Line data    Source code

       1             : ///////////////////////////////////////////////////////////////////////////////
       2             : //
       3             : // Project:  C++ Test Suite for GDAL/OGR
       4             : // Purpose:  Test some PROJ.4 specific translation issues.
       5             : //           Ported from osr/osr_proj4.py.
       6             : // Author:   Mateusz Loskot <mateusz@loskot.net>
       7             : //
       8             : ///////////////////////////////////////////////////////////////////////////////
       9             : // Copyright (c) 2006, Mateusz Loskot <mateusz@loskot.net>
      10             : /*
      11             :  * Permission is hereby granted, free of charge, to any person obtaining a
      12             :  * copy of this software and associated documentation files (the "Software"),
      13             :  * to deal in the Software without restriction, including without limitation
      14             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15             :  * and/or sell copies of the Software, and to permit persons to whom the
      16             :  * Software is furnished to do so, subject to the following conditions:
      17             :  *
      18             :  * The above copyright notice and this permission notice shall be included
      19             :  * in all copies or substantial portions of the Software.
      20             :  *
      21             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27             :  * DEALINGS IN THE SOFTWARE.
      28             :  ****************************************************************************/
      29             : 
      30             : #include "gdal_unit_test.h"
      31             : 
      32             : #include "cpl_error.h"
      33             : #include "ogr_api.h"
      34             : #include "ogr_srs_api.h"
      35             : 
      36             : #include <algorithm>
      37             : #include <cmath>
      38             : #include <string>
      39             : 
      40             : #include "gtest_include.h"
      41             : 
      42             : namespace
      43             : {
      44             : 
      45             : // Common fixture with test data
      46             : struct test_osr_proj4 : public ::testing::Test
      47             : {
      48             :     OGRErr err_ = OGRERR_NONE;
      49             :     OGRSpatialReferenceH srs_ = nullptr;
      50             : 
      51           2 :     void SetUp() override
      52             :     {
      53           2 :         srs_ = OSRNewSpatialReference(nullptr);
      54           2 :         ASSERT_TRUE(nullptr != srs_);
      55           2 :         OSRSetAxisMappingStrategy(srs_, OAMS_TRADITIONAL_GIS_ORDER);
      56             :     }
      57             : 
      58           2 :     void TearDown() override
      59             :     {
      60           2 :         OSRDestroySpatialReference(srs_);
      61           2 :         srs_ = nullptr;
      62           2 :     }
      63             : };
      64             : 
      65             : // Test the +k_0 flag works as well as +k when
      66             : // consuming PROJ.4 format
      67           4 : TEST_F(test_osr_proj4, k_0)
      68             : {
      69             :     std::string wkt(
      70             :         "+proj=tmerc +lat_0=53.5000000000 +lon_0=-8.0000000000 "
      71             :         "+k_0=1.0000350000 +x_0=200000.0000000000 +y_0=250000.0000000000 "
      72             :         "+a=6377340.189000 +rf=299.324965 +towgs84=482.530,"
      73           1 :         "-130.596,564.557,-1.042,-0.214,-0.631,8.15");
      74             : 
      75           1 :     err_ = OSRImportFromProj4(srs_, wkt.c_str());
      76           1 :     ASSERT_EQ(err_, OGRERR_NONE);
      77             : 
      78             :     // TODO: Check max error value
      79           1 :     const double maxError = 0.00005;  // 0.0000005
      80           1 :     double val = 0;
      81             : 
      82           1 :     val = OSRGetProjParm(srs_, SRS_PP_SCALE_FACTOR, -1111, &err_);
      83           1 :     ASSERT_EQ(err_, OGRERR_NONE);
      84             : 
      85           1 :     EXPECT_NEAR(val, 1.000035, maxError);
      86             : }
      87             : 
      88             : // Verify that we can import strings with parameter values
      89             : // that are exponents and contain a plus sign
      90           4 : TEST_F(test_osr_proj4, proj_strings_with_exponents)
      91             : {
      92             :     std::string wkt(
      93             :         "+proj=lcc +x_0=0.6096012192024384e+06 +y_0=0 "
      94             :         "+lon_0=90dw +lat_0=42dn +lat_1=44d4'n +lat_2=42d44'n "
      95           1 :         "+a=6378206.400000 +rf=294.978698 +nadgrids=conus,ntv1_can.dat");
      96             : 
      97           1 :     err_ = OSRImportFromProj4(srs_, wkt.c_str());
      98           1 :     ASSERT_EQ(err_, OGRERR_NONE);
      99             : 
     100           1 :     const double maxError = 0.0005;
     101           1 :     double val = 0;
     102             : 
     103           1 :     val = OSRGetProjParm(srs_, SRS_PP_FALSE_EASTING, -1111, &err_);
     104           1 :     ASSERT_EQ(err_, OGRERR_NONE);
     105             : 
     106           1 :     EXPECT_NEAR(val, 609601.219, maxError);
     107             : }
     108             : 
     109             : }  // namespace