Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL Core
       4             :  * Purpose:  Read metadata from RapidEye imagery.
       5             :  * Author:   Alexander Lisovenko
       6             :  * Author:   Dmitry Baryshnikov, polimax@mail.ru
       7             :  *
       8             :  ******************************************************************************
       9             :  * Copyright (c) 2014-2015 NextGIS <info@nextgis.ru>
      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 "reader_rapid_eye.h"
      31             : 
      32             : #include <ctime>
      33             : 
      34             : #include "cpl_conv.h"
      35             : #include "cpl_error.h"
      36             : #include "cpl_minixml.h"
      37             : #include "cpl_string.h"
      38             : #include "cpl_time.h"
      39             : 
      40             : /**
      41             :  * GDALMDReaderRapidEye()
      42             :  */
      43        5027 : GDALMDReaderRapidEye::GDALMDReaderRapidEye(const char *pszPath,
      44        5027 :                                            char **papszSiblingFiles)
      45        5027 :     : GDALMDReaderBase(pszPath, papszSiblingFiles)
      46             : {
      47        5027 :     const char *pszDirName = CPLGetDirname(pszPath);
      48        5027 :     const char *pszBaseName = CPLGetBasename(pszPath);
      49             : 
      50             :     std::string osIMDSourceFilename = CPLFormFilename(
      51       10054 :         pszDirName, CPLSPrintf("%s_metadata", pszBaseName), "xml");
      52        5027 :     if (CPLCheckForFile(&osIMDSourceFilename[0], papszSiblingFiles))
      53             :     {
      54           1 :         m_osXMLSourceFilename = std::move(osIMDSourceFilename);
      55             :     }
      56             :     else
      57             :     {
      58             :         osIMDSourceFilename = CPLFormFilename(
      59        5026 :             pszDirName, CPLSPrintf("%s_METADATA", pszBaseName), "XML");
      60        5026 :         if (CPLCheckForFile(&osIMDSourceFilename[0], papszSiblingFiles))
      61             :         {
      62           0 :             m_osXMLSourceFilename = std::move(osIMDSourceFilename);
      63             :         }
      64             :     }
      65             : 
      66        5027 :     if (!m_osXMLSourceFilename.empty())
      67           1 :         CPLDebug("MDReaderRapidEye", "XML Filename: %s",
      68             :                  m_osXMLSourceFilename.c_str());
      69        5027 : }
      70             : 
      71             : /**
      72             :  * ~GDALMDReaderRapidEye()
      73             :  */
      74       10054 : GDALMDReaderRapidEye::~GDALMDReaderRapidEye()
      75             : {
      76       10054 : }
      77             : 
      78             : /**
      79             :  * HasRequiredFiles()
      80             :  */
      81        5027 : bool GDALMDReaderRapidEye::HasRequiredFiles() const
      82             : {
      83             :     // check re:EarthObservation
      84        5028 :     if (!m_osXMLSourceFilename.empty() &&
      85           1 :         GDALCheckFileHeader(m_osXMLSourceFilename, "re:EarthObservation"))
      86           1 :         return true;
      87             : 
      88        5026 :     return false;
      89             : }
      90             : 
      91             : /**
      92             :  * GetMetadataFiles()
      93             :  */
      94           1 : char **GDALMDReaderRapidEye::GetMetadataFiles() const
      95             : {
      96           1 :     char **papszFileList = nullptr;
      97           1 :     if (!m_osXMLSourceFilename.empty())
      98           1 :         papszFileList = CSLAddString(papszFileList, m_osXMLSourceFilename);
      99             : 
     100           1 :     return papszFileList;
     101             : }
     102             : 
     103             : /**
     104             :  * LoadMetadata()
     105             :  */
     106           2 : void GDALMDReaderRapidEye::LoadMetadata()
     107             : {
     108           2 :     if (m_bIsMetadataLoad)
     109           1 :         return;
     110             : 
     111           1 :     CPLXMLNode *psNode = CPLParseXMLFile(m_osXMLSourceFilename);
     112             : 
     113           1 :     if (psNode != nullptr)
     114             :     {
     115             :         CPLXMLNode *pRootNode =
     116           1 :             CPLSearchXMLNode(psNode, "=re:EarthObservation");
     117             : 
     118           1 :         if (pRootNode != nullptr)
     119             :         {
     120           1 :             m_papszIMDMD = ReadXMLToList(pRootNode->psChild, m_papszIMDMD);
     121             :         }
     122           1 :         CPLDestroyXMLNode(psNode);
     123             :     }
     124             : 
     125           1 :     m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "RE");
     126             : 
     127           1 :     m_bIsMetadataLoad = true;
     128             : 
     129           1 :     if (nullptr == m_papszIMDMD)
     130             :     {
     131           0 :         return;
     132             :     }
     133             : 
     134             :     // extract imagery metadata
     135           2 :     const char *pszSatId = CSLFetchNameValue(
     136           1 :         m_papszIMDMD, "gml:using.eop:EarthObservationEquipment.eop:platform."
     137             :                       "eop:Platform.eop:serialIdentifier");
     138           1 :     if (nullptr != pszSatId)
     139             :     {
     140           1 :         m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_SATELLITE,
     141           2 :                                            CPLStripQuotes(pszSatId));
     142             :     }
     143             : 
     144           2 :     const char *pszDateTime = CSLFetchNameValue(
     145           1 :         m_papszIMDMD,
     146             :         "gml:using.eop:EarthObservationEquipment.eop:acquisitionParameters.re:"
     147             :         "Acquisition.re:acquisitionDateTime");
     148           1 :     if (nullptr != pszDateTime)
     149             :     {
     150             :         char buffer[80];
     151           1 :         GIntBig timeMid = GetAcquisitionTimeFromString(pszDateTime);
     152             :         struct tm tmBuf;
     153           1 :         strftime(buffer, 80, MD_DATETIMEFORMAT,
     154           1 :                  CPLUnixTimeToYMDHMS(timeMid, &tmBuf));
     155           1 :         m_papszIMAGERYMD =
     156           1 :             CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_ACQDATETIME, buffer);
     157             :     }
     158             : 
     159           2 :     const char *pszCC = CSLFetchNameValue(
     160           1 :         m_papszIMDMD,
     161             :         "gml:resultOf.re:EarthObservationResult.opt:cloudCoverPercentage");
     162           1 :     if (nullptr != pszSatId)
     163             :     {
     164           1 :         m_papszIMAGERYMD =
     165           1 :             CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER, pszCC);
     166             :     }
     167             : }