3348 :
3349 1653 : GetGDALDriverManager()->RegisterDriver(poDriver);
3350 : }
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