C++ GDALCheckDatasetDimensions函数代码示例

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本文整理汇总了C++中GDALCheckDatasetDimensions函数的典型用法代码示例。如果您正苦于以下问题：C++ GDALCheckDatasetDimensions函数的具体用法？C++ GDALCheckDatasetDimensions怎么用？C++ GDALCheckDatasetDimensions使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了GDALCheckDatasetDimensions函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: NWT_GRDDataset

GDALDataset *NWT_GRDDataset::Open( GDALOpenInfo * poOpenInfo )
{
    if( !Identify(poOpenInfo) )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    NWT_GRDDataset *poDS;

    poDS = new NWT_GRDDataset();

    poDS->fp = VSIFOpenL(poOpenInfo->pszFilename, "rb");
    if (poDS->fp == NULL)
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Read the header.                                                */
/* -------------------------------------------------------------------- */
    VSIFSeekL( poDS->fp, 0, SEEK_SET );
    VSIFReadL( poDS->abyHeader, 1, 1024, poDS->fp );
    poDS->pGrd = (NWT_GRID *) malloc(sizeof(NWT_GRID));
    if (!nwt_ParseHeader( poDS->pGrd, (char *) poDS->abyHeader ) ||
        !GDALCheckDatasetDimensions(poDS->pGrd->nXSide, poDS->pGrd->nYSide) )
    {
        delete poDS;
        return NULL;
    }

    poDS->nRasterXSize = poDS->pGrd->nXSide;
    poDS->nRasterYSize = poDS->pGrd->nYSide;

// create a colorTable
  // if( poDS->pGrd->iNumColorInflections > 0 )
  //   poDS->CreateColorTable();
  nwt_LoadColors( poDS->ColorMap, 4096, poDS->pGrd );
/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->SetBand( 1, new NWT_GRDRasterBand( poDS, 1 ) );    //r
    poDS->SetBand( 2, new NWT_GRDRasterBand( poDS, 2 ) );    //g
    poDS->SetBand( 3, new NWT_GRDRasterBand( poDS, 3 ) );    //b
    poDS->SetBand( 4, new NWT_GRDRasterBand( poDS, 4 ) );    //z

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

/* -------------------------------------------------------------------- */
/*      Check for external overviews.                                   */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename, poOpenInfo->papszSiblingFiles );

    return (poDS);
}

开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:60，代码来源:grddataset.cpp

示例2: NWT_GRDDataset

GDALDataset *NWT_GRDDataset::Open( GDALOpenInfo * poOpenInfo )
{
/* -------------------------------------------------------------------- */
/*  Look for the header                                                 */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->fp == NULL || poOpenInfo->nHeaderBytes < 50 )
        return NULL;

    if( poOpenInfo->pabyHeader[0] != 'H' ||
        poOpenInfo->pabyHeader[1] != 'G' ||
        poOpenInfo->pabyHeader[2] != 'P' ||
        poOpenInfo->pabyHeader[3] != 'C' || poOpenInfo->pabyHeader[4] != '1' )
    return NULL;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    NWT_GRDDataset *poDS;

    poDS = new NWT_GRDDataset();

    poDS->fp = poOpenInfo->fp;
    poOpenInfo->fp = NULL;

/* -------------------------------------------------------------------- */
/*      Read the header.                                                */
/* -------------------------------------------------------------------- */
    VSIFSeek( poDS->fp, 0, SEEK_SET );
    VSIFRead( poDS->abyHeader, 1, 1024, poDS->fp );
    poDS->pGrd = (NWT_GRID *) malloc(sizeof(NWT_GRID));
    if (!nwt_ParseHeader( poDS->pGrd, (char *) poDS->abyHeader ) ||
        !GDALCheckDatasetDimensions(poDS->pGrd->nXSide, poDS->pGrd->nYSide) )
    {
        delete poDS;
        return NULL;
    }

    poDS->nRasterXSize = poDS->pGrd->nXSide;
    poDS->nRasterYSize = poDS->pGrd->nYSide;

// create a colorTable
  // if( poDS->pGrd->iNumColorInflections > 0 )
  //   poDS->CreateColorTable();
  nwt_LoadColors( poDS->ColorMap, 4096, poDS->pGrd );
/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->SetBand( 1, new NWT_GRDRasterBand( poDS, 1 ) );    //r
    poDS->SetBand( 2, new NWT_GRDRasterBand( poDS, 2 ) );    //g
    poDS->SetBand( 3, new NWT_GRDRasterBand( poDS, 3 ) );    //b
    poDS->SetBand( 4, new NWT_GRDRasterBand( poDS, 4 ) );    //z

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

    return (poDS);
}

开发者ID:actian-geospatial，项目名称:ogr-ingres，代码行数:60，代码来源:grddataset.cpp

示例3: NWT_GRCDataset

GDALDataset *NWT_GRCDataset::Open( GDALOpenInfo * poOpenInfo )
{
/* -------------------------------------------------------------------- */
/*  Look for the header                                                 */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->fp == NULL || poOpenInfo->nHeaderBytes < 50 )
        return NULL;

    if( poOpenInfo->pabyHeader[0] != 'H' ||
        poOpenInfo->pabyHeader[1] != 'G' ||
        poOpenInfo->pabyHeader[2] != 'P' ||
        poOpenInfo->pabyHeader[3] != 'C' ||
        poOpenInfo->pabyHeader[4] != '8' )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    NWT_GRCDataset *poDS;

    poDS = new NWT_GRCDataset();

    poDS->fp = poOpenInfo->fp;
    poOpenInfo->fp = NULL;

/* -------------------------------------------------------------------- */
/*      Read the header.                                                */
/* -------------------------------------------------------------------- */
    VSIFSeek( poDS->fp, 0, SEEK_SET );
    VSIFRead( poDS->abyHeader, 1, 1024, poDS->fp );
    poDS->pGrd = (NWT_GRID *) malloc( sizeof (NWT_GRID) );

    poDS->pGrd->fp = poDS->fp;

    if (!nwt_ParseHeader( poDS->pGrd, (char *) poDS->abyHeader ) ||
        !GDALCheckDatasetDimensions(poDS->pGrd->nXSide, poDS->pGrd->nYSide) ||
        poDS->pGrd->stClassDict == NULL)
    {
        delete poDS;
        return NULL;
    }

    poDS->nRasterXSize = poDS->pGrd->nXSide;
    poDS->nRasterYSize = poDS->pGrd->nYSide;

/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->SetBand( 1, new NWT_GRCRasterBand( poDS, 1) );    //Class Indexes

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

    return (poDS);
}

开发者ID:actian-geospatial，项目名称:ogr-ingres，代码行数:58，代码来源:grcdataset.cpp

示例4: NWT_GRCDataset

GDALDataset *NWT_GRCDataset::Open( GDALOpenInfo * poOpenInfo )
{
    if( !Identify(poOpenInfo) )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    NWT_GRCDataset *poDS;

    poDS = new NWT_GRCDataset();

    poDS->fp = VSIFOpenL(poOpenInfo->pszFilename, "rb");
    if (poDS->fp == NULL)
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Read the header.                                                */
/* -------------------------------------------------------------------- */
    VSIFSeekL( poDS->fp, 0, SEEK_SET );
    VSIFReadL( poDS->abyHeader, 1, 1024, poDS->fp );
    poDS->pGrd = (NWT_GRID *) malloc( sizeof (NWT_GRID) );

    poDS->pGrd->fp = poDS->fp;

    if (!nwt_ParseHeader( poDS->pGrd, (char *) poDS->abyHeader ) ||
        !GDALCheckDatasetDimensions(poDS->pGrd->nXSide, poDS->pGrd->nYSide) ||
        poDS->pGrd->stClassDict == NULL)
    {
        delete poDS;
        return NULL;
    }

    poDS->nRasterXSize = poDS->pGrd->nXSide;
    poDS->nRasterYSize = poDS->pGrd->nYSide;

/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->SetBand( 1, new NWT_GRCRasterBand( poDS, 1) );    //Class Indexes

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

/* -------------------------------------------------------------------- */
/*      Check for external overviews.                                   */
/* -------------------------------------------------------------------- */
    poDS->oOvManager.Initialize( poDS, poOpenInfo->pszFilename, poOpenInfo->GetSiblingFiles() );

    return (poDS);
}

开发者ID:rashadkm，项目名称:lib_gdal，代码行数:57，代码来源:grcdataset.cpp

示例5: CPLError

GDALDataset* EpsilonDataset::Open(GDALOpenInfo* poOpenInfo)
{
    if (!Identify(poOpenInfo))
        return NULL;

    if( poOpenInfo->eAccess == GA_Update )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "The EPSILON driver does not support update access to existing"
                  " files.\n" );
        return NULL;
    }

    VSILFILE* fp = VSIFOpenL(poOpenInfo->pszFilename, "rb");
    if (fp == NULL)
        return NULL;

    EpsilonDataset* poDS = new EpsilonDataset();
    poDS->fp = fp;

    poDS->nRasterXSize = 0;
    poDS->nRasterYSize = 0;

    int nBandsToAdd = 0;
    if (!poDS->ScanBlocks(&nBandsToAdd))
    {
        delete poDS;
        return NULL;
    }

    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) ||
        !GDALCheckBandCount(nBandsToAdd, FALSE))
    {
        delete poDS;
        return NULL;
    }
    if (!poDS->bRegularTiling)
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "The EPSILON driver does not support reading "
                  "not regularly blocked files.\n" );
        delete poDS;
        return NULL;
    }

    int i;
    for(i=1;i<=nBandsToAdd;i++)
        poDS->SetBand(i, new EpsilonRasterBand(poDS, i));

    if (nBandsToAdd > 1)
        poDS->SetMetadataItem("INTERLEAVE", "PIXEL", "IMAGE_STRUCTURE");

    return poDS;
}

开发者ID:ryandavid，项目名称:rotobox，代码行数:54，代码来源:epsilondataset.cpp

示例6: CPLDebug

RawRasterBand::RawRasterBand( void * fpRaw, vsi_l_offset nImgOffset,
                              int nPixelOffset, int nLineOffset,
                              GDALDataType eDataType, int bNativeOrder,
                              int nXSize, int nYSize, int bIsVSIL, int bOwnsFP )

{
    this->poDS = NULL;
    this->nBand = 1;
    this->eDataType = eDataType;
    this->bIsVSIL = bIsVSIL;
    this->bOwnsFP =bOwnsFP;

    if (bIsVSIL)
    {
        this->fpRaw = NULL;
        this->fpRawL = (VSILFILE*) fpRaw;
    }
    else
    {
        this->fpRaw = (FILE*) fpRaw;
        this->fpRawL = NULL;
    }
    this->nImgOffset = nImgOffset;
    this->nPixelOffset = nPixelOffset;
    this->nLineOffset = nLineOffset;
    this->bNativeOrder = bNativeOrder;


    CPLDebug( "GDALRaw", 
              "RawRasterBand(floating,Off=%d,PixOff=%d,LineOff=%d,%s,%d)\n",
              (unsigned int) nImgOffset, nPixelOffset, nLineOffset, 
              GDALGetDataTypeName(eDataType), bNativeOrder );

/* -------------------------------------------------------------------- */
/*      Treat one scanline as the block size.                           */
/* -------------------------------------------------------------------- */
    nBlockXSize = nXSize;
    nBlockYSize = 1;
    nRasterXSize = nXSize;
    nRasterYSize = nYSize;
    if (!GDALCheckDatasetDimensions(nXSize, nYSize))
    {
        pLineBuffer = NULL;
        return;
    }

/* -------------------------------------------------------------------- */
/*      Initialize other fields, and setup the line buffer.             */
/* -------------------------------------------------------------------- */
    Initialize();
}

开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:51，代码来源:rawdataset.cpp

示例7: CPLGetPath

GDALDataset *SAGADataset::Open( GDALOpenInfo * poOpenInfo )

{
    /* -------------------------------------------------------------------- */
    /*	We assume the user is pointing to the binary (ie. .sdat) file.	    */
    /* -------------------------------------------------------------------- */
    if( !EQUAL(CPLGetExtension( poOpenInfo->pszFilename ), "sdat"))
    {
        return NULL;
    }

    CPLString osPath = CPLGetPath( poOpenInfo->pszFilename );
    CPLString osName = CPLGetBasename( poOpenInfo->pszFilename );
    CPLString osHDRFilename;

    osHDRFilename = CPLFormCIFilename( osPath, osName, ".sgrd" );


    VSILFILE	*fp;

    fp = VSIFOpenL( osHDRFilename, "r" );
    
    if( fp == NULL )
    {
        return NULL;
    }

    /* -------------------------------------------------------------------- */
    /*      Is this file a SAGA header file?  Read a few lines of text      */
    /*      searching for something starting with nrows or ncols.           */
    /* -------------------------------------------------------------------- */
    const char		*pszLine;
    int				nRows = -1, nCols = -1;
    double			dXmin = 0.0, dYmin = 0.0, dCellsize = 0.0, dNoData = 0.0, dZFactor = 0.0;
    int				nLineCount			= 0;
    char			szDataFormat[20]	= "DOUBLE";
    char            szByteOrderBig[10]	= "FALSE";
    char			szTopToBottom[10]	= "FALSE";
    char            **papszHDR			= NULL;
    
	
    while( (pszLine = CPLReadLineL( fp )) != NULL )    
    {
        char	**papszTokens;

        nLineCount++;

        if( nLineCount > 50 || strlen(pszLine) > 1000 )
            break;

        papszHDR = CSLAddString( papszHDR, pszLine );

        papszTokens = CSLTokenizeStringComplex( pszLine, " =", TRUE, FALSE );
        if( CSLCount( papszTokens ) < 2 )
        {		
            CSLDestroy( papszTokens );
            continue;
        }

        if( EQUALN(papszTokens[0],"CELLCOUNT_X",strlen("CELLCOUNT_X")) )
            nCols = atoi(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"CELLCOUNT_Y",strlen("CELLCOUNT_Y")) )
            nRows = atoi(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"POSITION_XMIN",strlen("POSITION_XMIN")) )
            dXmin = CPLAtofM(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"POSITION_YMIN",strlen("POSITION_YMIN")) )
            dYmin = CPLAtofM(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"CELLSIZE",strlen("CELLSIZE")) )
            dCellsize = CPLAtofM(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"NODATA_VALUE",strlen("NODATA_VALUE")) )
            dNoData = CPLAtofM(papszTokens[1]);
        else if( EQUALN(papszTokens[0],"DATAFORMAT",strlen("DATAFORMAT")) )
            strncpy( szDataFormat, papszTokens[1], sizeof(szDataFormat)-1 );
        else if( EQUALN(papszTokens[0],"BYTEORDER_BIG",strlen("BYTEORDER_BIG")) )
            strncpy( szByteOrderBig, papszTokens[1], sizeof(szByteOrderBig)-1 );
        else if( EQUALN(papszTokens[0],"TOPTOBOTTOM",strlen("TOPTOBOTTOM")) )
            strncpy( szTopToBottom, papszTokens[1], sizeof(szTopToBottom)-1 );
        else if( EQUALN(papszTokens[0],"Z_FACTOR",strlen("Z_FACTOR")) )
            dZFactor = CPLAtofM(papszTokens[1]);

        CSLDestroy( papszTokens );
    }

    VSIFCloseL( fp );

    CSLDestroy( papszHDR );

    /* -------------------------------------------------------------------- */
    /*      Did we get the required keywords?  If not we return with        */
    /*      this never having been considered to be a match. This isn't     */
    /*      an error!                                                       */
    /* -------------------------------------------------------------------- */
    if( nRows == -1 || nCols == -1 )
    {
        return NULL;
    }

    if (!GDALCheckDatasetDimensions(nCols, nRows))
    {
        return NULL;
//.........这里部分代码省略.........

开发者ID:Mofangbao，项目名称:node-gdal，代码行数:101，代码来源:sagadataset.cpp

示例8: osOriginalFilename

GDALDataset *HF2Dataset::Open( GDALOpenInfo * poOpenInfo )

{
    CPLString osOriginalFilename(poOpenInfo->pszFilename);

    if (!Identify(poOpenInfo))
        return NULL;

    GDALOpenInfo* poOpenInfoToDelete = NULL;
    /*  GZipped .hf2 files are common, so automagically open them */
    /*  if the /vsigzip/ has not been explicitly passed */
    CPLString osFilename(poOpenInfo->pszFilename);
    if ((EQUAL(CPLGetExtension(poOpenInfo->pszFilename), "hfz") ||
        (strlen(poOpenInfo->pszFilename) > 6 &&
         EQUAL(poOpenInfo->pszFilename + strlen(poOpenInfo->pszFilename) - 6, "hf2.gz"))) &&
         !EQUALN(poOpenInfo->pszFilename, "/vsigzip/", 9))
    {
        osFilename = "/vsigzip/";
        osFilename += poOpenInfo->pszFilename;
        poOpenInfo = poOpenInfoToDelete =
                new GDALOpenInfo(osFilename.c_str(), GA_ReadOnly,
                                 poOpenInfo->GetSiblingFiles());
    }

/* -------------------------------------------------------------------- */
/*      Parse header                                                    */
/* -------------------------------------------------------------------- */

    int nXSize, nYSize;
    memcpy(&nXSize, poOpenInfo->pabyHeader + 6, 4);
    CPL_LSBPTR32(&nXSize);
    memcpy(&nYSize, poOpenInfo->pabyHeader + 10, 4);
    CPL_LSBPTR32(&nYSize);

    GUInt16 nTileSize;
    memcpy(&nTileSize, poOpenInfo->pabyHeader + 14, 2);
    CPL_LSBPTR16(&nTileSize);

    float fVertPres, fHorizScale;
    memcpy(&fVertPres, poOpenInfo->pabyHeader + 16, 4);
    CPL_LSBPTR32(&fVertPres);
    memcpy(&fHorizScale, poOpenInfo->pabyHeader + 20, 4);
    CPL_LSBPTR32(&fHorizScale);

    GUInt32 nExtendedHeaderLen;
    memcpy(&nExtendedHeaderLen, poOpenInfo->pabyHeader + 24, 4);
    CPL_LSBPTR32(&nExtendedHeaderLen);

    delete poOpenInfoToDelete;
    poOpenInfoToDelete = NULL;

    if (nTileSize < 8)
        return NULL;
    if (nXSize <= 0 || nXSize > INT_MAX - nTileSize ||
        nYSize <= 0 || nYSize > INT_MAX - nTileSize)
        return NULL;
    /* To avoid later potential int overflows */
    if (nExtendedHeaderLen > 1024 * 65536)
        return NULL;

    if (!GDALCheckDatasetDimensions(nXSize, nYSize))
    {
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Parse extended blocks                                           */
/* -------------------------------------------------------------------- */

    VSILFILE* fp = VSIFOpenL(osFilename.c_str(), "rb");
    if (fp == NULL)
        return NULL;

    VSIFSeekL(fp, 28, SEEK_SET);

    int bHasExtent = FALSE;
    double dfMinX = 0, dfMaxX = 0, dfMinY = 0, dfMaxY = 0;
    int bHasUTMZone = FALSE;
    GInt16 nUTMZone = 0;
    int bHasEPSGDatumCode = FALSE;
    GInt16 nEPSGDatumCode = 0;
    int bHasEPSGCode = FALSE;
    GInt16 nEPSGCode = 0;
    int bHasRelativePrecision = FALSE;
    float fRelativePrecision = 0;
    char szApplicationName[256];
    szApplicationName[0] = 0;

    GUInt32 nExtendedHeaderOff = 0;
    while(nExtendedHeaderOff < nExtendedHeaderLen)
    {
        char pabyBlockHeader[24];
        VSIFReadL(pabyBlockHeader, 24, 1, fp);

        char szBlockName[16 + 1];
        memcpy(szBlockName, pabyBlockHeader + 4, 16);
        szBlockName[16] = 0;
        GUInt32 nBlockSize;
        memcpy(&nBlockSize, pabyBlockHeader + 20, 4);
        CPL_LSBPTR32(&nBlockSize);
//.........这里部分代码省略.........

开发者ID:MattLatt，项目名称:GDAL_2.0.x_VC，代码行数:101，代码来源:hf2dataset.cpp

示例9: GTXDataset

GDALDataset *GTXDataset::Open( GDALOpenInfo * poOpenInfo )

{
    if( !Identify( poOpenInfo ) )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    GTXDataset *poDS = new GTXDataset();

    poDS->eAccess = poOpenInfo->eAccess;

/* -------------------------------------------------------------------- */
/*      Open the file.                                                  */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->eAccess == GA_ReadOnly )
        poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "rb" );
    else
        poDS->fpImage = VSIFOpenL( poOpenInfo->pszFilename, "rb+" );

    if( poDS->fpImage == NULL )
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Read the header.                                                */
/* -------------------------------------------------------------------- */
    poDS->adfGeoTransform[2] = 0.0;
    poDS->adfGeoTransform[4] = 0.0;

    CPL_IGNORE_RET_VAL(VSIFReadL( poDS->adfGeoTransform+3, 8, 1,
                                  poDS->fpImage ));
    CPL_IGNORE_RET_VAL(VSIFReadL( poDS->adfGeoTransform+0, 8, 1,
                                  poDS->fpImage ));
    CPL_IGNORE_RET_VAL(VSIFReadL( poDS->adfGeoTransform+5, 8, 1,
                                  poDS->fpImage ));
    CPL_IGNORE_RET_VAL(VSIFReadL( poDS->adfGeoTransform+1, 8, 1,
                                  poDS->fpImage ));

    CPL_IGNORE_RET_VAL(VSIFReadL( &(poDS->nRasterYSize), 4, 1, poDS->fpImage ));
    CPL_IGNORE_RET_VAL(VSIFReadL( &(poDS->nRasterXSize), 4, 1, poDS->fpImage ));

    CPL_MSBPTR32( &(poDS->nRasterYSize) );
    CPL_MSBPTR32( &(poDS->nRasterXSize) );

    CPL_MSBPTR64( poDS->adfGeoTransform + 0 );
    CPL_MSBPTR64( poDS->adfGeoTransform + 1 );
    CPL_MSBPTR64( poDS->adfGeoTransform + 3 );
    CPL_MSBPTR64( poDS->adfGeoTransform + 5 );

    poDS->adfGeoTransform[3] +=
        poDS->adfGeoTransform[5] * (poDS->nRasterYSize-1);

    poDS->adfGeoTransform[0] -= poDS->adfGeoTransform[1] * 0.5;
    poDS->adfGeoTransform[3] += poDS->adfGeoTransform[5] * 0.5;

    poDS->adfGeoTransform[5] *= -1;

    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize))
    {
        delete poDS;
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Guess the data type. Since October 1, 2009, it should be        */
/*      Float32. Before it was double.                                  */
/* -------------------------------------------------------------------- */
    CPL_IGNORE_RET_VAL(VSIFSeekL(poDS->fpImage, 0, SEEK_END));
    const vsi_l_offset nSize = VSIFTellL(poDS->fpImage);

    GDALDataType eDT = GDT_Float32;
    if( nSize == 40 + 8 * static_cast<vsi_l_offset>(poDS->nRasterXSize) *
        poDS->nRasterYSize )
        eDT = GDT_Float64;
    const int nDTSize = GDALGetDataTypeSizeBytes(eDT);

/* -------------------------------------------------------------------- */
/*      Create band information object.                                 */
/* -------------------------------------------------------------------- */
    RawRasterBand *poBand = new RawRasterBand(
        poDS, 1, poDS->fpImage,
        (poDS->nRasterYSize-1) * poDS->nRasterXSize*nDTSize + 40,
        nDTSize, poDS->nRasterXSize * -nDTSize,
        eDT,
        !CPL_IS_LSB, TRUE, FALSE );
    poBand->SetNoDataValue( -88.8888 );
    poDS->SetBand( 1, poBand );

/* -------------------------------------------------------------------- */
/*      Initialize any PAM information.                                 */
/* -------------------------------------------------------------------- */
    poDS->SetDescription( poOpenInfo->pszFilename );
    poDS->TryLoadXML();

/* -------------------------------------------------------------------- */
/*      Check for overviews.                                            */
//.........这里部分代码省略.........

开发者ID:ryandavid，项目名称:rotobox，代码行数:101，代码来源:gtxdataset.cpp

示例10: VSIFOpenL


//.........这里部分代码省略.........
    {
        CSLDestroy( papszHeader );
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "The NDF driver does not support update access to existing"
                  " datasets.\n" );
        return NULL;
    }
    
/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    NDFDataset 	*poDS;

    poDS = new NDFDataset();
    poDS->papszHeader = papszHeader;

    poDS->nRasterXSize = atoi(poDS->Get("PIXELS_PER_LINE",""));
    poDS->nRasterYSize = atoi(poDS->Get("LINES_PER_DATA_FILE",""));

/* -------------------------------------------------------------------- */
/*      Create a raw raster band for each file.                         */
/* -------------------------------------------------------------------- */
    int iBand;
    const char* pszBand = CSLFetchNameValue(papszHeader, 
                                        "NUMBER_OF_BANDS_IN_VOLUME");
    if (pszBand == NULL)
    {
        CPLError(CE_Failure, CPLE_AppDefined, "Cannot find band count");
        delete poDS;
        return NULL;
    }
    int nBands = atoi(pszBand);

    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) ||
        !GDALCheckBandCount(nBands, FALSE))
    {
        delete poDS;
        return NULL;
    }

    for( iBand = 0; iBand < nBands; iBand++ )
    {
        char szKey[100];
        CPLString osFilename;

        sprintf( szKey, "BAND%d_FILENAME", iBand+1 );
        osFilename = poDS->Get(szKey,"");

        // NDF1 file do not include the band filenames.
        if( osFilename.size() == 0 )
        {
            char szBandExtension[15];
            sprintf( szBandExtension, "I%d", iBand+1 );
            osFilename = CPLResetExtension( poOpenInfo->pszFilename, 
                                            szBandExtension );
        }
        else
        {      
            CPLString osBasePath = CPLGetPath(poOpenInfo->pszFilename);
            osFilename = CPLFormFilename( osBasePath, osFilename, NULL);
        }

        VSILFILE *fpRaw = VSIFOpenL( osFilename, "rb" );
        if( fpRaw == NULL )
        {
            CPLError( CE_Failure, CPLE_AppDefined,

开发者ID:rashadkm，项目名称:lib_gdal，代码行数:67，代码来源:ndfdataset.cpp

示例11: DTEDOpenEx

GDALDataset *DTEDDataset::Open( GDALOpenInfo * poOpenInfo )

{
    int         i;
    DTEDInfo    *psDTED;

    if (!Identify(poOpenInfo) || poOpenInfo->fpL == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Try opening the dataset.                                        */
/* -------------------------------------------------------------------- */
    VSILFILE* fp = poOpenInfo->fpL;
    poOpenInfo->fpL = NULL;
    psDTED = DTEDOpenEx( fp, poOpenInfo->pszFilename, 
                         (poOpenInfo->eAccess == GA_Update) ? "rb+" : "rb", TRUE );

    if( psDTED == NULL )
        return( NULL );

/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    DTEDDataset         *poDS;

    poDS = new DTEDDataset();
    poDS->SetFileName(poOpenInfo->pszFilename);

    poDS->eAccess = poOpenInfo->eAccess;
    poDS->psDTED = psDTED;

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
    poDS->nRasterXSize = psDTED->nXSize;
    poDS->nRasterYSize = psDTED->nYSize;
    
    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize))
    {
        delete poDS;
        return NULL;
    }
    
/* -------------------------------------------------------------------- */
/*      Create band information objects.                                */
/* -------------------------------------------------------------------- */
    poDS->nBands = 1;
    for( i = 0; i < poDS->nBands; i++ )
        poDS->SetBand( i+1, new DTEDRasterBand( poDS, i+1 ) );

/* -------------------------------------------------------------------- */
/*      Collect any metadata available.                                 */
/* -------------------------------------------------------------------- */
    char *pszValue;

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_UHL );
    poDS->SetMetadataItem( "DTED_VerticalAccuracy_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_VERTACCURACY_ACC );
    poDS->SetMetadataItem( "DTED_VerticalAccuracy_ACC", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_UHL );
    poDS->SetMetadataItem( "DTED_SecurityCode_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_SECURITYCODE_DSI );
    poDS->SetMetadataItem( "DTED_SecurityCode_DSI", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_UHL );
    poDS->SetMetadataItem( "DTED_UniqueRef_UHL", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_UNIQUEREF_DSI );
    poDS->SetMetadataItem( "DTED_UniqueRef_DSI", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_DATA_EDITION );
    poDS->SetMetadataItem( "DTED_DataEdition", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_VERSION );
    poDS->SetMetadataItem( "DTED_MatchMergeVersion", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DATE );
    poDS->SetMetadataItem( "DTED_MaintenanceDate", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MATCHMERGE_DATE );
    poDS->SetMetadataItem( "DTED_MatchMergeDate", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_MAINT_DESCRIPTION );
    poDS->SetMetadataItem( "DTED_MaintenanceDescription", pszValue );
    CPLFree( pszValue );

    pszValue = DTEDGetMetadata( psDTED, DTEDMD_PRODUCER );
//.........这里部分代码省略.........

开发者ID:drownedout，项目名称:datamap，代码行数:101，代码来源:dteddataset.cpp

示例12: VSIFOpenL


//.........这里部分代码省略.........
                CSLDestroy( papszTokens );
                CSLDestroy( papszHDR );
                VSIFCloseL( fp );
                return NULL;
            }
        }
        else if( EQUAL(papszTokens[0],"BYTE_ORDER") )
        {
            // M for MSB, L for LSB
            chByteOrder = (char) toupper(papszTokens[1][0]);
        }
        else if( EQUAL(papszTokens[0],"DATA_OFFSET") )
        {
            nSkipBytes = atoi(papszTokens[1]); // TBD: is this mapping right?
        }

        CSLDestroy( papszTokens );
    }
    
    VSIFCloseL( fp );
    

/* -------------------------------------------------------------------- */
/*      Did we get the required keywords?  If not we return with        */
/*      this never having been considered to be a match. This isn't     */
/*      an error!                                                       */
/* -------------------------------------------------------------------- */
    if( nRows == -1 || nCols == -1 )
    {
        CSLDestroy( papszHDR );
        return NULL;
    }

    if (!GDALCheckDatasetDimensions(nCols, nRows) ||
        !GDALCheckBandCount(nBands, FALSE))
    {
        CSLDestroy( papszHDR );
        return NULL;
    }
    
/* -------------------------------------------------------------------- */
/*      Confirm the requested access is supported.                      */
/* -------------------------------------------------------------------- */
    if( poOpenInfo->eAccess == GA_Update )
    {
        CSLDestroy( papszHDR );
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "The EIR driver does not support update access to existing"
                  " datasets.\n" );
        return NULL;
    }
/* -------------------------------------------------------------------- */
/*      Create a corresponding GDALDataset.                             */
/* -------------------------------------------------------------------- */
    EIRDataset     *poDS;

    poDS = new EIRDataset();

/* -------------------------------------------------------------------- */
/*      Capture some information from the file that is of interest.     */
/* -------------------------------------------------------------------- */
    poDS->nRasterXSize = nCols;
    poDS->nRasterYSize = nRows;
    poDS->papszHDR = papszHDR;

开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:65，代码来源:eirdataset.cpp

示例13: CSLTokenizeStringComplex

GDALDataset *MEMDataset::Open( GDALOpenInfo * poOpenInfo )

{
    char    **papszOptions;

/* -------------------------------------------------------------------- */
/*      Do we have the special filename signature for MEM format        */
/*      description strings?                                            */
/* -------------------------------------------------------------------- */
    if( !EQUALN(poOpenInfo->pszFilename,"MEM:::",6) 
        || poOpenInfo->fp != NULL )
        return NULL;

    papszOptions = CSLTokenizeStringComplex(poOpenInfo->pszFilename+6, ",",
                                            TRUE, FALSE );

/* -------------------------------------------------------------------- */
/*      Verify we have all required fields                              */
/* -------------------------------------------------------------------- */
    if( CSLFetchNameValue( papszOptions, "PIXELS" ) == NULL
        || CSLFetchNameValue( papszOptions, "LINES" ) == NULL
        || CSLFetchNameValue( papszOptions, "DATAPOINTER" ) == NULL )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
              "Missing required field (one of PIXELS, LINES or DATAPOINTER)\n"
              "Unable to access in-memory array." );

        CSLDestroy( papszOptions );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create the new MEMDataset object.                               */
/* -------------------------------------------------------------------- */
    MEMDataset *poDS;

    poDS = new MEMDataset();

    poDS->nRasterXSize = atoi(CSLFetchNameValue(papszOptions,"PIXELS"));
    poDS->nRasterYSize = atoi(CSLFetchNameValue(papszOptions,"LINES"));
    poDS->eAccess = GA_Update;

/* -------------------------------------------------------------------- */
/*      Extract other information.                                      */
/* -------------------------------------------------------------------- */
    const char *pszOption;
    GDALDataType eType;
    int nBands, nPixelOffset, nLineOffset;
    size_t nBandOffset;
    const char *pszDataPointer;
    GByte *pabyData;

    pszOption = CSLFetchNameValue(papszOptions,"BANDS");
    if( pszOption == NULL )
        nBands = 1;
    else
    {
        nBands = atoi(pszOption);
    }

    if (!GDALCheckDatasetDimensions(poDS->nRasterXSize, poDS->nRasterYSize) ||
        !GDALCheckBandCount(nBands, TRUE))
    {
        CSLDestroy( papszOptions );
        delete poDS;
        return NULL;
    }

    pszOption = CSLFetchNameValue(papszOptions,"DATATYPE");
    if( pszOption == NULL )
        eType = GDT_Byte;
    else
    {
        if( atoi(pszOption) > 0 && atoi(pszOption) < GDT_TypeCount )
            eType = (GDALDataType) atoi(pszOption);
        else
        {
            int iType;
            
            eType = GDT_Unknown;
            for( iType = 0; iType < GDT_TypeCount; iType++ )
            {
                if( EQUAL(GDALGetDataTypeName((GDALDataType) iType),
                          pszOption) )
                {
                    eType = (GDALDataType) iType;
                    break;
                }
            }
            
            if( eType == GDT_Unknown )
            {
                CPLError( CE_Failure, CPLE_AppDefined,
                          "DATATYPE=%s not recognised.", 
                          pszOption );
                CSLDestroy( papszOptions );
                delete poDS;
                return NULL;
            }
        }
//.........这里部分代码省略.........

开发者ID:actian-geospatial，项目名称:ogr-ingres，代码行数:101，代码来源:memdataset.cpp

示例14: CPLParseXMLString

GDALDataset *VRTDataset::OpenXML( const char *pszXML, const char *pszVRTPath,
                                  GDALAccess eAccess)

{
 /* -------------------------------------------------------------------- */
 /*      Parse the XML.                                                  */
 /* -------------------------------------------------------------------- */
    CPLXMLNode	*psTree;

    psTree = CPLParseXMLString( pszXML );

    if( psTree == NULL )
        return NULL;

    CPLXMLNode *psRoot = CPLGetXMLNode( psTree, "=VRTDataset" );
    if (psRoot == NULL)
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Missing VRTDataset element." );
        CPLDestroyXMLNode( psTree );
        return NULL;
    }

    if( CPLGetXMLNode( psRoot, "rasterXSize" ) == NULL
        || CPLGetXMLNode( psRoot, "rasterYSize" ) == NULL
        || CPLGetXMLNode( psRoot, "VRTRasterBand" ) == NULL )
    {
        CPLError( CE_Failure, CPLE_AppDefined, 
                  "Missing one of rasterXSize, rasterYSize or bands on"
                  " VRTDataset." );
        CPLDestroyXMLNode( psTree );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Create the new virtual dataset object.                          */
/* -------------------------------------------------------------------- */
    VRTDataset *poDS;
    int nXSize = atoi(CPLGetXMLValue(psRoot,"rasterXSize","0"));
    int nYSize = atoi(CPLGetXMLValue(psRoot,"rasterYSize","0"));
    
    if ( !GDALCheckDatasetDimensions(nXSize, nYSize) )
    {
        CPLDestroyXMLNode( psTree );
        return NULL;
    }

    if( strstr(pszXML,"VRTWarpedDataset") != NULL )
        poDS = new VRTWarpedDataset( nXSize, nYSize );
    else
    {
        poDS = new VRTDataset( nXSize, nYSize );
        poDS->eAccess = eAccess;
    }

    if( poDS->XMLInit( psRoot, pszVRTPath ) != CE_None )
    {
        delete poDS;
        poDS = NULL;
    }

/* -------------------------------------------------------------------- */
/*      Try to return a regular handle on the file.                     */
/* -------------------------------------------------------------------- */
    CPLDestroyXMLNode( psTree );

    return poDS;
}

开发者ID:Joe-xXx，项目名称:gdal，代码行数:68，代码来源:vrtdataset.cpp

示例15: CSLTokenizeString2

int AAIGDataset::ParseHeader(const char *pszHeader, const char *pszDataType)
{
    char **papszTokens = CSLTokenizeString2(pszHeader, " \n\r\t", 0);
    const int nTokens = CSLCount(papszTokens);

    int i = 0;
    if ( (i = CSLFindString(papszTokens, "ncols")) < 0 ||
         i + 1 >= nTokens)
    {
        CSLDestroy(papszTokens);
        return FALSE;
    }
    nRasterXSize = atoi(papszTokens[i + 1]);
    if ( (i = CSLFindString(papszTokens, "nrows")) < 0 ||
         i + 1 >= nTokens)
    {
        CSLDestroy(papszTokens);
        return FALSE;
    }
    nRasterYSize = atoi(papszTokens[i + 1]);

    if (!GDALCheckDatasetDimensions(nRasterXSize, nRasterYSize))
    {
        CSLDestroy(papszTokens);
        return FALSE;
    }

    // TODO(schwehr): Would be good to also factor the file size into the max.
    // TODO(schwehr): Allow the user to disable this check.
    // The driver allocates a panLineOffset array based on nRasterYSize
    constexpr int kMaxDimSize = 10000000;  // 1e7 cells.
    if (nRasterXSize > kMaxDimSize || nRasterYSize > kMaxDimSize)
    {
        CSLDestroy(papszTokens);
        return FALSE;
    }

    double dfCellDX = 0.0;
    double dfCellDY = 0.0;
    if ( (i = CSLFindString(papszTokens, "cellsize")) < 0 )
    {
        int iDX, iDY;
        if( (iDX = CSLFindString(papszTokens, "dx")) < 0 ||
            (iDY = CSLFindString(papszTokens, "dy")) < 0 ||
            iDX + 1 >= nTokens ||
            iDY + 1 >= nTokens )
        {
            CSLDestroy(papszTokens);
            return FALSE;
        }

        dfCellDX = CPLAtofM(papszTokens[iDX + 1]);
        dfCellDY = CPLAtofM(papszTokens[iDY + 1]);
    }
    else
    {
        if (i + 1 >= nTokens)
        {
            CSLDestroy(papszTokens);
            return FALSE;
        }
        dfCellDY = CPLAtofM(papszTokens[i + 1]);
        dfCellDX = dfCellDY;
    }

    int j = 0;
    if ((i = CSLFindString(papszTokens, "xllcorner")) >= 0 &&
        (j = CSLFindString(papszTokens, "yllcorner")) >= 0 &&
        i + 1 < nTokens && j + 1 < nTokens)
    {
        adfGeoTransform[0] = CPLAtofM(papszTokens[i + 1]);

        // Small hack to compensate from insufficient precision in cellsize
        // parameter in datasets of
        // http://ccafs-climate.org/data/A2a_2020s/hccpr_hadcm3
        if ((nRasterXSize % 360) == 0 &&
            fabs(adfGeoTransform[0] - (-180.0)) < 1e-12 &&
            dfCellDX == dfCellDY &&
            fabs(dfCellDX - (3

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C++ GDALCheckDatasetDimensions函数代码示例

示例1: NWT_GRDDataset

示例2: NWT_GRDDataset

示例3: NWT_GRCDataset

示例4: NWT_GRCDataset

示例5: CPLError

示例6: CPLDebug

示例7: CPLGetPath

示例8: osOriginalFilename

示例9: GTXDataset

示例10: VSIFOpenL

示例11: DTEDOpenEx

示例12: VSIFOpenL

示例13: CSLTokenizeStringComplex

示例14: CPLParseXMLString

示例15: CSLTokenizeString2

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tianli/matlab_offscreen: Matlab offscree

win7系统重装系统初始设置的操作方法

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【Deep Learning】两层CNN的MATLAB实现

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

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C++ GDALCheckDatasetDimensions函数代码示例

示例1: NWT_GRDDataset

示例2: NWT_GRDDataset

示例3: NWT_GRCDataset

示例4: NWT_GRCDataset

示例5: CPLError

示例6: CPLDebug

示例7: CPLGetPath

示例8: osOriginalFilename

示例9: GTXDataset

示例10: VSIFOpenL

示例11: DTEDOpenEx

示例12: VSIFOpenL

示例13: CSLTokenizeStringComplex

示例14: CPLParseXMLString

示例15: CSLTokenizeString2

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上一篇：

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solegalli/feature-selection-for-machine-

tianli/matlab_offscreen: Matlab offscree

win7系统重装系统初始设置的操作方法

これがマストドンだ！ 使い方からインスタ

【Deep Learning】两层CNN的MATLAB实现

剪的笔顺,诠释剪的笔画,认识剪的部首

六六分期app的软件客服如何联系？(六六分期

florent37/ViewAnimator: A fluent Android

florent37/Shrine-MaterialDesign2: implem

CVE-2020-36276

SimpleSoftwareIO/simple-sms: Send and re

关于我们

产品与服务

解决方案

139-2527-9053

これがマストドンだ！使い方からインスタ