Example #1
0
/**
 * LoadMetadata()
 */
void GDALMDReaderResursDK1::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if (!m_osXMLSourceFilename.empty())
    {
        CPLXMLNode* psNode = CPLParseXMLFile(m_osXMLSourceFilename);

        if(psNode != NULL)
        {
            CPLXMLNode* pMSPRootNode = CPLSearchXMLNode(psNode, "=MSP_ROOT");

            if(pMSPRootNode != NULL)
            {
                m_papszIMDMD = ReadXMLToList(pMSPRootNode, m_papszIMDMD, "MSP_ROOT");
            }
            CPLDestroyXMLNode(psNode);
        }
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "MSP");

    m_bIsMetadataLoad = true;

    if(NULL == m_papszIMDMD)
    {
        return;
    }

    //extract imagery metadata
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD, "MSP_ROOT.cCodeKA");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_SATELLITE,
                                           CPLStripQuotes(pszSatId));
    }


    const char* pszDate = CSLFetchNameValue(m_papszIMDMD,
                                            "MSP_ROOT.Normal.dSceneDate");

    if(NULL != pszDate)
    {
        const char* pszTime = CSLFetchNameValue(m_papszIMDMD,
                                         "MSP_ROOT.Normal.tSceneTime");
        if(NULL == pszTime)
            pszTime = "00:00:00.000000";

        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(CPLSPrintf( "%s %s",
                                                     pszDate, pszTime));
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }

    m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                       MD_CLOUDCOVER_NA);
}
Example #2
0
/**
 * LoadMetadata()
 */
void GDALMDReaderRapidEye::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    CPLXMLNode* psNode = CPLParseXMLFile(m_osXMLSourceFilename);

    if(psNode != NULL)
    {
        CPLXMLNode* pRootNode = CPLSearchXMLNode(psNode, "=re:EarthObservation");

        if(pRootNode != NULL)
        {
            m_papszIMDMD = ReadXMLToList(pRootNode->psChild, m_papszIMDMD);
        }
        CPLDestroyXMLNode(psNode);
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "RE");

    m_bIsMetadataLoad = true;

    if(NULL == m_papszIMDMD)
    {
        return;
    }

    //extract imagery metadata
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD,
    "gml:using.eop:EarthObservationEquipment.eop:platform.eop:Platform.eop:serialIdentifier");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId));
    }

    const char* pszDateTime = CSLFetchNameValue(m_papszIMDMD,
    "gml:using.eop:EarthObservationEquipment.eop:acquisitionParameters.re:Acquisition.re:acquisitionDateTime");
    if(NULL != pszDateTime)
    {
        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(pszDateTime);
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }

    const char* pszCC = CSLFetchNameValue(m_papszIMDMD,
    "gml:resultOf.re:EarthObservationResult.opt:cloudCoverPercentage");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_CLOUDCOVER, pszCC);
    }

}
Example #3
0
/**
 * LoadMetadata()
 */
void GDALMDReaderGeoEye::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;        

    if (!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = LoadIMDWktFile( );
    }

    if(!m_osRPBSourceFilename.empty())
    {
        m_papszRPCMD = GDALLoadRPCFile( m_osRPBSourceFilename );
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "GE");
           
    m_bIsMetadataLoad = true;      
    
    if(NULL == m_papszIMDMD)
    {
        return;
    }   
    
    //extract imagery metadata
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD,
                                             "Source Image Metadata.Sensor");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_SATELLITE,
                                           CPLStripQuotes(pszSatId));
    }
        
    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD,
                                   "Source Image Metadata.Percent Cloud Cover");
    if(NULL != pszCloudCover)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_CLOUDCOVER, pszCloudCover);
    }
    
    const char* pszDateTime = CSLFetchNameValue(m_papszIMDMD,
                                 "Source Image Metadata.Acquisition Date/Time");
                                         
    if(NULL != pszDateTime)
    {
        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(pszDateTime);

        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, 
                                           MD_NAME_ACQDATETIME, buffer);
    }  
}
Example #4
0
/**
 * LoadMetadata()
 */
void GDALMDReaderOrbView::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if (!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = GDALLoadIMDFile( m_osIMDSourceFilename );
    }

    if(!m_osRPBSourceFilename.empty())
    {
        m_papszRPCMD = GDALLoadRPCFile( m_osRPBSourceFilename );
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "OV");

    m_bIsMetadataLoad = true;

    if(NULL == m_papszIMDMD)
    {
        return;
    }

    //extract imagery metadata
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD,
                                             "sensorInfo.satelliteName");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_SATELLITE,
                                           CPLStripQuotes(pszSatId));
    }

    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD,
                                   "productInfo.productCloudCoverPercentage");
    if(NULL != pszCloudCover)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_CLOUDCOVER, pszCloudCover);
    }

    const char* pszDateTime = CSLFetchNameValue(m_papszIMDMD,
                                 "inputImageInfo.firstLineAcquisitionDateTime");

    if(NULL != pszDateTime)
    {
        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(pszDateTime);
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }
}
Example #5
0
/**
 * LoadMetadata()
 */
void GDALMDReaderKompsat::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if(!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = ReadTxtToList( );
    }

    if(!m_osRPBSourceFilename.empty())
    {
        m_papszRPCMD = GDALLoadRPCFile( m_osRPBSourceFilename );
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "KARI");

    m_bIsMetadataLoad = true;

    const char* pszSatId1 = CSLFetchNameValue(m_papszIMDMD, "AUX_SATELLITE_NAME");
    const char* pszSatId2 = CSLFetchNameValue(m_papszIMDMD, "AUX_SATELLITE_SENSOR");
    if(NULL != pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                           MD_NAME_SATELLITE, CPLSPrintf( "%s %s",
                           CPLStripQuotes(pszSatId1).c_str(),
                           CPLStripQuotes(pszSatId2).c_str()));
    }
    else if(NULL != pszSatId1 && NULL == pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId1));
    }
    else if(NULL == pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId2));
    }

    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD,
                                                 "AUX_CLOUD_STATUS");
    if(NULL != pszCloudCover)
    {
        int nCC = atoi(pszCloudCover);
        if(nCC > 100 || nCC < 0)
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                               MD_CLOUDCOVER_NA);
        }
        else
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                          MD_NAME_CLOUDCOVER, CPLSPrintf("%d", nCC));
        }
    }

    const char* pszDate = CSLFetchNameValue(m_papszIMDMD,
                                            "AUX_STRIP_ACQ_DATE_UT");
    if(NULL != pszDate)
    {
        const char* pszTime = CSLFetchNameValue(m_papszIMDMD,
                                                "AUX_STRIP_ACQ_START_UT");

        if(NULL == pszTime)
            pszTime = "000000.000000";

        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(CPLSPrintf( "%sT%s",
                                                     pszDate, pszTime));
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }
}
Example #6
0
/**
 * LoadMetadata()
 */
void GDALMDReaderLandsat::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if (!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = GDALLoadIMDFile( m_osIMDSourceFilename );
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "ODL");

    m_bIsMetadataLoad = true;

    // date/time
    // DATE_ACQUIRED = 2013-04-07
    // SCENE_CENTER_TIME = 15:47:03.0882620Z

    // L1_METADATA_FILE.PRODUCT_METADATA.SPACECRAFT_ID
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD,
                            "L1_METADATA_FILE.PRODUCT_METADATA.SPACECRAFT_ID");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_SATELLITE,
                                           CPLStripQuotes(pszSatId));
    }

    // L1_METADATA_FILE.IMAGE_ATTRIBUTES.CLOUD_COVER
    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD,
                            "L1_METADATA_FILE.IMAGE_ATTRIBUTES.CLOUD_COVER");
    if(NULL != pszCloudCover)
    {
        double fCC = CPLAtofM(pszCloudCover);
        if(fCC < 0)
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                               MD_CLOUDCOVER_NA);
        }
        else
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                          MD_NAME_CLOUDCOVER, CPLSPrintf("%d", int(fCC)));
        }
    }

    // L1_METADATA_FILE.PRODUCT_METADATA.ACQUISITION_DATE
    // L1_METADATA_FILE.PRODUCT_METADATA.SCENE_CENTER_SCAN_TIME

    // L1_METADATA_FILE.PRODUCT_METADATA.DATE_ACQUIRED
    // L1_METADATA_FILE.PRODUCT_METADATA.SCENE_CENTER_TIME

    const char* pszDate = CSLFetchNameValue(m_papszIMDMD,
                          "L1_METADATA_FILE.PRODUCT_METADATA.ACQUISITION_DATE");
    if(NULL == pszDate)
    {
        pszDate = CSLFetchNameValue(m_papszIMDMD,
                             "L1_METADATA_FILE.PRODUCT_METADATA.DATE_ACQUIRED");
    }

    if(NULL != pszDate)
    {
        const char* pszTime = CSLFetchNameValue(m_papszIMDMD,
                    "L1_METADATA_FILE.PRODUCT_METADATA.SCENE_CENTER_SCAN_TIME");
        if(NULL == pszTime)
        {
            pszTime = CSLFetchNameValue(m_papszIMDMD,
                         "L1_METADATA_FILE.PRODUCT_METADATA.SCENE_CENTER_TIME");
        }
        if(NULL == pszTime)
            pszTime = "00:00:00.000000Z";

        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(CPLSPrintf( "%sT%s",
                                                     pszDate, pszTime));
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }
}
Example #7
0
/**
 * LoadMetadata()
 */
void GDALMDReaderSpot::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if (!m_osIMDSourceFilename.empty())
    {
        CPLXMLNode* psNode = CPLParseXMLFile(m_osIMDSourceFilename);

        if(psNode != NULL)
        {
            CPLXMLNode* psisdNode = CPLSearchXMLNode(psNode, "=Dimap_Document");

            if(psisdNode != NULL)
            {
                m_papszIMDMD = ReadXMLToList(psisdNode->psChild, m_papszIMDMD);
            }
            CPLDestroyXMLNode(psNode);
        }
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "DIMAP");

    m_bIsMetadataLoad = true;

    if(NULL == m_papszIMDMD)
    {
        return;
    }

    //extract imagery metadata
    int nCounter = -1;
    const char* pszSatId1 = CSLFetchNameValue(m_papszIMDMD,
                  "Dataset_Sources.Source_Information.Scene_Source.MISSION");
    if(NULL == pszSatId1)
    {
        nCounter = 1;
        for(int i = 0; i < 5; i++)
        {
            pszSatId1 = CSLFetchNameValue(m_papszIMDMD,
            CPLSPrintf("Dataset_Sources.Source_Information_%d.Scene_Source.MISSION",
                       nCounter));
            if(NULL != pszSatId1)
                break;
            nCounter++;
        }
    }


    const char* pszSatId2;
    if(nCounter == -1)
        pszSatId2 = CSLFetchNameValue(m_papszIMDMD,
            "Dataset_Sources.Source_Information.Scene_Source.MISSION_INDEX");
    else
        pszSatId2 = CSLFetchNameValue(m_papszIMDMD, CPLSPrintf(
            "Dataset_Sources.Source_Information_%d.Scene_Source.MISSION_INDEX",
            nCounter));

    if(NULL != pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                           MD_NAME_SATELLITE, CPLSPrintf( "%s %s",
                           CPLStripQuotes(pszSatId1).c_str(),
                           CPLStripQuotes(pszSatId2).c_str()));
    }
    else if(NULL != pszSatId1 && NULL == pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId1));
    }
    else if(NULL == pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId2));
    }


    const char* pszDate;
    if(nCounter == -1)
        pszDate = CSLFetchNameValue(m_papszIMDMD,
             "Dataset_Sources.Source_Information.Scene_Source.IMAGING_DATE");
    else
        pszDate = CSLFetchNameValue(m_papszIMDMD, CPLSPrintf(
             "Dataset_Sources.Source_Information_%d.Scene_Source.IMAGING_DATE",
             nCounter));

    if(NULL != pszDate)
    {
        const char* pszTime;
        if(nCounter == -1)
            pszTime = CSLFetchNameValue(m_papszIMDMD,
             "Dataset_Sources.Source_Information.Scene_Source.IMAGING_TIME");
        else
            pszTime = CSLFetchNameValue(m_papszIMDMD, CPLSPrintf(
             "Dataset_Sources.Source_Information_%d.Scene_Source.IMAGING_TIME",
             nCounter));

        if(NULL == pszTime)
            pszTime = "00:00:00.0Z";

        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(CPLSPrintf( "%sT%s",
                                                     pszDate, pszTime));
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }

    m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                       MD_CLOUDCOVER_NA);
}
Example #8
0
/**
 * LoadMetadata()
 */
void GDALMDReaderALOS::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;

    if(!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = CSLLoad(m_osIMDSourceFilename);
    }

    if(!m_osHDRSourceFilename.empty())
    {
        if(NULL == m_papszIMDMD)
        {
            m_papszIMDMD = CSLLoad(m_osHDRSourceFilename);
        }
        else
        {
            char** papszHDR = CSLLoad(m_osHDRSourceFilename);
            m_papszIMDMD = CSLMerge(m_papszIMDMD, papszHDR);
            CSLDestroy(papszHDR);
        }
    }

    m_papszRPCMD = LoadRPCTxtFile();

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "ALOS");

    m_bIsMetadataLoad = true;

    const char* pszSatId1 = CSLFetchNameValue(m_papszIMDMD, "Lbi_Satellite");
    const char* pszSatId2 = CSLFetchNameValue(m_papszIMDMD, "Lbi_Sensor");
    if(NULL != pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                           MD_NAME_SATELLITE, CPLSPrintf( "%s %s",
                           CPLStripQuotes(pszSatId1).c_str(),
                           CPLStripQuotes(pszSatId2).c_str()));
    }
    else if(NULL != pszSatId1 && NULL == pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId1));
    }
    else if(NULL == pszSatId1 && NULL != pszSatId2)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                MD_NAME_SATELLITE, CPLStripQuotes(pszSatId2));
    }


    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD,
                                                 "Img_CloudQuantityOfAllImage");
    if(NULL != pszCloudCover)
    {
        int nCC = atoi(pszCloudCover);
        if(nCC >= 99)
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                               MD_CLOUDCOVER_NA);
        }
        else
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                          MD_NAME_CLOUDCOVER, CPLSPrintf("%d", nCC * 10));
        }
    }

    const char* pszDate = CSLFetchNameValue(m_papszIMDMD,
                                                     "Img_SceneCenterDateTime");

    if(NULL != pszDate)
    {
        char buffer[80];
        time_t timeMid = GetAcquisitionTimeFromString(CPLStripQuotes(pszDate));
        strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME, buffer);
    }
    else
    {
        pszDate = CSLFetchNameValue(m_papszIMDMD, "Lbi_ObservationDate");
        if(NULL != pszDate)
        {
            const char* pszTime = "00:00:00.000";

            char buffer[80];
            time_t timeMid = GetAcquisitionTimeFromString(CPLSPrintf( "%s %s",
                                              CPLStripQuotes(pszDate).c_str(),
                                              CPLStripQuotes(pszTime).c_str()));
            strftime (buffer, 80, MD_DATETIMEFORMAT, localtime(&timeMid));
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                               MD_NAME_ACQDATETIME, buffer);
        }
    }
}
/**
 * LoadMetadata()
 */
void GDALMDReaderDigitalGlobe::LoadMetadata()
{
    if(m_bIsMetadataLoad)
        return;
        
    if (!m_osIMDSourceFilename.empty())
    {
        m_papszIMDMD = GDALLoadIMDFile( m_osIMDSourceFilename );
    }

    if(!m_osRPBSourceFilename.empty())
    {
        m_papszRPCMD = GDALLoadRPBFile( m_osRPBSourceFilename );
    }

    if((NULL == m_papszIMDMD || NULL == m_papszRPCMD) && !m_osXMLSourceFilename.empty())
    { 
        CPLXMLNode* psNode = CPLParseXMLFile(m_osXMLSourceFilename);
       
        if(psNode != NULL)
        {
            CPLXMLNode* psisdNode = psNode->psNext;
            if(psisdNode != NULL)
            {
                if( m_papszIMDMD == NULL )
                    m_papszIMDMD = LoadIMDXmlNode( CPLSearchXMLNode(psisdNode,
                                                                        "IMD") );
                if( m_papszRPCMD == NULL )
                    m_papszRPCMD = LoadRPBXmlNode( CPLSearchXMLNode(psisdNode,
                                                                        "RPB") );
            }
            CPLDestroyXMLNode(psNode);
        }
    }

    m_papszDEFAULTMD = CSLAddNameValue(m_papszDEFAULTMD, MD_NAME_MDTYPE, "DG");
           
    m_bIsMetadataLoad = true;      
    
    if(NULL == m_papszIMDMD)
    {
        return;
    }   
    //extract imagery metadata
    const char* pszSatId = CSLFetchNameValue(m_papszIMDMD, "IMAGE.SATID");
    if(NULL != pszSatId)
    {
        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, 
                                           MD_NAME_SATELLITE,
                                           CPLStripQuotes(pszSatId));
    }
    else
    {
        pszSatId = CSLFetchNameValue(m_papszIMDMD, "IMAGE_1.SATID");
        if(NULL != pszSatId)
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                               MD_NAME_SATELLITE,
                                               CPLStripQuotes(pszSatId));
        }
    }
    
    const char* pszCloudCover = CSLFetchNameValue(m_papszIMDMD, 
                                                  "IMAGE.CLOUDCOVER");
    if(NULL != pszCloudCover)
    {
        double fCC = CPLAtofM(pszCloudCover);
        if(fCC < 0)
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                               MD_CLOUDCOVER_NA);
        }
        else
        {
            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                          MD_NAME_CLOUDCOVER, CPLSPrintf("%d", int(fCC * 100)));
        }
    }
    else
    {
        pszCloudCover = CSLFetchNameValue(m_papszIMDMD, "IMAGE_1.cloudCover");
        if(NULL != pszCloudCover)
        {
            double fCC = CPLAtofM(pszCloudCover);
            if(fCC < 0)
            {
                m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD, MD_NAME_CLOUDCOVER,
                                                   MD_CLOUDCOVER_NA);
            }
            else
            {
                m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                              MD_NAME_CLOUDCOVER, CPLSPrintf("%d", int(fCC * 100)));
            }
        }
    }
    
    const char* pszDateTime = CSLFetchNameValue(m_papszIMDMD,
                                       "IMAGE.FIRSTLINETIME");
    if(NULL != pszDateTime)
    {
        time_t timeStart = GetAcquisitionTimeFromString(pszDateTime);
        char szMidDateTime[80];
        strftime (szMidDateTime, 80, MD_DATETIMEFORMAT, localtime(&timeStart));

        m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                           MD_NAME_ACQDATETIME,
                                           szMidDateTime);
    }
    else
    {
        pszDateTime = CSLFetchNameValue(m_papszIMDMD, "IMAGE_1.firstLineTime");
        if(NULL != pszDateTime)
        {
            time_t timeStart = GetAcquisitionTimeFromString(pszDateTime);
            char szMidDateTime[80];
            strftime (szMidDateTime, 80, MD_DATETIMEFORMAT, localtime(&timeStart));

            m_papszIMAGERYMD = CSLAddNameValue(m_papszIMAGERYMD,
                                               MD_NAME_ACQDATETIME,
                                               szMidDateTime);
        }
    }
}