C++ GDALGetDataTypeName函数代码示例

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本文整理汇总了C++中GDALGetDataTypeName函数的典型用法代码示例。如果您正苦于以下问题：C++ GDALGetDataTypeName函数的具体用法？C++ GDALGetDataTypeName怎么用？C++ GDALGetDataTypeName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GDALGetDataTypeName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: return

double KGDAL2CV::range_cast_inv(const GDALDataType& gdalType,
	const int& cvDepth,
	const double& value)
{
	// uint8 -> uint8
	if (gdalType == GDT_Byte && cvDepth == CV_8U){
		return value;
	}
	// uint16 -> uint8
	if (gdalType == GDT_Byte && (cvDepth == CV_16U || cvDepth == CV_16S)){
		return std::floor(value / 256.f);
	}

	// uint32 -> uint8
	if (gdalType == GDT_Byte && (cvDepth == CV_32F || cvDepth == CV_32S)){
		return std::floor(value / 16777216.f);
	}

	// int8 -> uint16
	if ((gdalType == GDT_UInt16 || gdalType == GDT_Int16) && cvDepth == CV_8U){
		return (value * 256.f);
	}

	// int16 -> int16
	if ((gdalType == GDT_UInt16 || gdalType == GDT_Int16) &&
		(cvDepth == CV_16U || cvDepth == CV_16S)){
		return value;
	}

	// float32 -> float32
	// float64 -> float64
	if ((gdalType == GDT_Float32 || gdalType == GDT_Float64) &&
		(cvDepth == CV_32F || cvDepth == CV_64F)){
		return value;
	}

	std::cout << GDALGetDataTypeName(gdalType) << std::endl;
	std::cout << "warning: unknown range cast requested." << std::endl;
	return (value);
}

开发者ID:PlainSailing，项目名称:GDAL2CV，代码行数:40，代码来源:gdal2cv.cpp

示例2: CPLCreateXMLNode

CPLXMLNode *VRTDerivedRasterBand::SerializeToXML(const char *pszVRTPath)
{
    CPLXMLNode *psTree;

    psTree = VRTSourcedRasterBand::SerializeToXML( pszVRTPath );

/* -------------------------------------------------------------------- */
/*      Set subclass.                                                   */
/* -------------------------------------------------------------------- */
    CPLCreateXMLNode( 
        CPLCreateXMLNode( psTree, CXT_Attribute, "subClass" ), 
        CXT_Text, "VRTDerivedRasterBand" );

    /* ---- Encode DerivedBand-specific fields ---- */
    if( pszFuncName != NULL && strlen(pszFuncName) > 0 )
        CPLSetXMLValue(psTree, "PixelFunctionType", this->pszFuncName);
    if( this->eSourceTransferType != GDT_Unknown)
        CPLSetXMLValue(psTree, "SourceTransferType", 
		       GDALGetDataTypeName(this->eSourceTransferType));

    return psTree;
}

开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:22，代码来源:vrtderivedrasterband.cpp

示例3: CPLError

GDALDataset *SAGADataset::Create( const char * pszFilename,
				  int nXSize, int nYSize, int nBands,
				  GDALDataType eType,
				  char **papszParmList )

{
    if( nXSize <= 0 || nYSize <= 0 )
    {
        CPLError( CE_Failure, CPLE_IllegalArg,
                  "Unable to create grid, both X and Y size must be "
                  "non-negative.\n" );

        return NULL;
    }
    
    if( nBands != 1 )
    {
        CPLError( CE_Failure, CPLE_IllegalArg,
                  "SAGA Binary Grid only supports 1 band" );
        return NULL;
    }

    if( eType != GDT_Byte && eType != GDT_UInt16 && eType != GDT_Int16
        && eType != GDT_UInt32 && eType != GDT_Int32 && eType != GDT_Float32
        && eType != GDT_Float64 )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
		  "SAGA Binary Grid only supports Byte, UInt16, Int16, "
		  "UInt32, Int32, Float32 and Float64 datatypes.  Unable to "
		  "create with type %s.\n", GDALGetDataTypeName( eType ) );

        return NULL;
    }

    VSILFILE *fp = VSIFOpenL( pszFilename, "w+b" );

    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file '%s' failed.\n",
                  pszFilename );
        return NULL;
    }
    
    char abyNoData[8];
    double dfNoDataVal = 0.0;

    const char* pszNoDataValue = CSLFetchNameValue(papszParmList, "NODATA_VALUE");
    if (pszNoDataValue)
    {
        dfNoDataVal = CPLAtofM(pszNoDataValue);
    }
    else
    {
      switch (eType)	/* GDT_Byte, GDT_UInt16, GDT_Int16, GDT_UInt32  */
      {				/* GDT_Int32, GDT_Float32, GDT_Float64 */
        case (GDT_Byte):
        {
            dfNoDataVal = SG_NODATA_GDT_Byte;
            break;
        }
        case (GDT_UInt16):
        {
            dfNoDataVal = SG_NODATA_GDT_UInt16;
            break;
        }
        case (GDT_Int16):
        {
            dfNoDataVal = SG_NODATA_GDT_Int16;
            break;
        }
        case (GDT_UInt32):
        {
            dfNoDataVal = SG_NODATA_GDT_UInt32;
            break;
        }
        case (GDT_Int32):
        {
            dfNoDataVal = SG_NODATA_GDT_Int32;
            break;
        }
        default:
        case (GDT_Float32):
        {
            dfNoDataVal = SG_NODATA_GDT_Float32;
            break;
        }
        case (GDT_Float64):
        {
            dfNoDataVal = SG_NODATA_GDT_Float64;
            break;
        }
      }
    }

    GDALCopyWords(&dfNoDataVal, GDT_Float64, 0,
                  abyNoData, eType, 0, 1);

    CPLString osHdrFilename = CPLResetExtension( pszFilename, "sgrd" );
    CPLErr eErr = WriteHeader( osHdrFilename, eType,
//.........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4: CPLError

GDALDataset *
WEBPDataset::CreateCopy( const char * pszFilename, GDALDataset *poSrcDS,
                        int bStrict, char ** papszOptions,
                        GDALProgressFunc pfnProgress, void * pProgressData )

{
    int  nBands = poSrcDS->GetRasterCount();
    int  nXSize = poSrcDS->GetRasterXSize();
    int  nYSize = poSrcDS->GetRasterYSize();

/* -------------------------------------------------------------------- */
/*      WEBP library initialization                                     */
/* -------------------------------------------------------------------- */

    WebPPicture sPicture;
    if (!WebPPictureInit(&sPicture))
    {
        CPLError(CE_Failure, CPLE_AppDefined, "WebPPictureInit() failed");
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Some some rudimentary checks                                    */
/* -------------------------------------------------------------------- */

    if( nXSize > 16383 || nYSize > 16383 )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "WEBP maximum image dimensions are 16383 x 16383.");

        return NULL;
    }

    if( nBands != 3
#if WEBP_ENCODER_ABI_VERSION >= 0x0100
        && nBands != 4
#endif
        )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "WEBP driver doesn't support %d bands. Must be 3 (RGB) "
#if WEBP_ENCODER_ABI_VERSION >= 0x0100
                  "or 4 (RGBA) "
#endif
                  "bands.",
                  nBands );

        return NULL;
    }

    GDALDataType eDT = poSrcDS->GetRasterBand(1)->GetRasterDataType();

    if( eDT != GDT_Byte )
    {
        CPLError( (bStrict) ? CE_Failure : CE_Warning, CPLE_NotSupported,
                  "WEBP driver doesn't support data type %s. "
                  "Only eight bit byte bands supported.",
                  GDALGetDataTypeName(
                      poSrcDS->GetRasterBand(1)->GetRasterDataType()) );

        if (bStrict)
            return NULL;
    }

/* -------------------------------------------------------------------- */
/*      What options has the user selected?                             */
/* -------------------------------------------------------------------- */
    float fQuality = 75.0f;
    const char* pszQUALITY = CSLFetchNameValue(papszOptions, "QUALITY"); 
    if( pszQUALITY != NULL )
    {
        fQuality = (float) CPLAtof(pszQUALITY);
        if( fQuality < 0.0f || fQuality > 100.0f )
        {
            CPLError( CE_Failure, CPLE_IllegalArg,
                      "%s=%s is not a legal value.", "QUALITY", pszQUALITY);
            return NULL;
        }
    }

    WebPPreset nPreset = WEBP_PRESET_DEFAULT;
    const char* pszPRESET = CSLFetchNameValueDef(papszOptions, "PRESET", "DEFAULT");
    if (EQUAL(pszPRESET, "DEFAULT"))
        nPreset = WEBP_PRESET_DEFAULT;
    else if (EQUAL(pszPRESET, "PICTURE"))
        nPreset = WEBP_PRESET_PICTURE;
    else if (EQUAL(pszPRESET, "PHOTO"))
        nPreset = WEBP_PRESET_PHOTO;
    else if (EQUAL(pszPRESET, "PICTURE"))
        nPreset = WEBP_PRESET_PICTURE;
    else if (EQUAL(pszPRESET, "DRAWING"))
        nPreset = WEBP_PRESET_DRAWING;
    else if (EQUAL(pszPRESET, "ICON"))
        nPreset = WEBP_PRESET_ICON;
    else if (EQUAL(pszPRESET, "TEXT"))
        nPreset = WEBP_PRESET_TEXT;
    else
    {
        CPLError( CE_Failure, CPLE_IllegalArg,
                  "%s=%s is not a legal value.", "PRESET", pszPRESET );
//.........这里部分代码省略.........

开发者ID:AbdelghaniDr，项目名称:mirror，代码行数:101，代码来源:webpdataset.cpp

示例5: 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6: main

int main( int argc, char ** argv )

{
    GDALDatasetH	hDataset, hOutDS;
    int			i;
    const char		*pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
    GDALDriverH		hDriver;
    GDALDataType	eOutputType = GDT_Unknown;
    char                **papszCreateOptions = NULL;
    GDALProgressFunc    pfnProgress = GDALTermProgress;
    int                 nLUTBins = 256;
    const char         *pszMethod = "minmax";
//    double              dfStdDevMult = 0.0;
    double             *padfScaleMin = NULL;
    double             *padfScaleMax = NULL;
    int               **papanLUTs = NULL;
    int                 iBand;
    const char         *pszConfigFile = NULL;

    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(argv[0]))
        exit(1);
/* -------------------------------------------------------------------- */
/*      Register standard GDAL drivers, and process generic GDAL        */
/*      command options.                                                */
/* -------------------------------------------------------------------- */
    GDALAllRegister();
    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Handle command line arguments.                                  */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i],"-of") && i < argc-1 )
            pszFormat = argv[++i];

        else if( EQUAL(argv[i],"-ot") && i < argc-1 )
        {
            int	iType;
            
            for( iType = 1; iType < GDT_TypeCount; iType++ )
            {
                if( GDALGetDataTypeName((GDALDataType)iType) != NULL
                    && EQUAL(GDALGetDataTypeName((GDALDataType)iType),
                             argv[i+1]) )
                {
                    eOutputType = (GDALDataType) iType;
                }
            }

            if( eOutputType == GDT_Unknown )
            {
                printf( "Unknown output pixel type: %s\n", argv[i+1] );
                Usage();
                GDALDestroyDriverManager();
                exit( 2 );
            }
            i++;
        }

        else if( EQUALN(argv[i],"-s_nodata",9) )
        {
            // TODO
            i += 1;
        }   

        else if( EQUAL(argv[i],"-co") && i < argc-1 )
        {
            papszCreateOptions = CSLAddString( papszCreateOptions, argv[++i] );
        }   

        else if( EQUALN(argv[i],"-src_scale",10) && i < argc-2)
        {
            // TODO
            i += 2;
        }

        else if( EQUALN(argv[i],"-dst_scale",10) && i < argc-2 )
        {
            // TODO
            i += 2;
        }

        else if( EQUAL(argv[i],"-config") && i < argc-1 )
        {
            pszConfigFile = argv[++i];
        }

        else if( EQUAL(argv[i],"-equalize") )
        {
            pszMethod = "equalize";
//.........这里部分代码省略.........

开发者ID:brunosimoes，项目名称:WorldWind，代码行数:101，代码来源:gdalenhance.cpp

示例7: CSLFetchNameValue

GDALDataset *PAuxDataset::Create( const char * pszFilename,
                                  int nXSize, int nYSize, int nBands,
                                  GDALDataType eType,
                                  char **papszOptions )

{
    const char *pszInterleave = CSLFetchNameValue( papszOptions, "INTERLEAVE" );
    if( pszInterleave == NULL )
        pszInterleave = "BAND";

/* -------------------------------------------------------------------- */
/*      Verify input options.                                           */
/* -------------------------------------------------------------------- */
    if( eType != GDT_Byte && eType != GDT_Float32 && eType != GDT_UInt16
        && eType != GDT_Int16 )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
              "Attempt to create PCI .Aux labelled dataset with an illegal\n"
              "data type (%s).\n",
              GDALGetDataTypeName(eType) );

        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Sum the sizes of the band pixel types.                          */
/* -------------------------------------------------------------------- */
    int nPixelSizeSum = 0;

    for( int iBand = 0; iBand < nBands; iBand++ )
        nPixelSizeSum += (GDALGetDataTypeSize(eType)/8);

/* -------------------------------------------------------------------- */
/*      Try to create the file.                                         */
/* -------------------------------------------------------------------- */
    VSILFILE *fp = VSIFOpenL( pszFilename, "w" );
    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file `%s' failed.\n",
                  pszFilename );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Just write out a couple of bytes to establish the binary        */
/*      file, and then close it.                                        */
/* -------------------------------------------------------------------- */
    CPL_IGNORE_RET_VAL(VSIFWriteL( reinterpret_cast<void *>( const_cast<char *>( "\0\0" ) ),
                2, 1, fp ));
    CPL_IGNORE_RET_VAL(VSIFCloseL( fp ));

/* -------------------------------------------------------------------- */
/*      Create the aux filename.                                        */
/* -------------------------------------------------------------------- */
    char *pszAuxFilename = reinterpret_cast<char *>(
        CPLMalloc( strlen( pszFilename ) + 5 ) );
    strcpy( pszAuxFilename, pszFilename );;

    for( int i = static_cast<int>(strlen(pszAuxFilename))-1; i > 0; i-- )
    {
        if( pszAuxFilename[i] == '.' )
        {
            pszAuxFilename[i] = '\0';
            break;
        }
    }

    strcat( pszAuxFilename, ".aux" );

/* -------------------------------------------------------------------- */
/*      Open the file.                                                  */
/* -------------------------------------------------------------------- */
    fp = VSIFOpenL( pszAuxFilename, "wt" );
    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file `%s' failed.\n",
                  pszAuxFilename );
        return NULL;
    }
    CPLFree( pszAuxFilename );

/* -------------------------------------------------------------------- */
/*      We need to write out the original filename but without any      */
/*      path components in the AuxilaryTarget line.  Do so now.         */
/* -------------------------------------------------------------------- */
    int iStart = static_cast<int>(strlen(pszFilename))-1;
    while( iStart > 0 && pszFilename[iStart-1] != '/'
           && pszFilename[iStart-1] != '\\' )
        iStart--;

    CPL_IGNORE_RET_VAL(VSIFPrintfL( fp, "AuxilaryTarget: %s\n", pszFilename + iStart ));

/* -------------------------------------------------------------------- */
/*      Write out the raw definition for the dataset as a whole.        */
/* -------------------------------------------------------------------- */
    CPL_IGNORE_RET_VAL(VSIFPrintfL( fp, "RawDefinition: %d %d %d\n",
                nXSize, nYSize, nBands ));

//.........这里部分代码省略.........

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

示例8: CPLError

GDALDataset *GTXDataset::Create( const char * pszFilename,
                                 int nXSize,
                                 int nYSize,
                                 int /* nBands */,
                                 GDALDataType eType,
                                 char ** /* papszOptions */ )
{
    if( eType != GDT_Float32 )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Attempt to create gtx file with unsupported data type '%s'.",
                  GDALGetDataTypeName( eType ) );
        return NULL;
    }

    if( !EQUAL(CPLGetExtension(pszFilename),"gtx") )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
                  "Attempt to create gtx file with extension other than gtx." );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Try to create the file.                                         */
/* -------------------------------------------------------------------- */
    VSILFILE *fp = VSIFOpenL( pszFilename, "wb" );
    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file `%s' failed.\n",
                  pszFilename );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Write out the header with stub georeferencing.                  */
/* -------------------------------------------------------------------- */

    unsigned char header[40] = { '\0' };
    double dfYOrigin = 0.0;
    memcpy( header + 0, &dfYOrigin, 8 );
    CPL_MSBPTR64( header + 0 );

    double dfXOrigin = 0.0;
    memcpy( header + 8, &dfXOrigin, 8 );
    CPL_MSBPTR64( header + 8 );

    double dfYSize = 0.01;
    memcpy( header + 16, &dfYSize, 8 );
    CPL_MSBPTR64( header + 16 );

    double dfXSize = 0.01;
    memcpy( header + 24, &dfXSize, 8 );
    CPL_MSBPTR64( header + 24 );

    GInt32 nYSize32 = nYSize;
    memcpy( header + 32, &nYSize32, 4 );
    CPL_MSBPTR32( header + 32 );

    GInt32 nXSize32 = nXSize;
    memcpy( header + 36, &nXSize32, 4 );
    CPL_MSBPTR32( header + 36 );

    CPL_IGNORE_RET_VAL(VSIFWriteL( header, 40, 1, fp ));
    CPL_IGNORE_RET_VAL(VSIFCloseL( fp ));

    return reinterpret_cast<GDALDataset *>(
        GDALOpen( pszFilename, GA_Update ) );
}

开发者ID:ryandavid，项目名称:rotobox，代码行数:69，代码来源:gtxdataset.cpp

示例9: BSBCreateCopy

static GDALDataset *
BSBCreateCopy( const char * pszFilename, GDALDataset *poSrcDS, 
               int bStrict, char ** papszOptions, 
               GDALProgressFunc pfnProgress, void * pProgressData )

{
    int  nBands = poSrcDS->GetRasterCount();
    int  nXSize = poSrcDS->GetRasterXSize();
    int  nYSize = poSrcDS->GetRasterYSize();

/* -------------------------------------------------------------------- */
/*      Some some rudimentary checks                                    */
/* -------------------------------------------------------------------- */
    if( nBands != 1 )
    {
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "BSB driver only supports one band images.\n" );

        return NULL;
    }

    if( poSrcDS->GetRasterBand(1)->GetRasterDataType() != GDT_Byte 
        && bStrict )
    {
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "BSB driver doesn't support data type %s. "
                  "Only eight bit bands supported.\n", 
                  GDALGetDataTypeName( 
                      poSrcDS->GetRasterBand(1)->GetRasterDataType()) );

        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Open the output file.                                           */
/* -------------------------------------------------------------------- */
    BSBInfo *psBSB;

    psBSB = BSBCreate( pszFilename, 0, 200, nXSize, nYSize );
    if( psBSB == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Prepare initial color table.colortable.                         */
/* -------------------------------------------------------------------- */
    GDALRasterBand	*poBand = poSrcDS->GetRasterBand(1);
    int			iColor;
    unsigned char       abyPCT[771];
    int                 nPCTSize;
    int                 anRemap[256];

    abyPCT[0] = 0;
    abyPCT[1] = 0;
    abyPCT[2] = 0;

    if( poBand->GetColorTable() == NULL )
    {
        /* map greyscale down to 63 grey levels. */
        for( iColor = 0; iColor < 256; iColor++ )
        {
            int nOutValue = (int) (iColor / 4.1) + 1;

            anRemap[iColor] = nOutValue;
            abyPCT[nOutValue*3 + 0] = (unsigned char) iColor;
            abyPCT[nOutValue*3 + 1] = (unsigned char) iColor;
            abyPCT[nOutValue*3 + 2] = (unsigned char) iColor;
        }
        nPCTSize = 64;
    }
    else
    {
        GDALColorTable	*poCT = poBand->GetColorTable();
        int nColorTableSize = poCT->GetColorEntryCount();
        if (nColorTableSize > 255)
            nColorTableSize = 255;

        for( iColor = 0; iColor < nColorTableSize; iColor++ )
        {
            GDALColorEntry	sEntry;

            poCT->GetColorEntryAsRGB( iColor, &sEntry );

            anRemap[iColor] = iColor + 1;
            abyPCT[(iColor+1)*3 + 0] = (unsigned char) sEntry.c1;
            abyPCT[(iColor+1)*3 + 1] = (unsigned char) sEntry.c2;
            abyPCT[(iColor+1)*3 + 2] = (unsigned char) sEntry.c3;
        }

        nPCTSize = nColorTableSize + 1;

        // Add entries for pixel values which apparently will not occur.
        for( iColor = nPCTSize; iColor < 256; iColor++ )
            anRemap[iColor] = 1;
    }

/* -------------------------------------------------------------------- */
/*      Boil out all duplicate entries.                                 */
/* -------------------------------------------------------------------- */
    int  i;

//.........这里部分代码省略.........

开发者ID:samalone，项目名称:gdal-ios，代码行数:101，代码来源:bsbdataset.cpp

示例10: TerragenDataset

GDALDataset* TerragenDataset::Create
(
	const char* pszFilename,
    int nXSize, int nYSize, int nBands,
    GDALDataType eType, char** papszOptions 
)
{
    TerragenDataset* poDS = new TerragenDataset();

    poDS->eAccess = GA_Update;
	
	poDS->m_pszFilename = CPLStrdup(pszFilename);

	// -------------------------------------------------------------------- 
	//      Verify input options.                                           
	// -------------------------------------------------------------------- 
    const char* pszValue = CSLFetchNameValue( 
		papszOptions,"MINUSERPIXELVALUE");
    if( pszValue != NULL )
        poDS->m_dLogSpan[0] = atof( pszValue );

    pszValue = CSLFetchNameValue( 
		papszOptions,"MAXUSERPIXELVALUE");
    if( pszValue != NULL )
        poDS->m_dLogSpan[1] = atof( pszValue );


	if( poDS->m_dLogSpan[1] <= poDS->m_dLogSpan[0] )
	{
        CPLError( CE_Failure, CPLE_AppDefined,
              "Inverted, flat, or unspecified span for Terragen file." );

		delete poDS;
        return NULL;
	}

    if( eType != GDT_Float32 )
    {
        CPLError( CE_Failure, CPLE_AppDefined,
              "Attempt to create Terragen dataset with a non-float32\n"
              "data type (%s).\n",
              GDALGetDataTypeName(eType) );

		delete poDS;
        return NULL;
    }


    if( nBands != 1 )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "Terragen driver doesn't support %d bands. Must be 1.\n",
                  nBands );

		delete poDS;
        return NULL;
    }


// -------------------------------------------------------------------- 
//      Try to create the file.                                         
// -------------------------------------------------------------------- 
    

    poDS->m_fp = VSIFOpenL( pszFilename, "wb+" );

    if( poDS->m_fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file `%s' failed.\n",
                  pszFilename );
		delete poDS;
        return NULL;
    }

    poDS->nRasterXSize = nXSize;
    poDS->nRasterYSize = nYSize;

    // Don't bother writing the header here; the first 
	// call to IWriteBlock will do that instead, since 
	// the elevation data's location depends on the
	// header size.


// -------------------------------------------------------------------- 
//      Instance a band.                                                
// -------------------------------------------------------------------- 
    poDS->SetBand( 1, new TerragenRasterBand( poDS ) );
	 

    //VSIFClose( poDS->m_fp );

    //return (GDALDataset *) GDALOpen( pszFilename, GA_Update );
    return (GDALDataset *) poDS;

}

开发者ID:brunosimoes，项目名称:WorldWind，代码行数:96，代码来源:terragendataset.cpp

示例11: main

int main( int argc, char ** argv )
{
    GDALDriverH     hDriver;
    const char      *pszSource=NULL, *pszDest=NULL, *pszFormat = "GTiff";
    int             bFormatExplicitelySet = FALSE;
    char            **papszLayers = NULL;
    const char      *pszBurnAttribute = NULL;
    double          dfIncreaseBurnValue = 0.0;
    double          dfMultiplyBurnValue = 1.0;
    const char      *pszWHERE = NULL, *pszSQL = NULL;
    GDALDataType    eOutputType = GDT_Float64;
    char            **papszCreateOptions = NULL;
    GUInt32         nXSize = 0, nYSize = 0;
    double          dfXMin = 0.0, dfXMax = 0.0, dfYMin = 0.0, dfYMax = 0.0;
    int             bIsXExtentSet = FALSE, bIsYExtentSet = FALSE;
    GDALGridAlgorithm eAlgorithm = GGA_InverseDistanceToAPower;
    void            *pOptions = NULL;
    char            *pszOutputSRS = NULL;
    int             bQuiet = FALSE;
    GDALProgressFunc pfnProgress = GDALTermProgress;
    int             i;
    OGRGeometry     *poSpatialFilter = NULL;
    int             bClipSrc = FALSE;
    OGRGeometry     *poClipSrc = NULL;
    const char      *pszClipSrcDS = NULL;
    const char      *pszClipSrcSQL = NULL;
    const char      *pszClipSrcLayer = NULL;
    const char      *pszClipSrcWhere = NULL;

    /* Check strict compilation and runtime library version as we use C++ API */
    if (! GDAL_CHECK_VERSION(argv[0]))
        exit(1);

    GDALAllRegister();
    OGRRegisterAll();

    argc = GDALGeneralCmdLineProcessor( argc, &argv, 0 );
    if( argc < 1 )
        exit( -argc );

/* -------------------------------------------------------------------- */
/*      Parse arguments.                                                */
/* -------------------------------------------------------------------- */
    for( i = 1; i < argc; i++ )
    {
        if( EQUAL(argv[i], "--utility_version") )
        {
            printf("%s was compiled against GDAL %s and is running against GDAL %s\n",
                   argv[0], GDAL_RELEASE_NAME, GDALVersionInfo("RELEASE_NAME"));
            return 0;
        }
        else if( EQUAL(argv[i],"--help") )
            Usage();
        else if( EQUAL(argv[i],"-of") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            pszFormat = argv[++i];
            bFormatExplicitelySet = TRUE;
        }

        else if( EQUAL(argv[i],"-q") || EQUAL(argv[i],"-quiet") )
        {
            bQuiet = TRUE;
            pfnProgress = GDALDummyProgress;
        }

        else if( EQUAL(argv[i],"-ot") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(1);
            int	iType;
            
            for( iType = 1; iType < GDT_TypeCount; iType++ )
            {
                if( GDALGetDataTypeName((GDALDataType)iType) != NULL
                    && EQUAL(GDALGetDataTypeName((GDALDataType)iType),
                             argv[i+1]) )
                {
                    eOutputType = (GDALDataType) iType;
                }
            }

            if( eOutputType == GDT_Unknown )
            {
                Usage(CPLSPrintf("Unknown output pixel type: %s.",
                                 argv[i + 1] ));
            }
            i++;
        }

        else if( EQUAL(argv[i],"-txe") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
            dfXMin = atof(argv[++i]);
            dfXMax = atof(argv[++i]);
            bIsXExtentSet = TRUE;
        }   

        else if( EQUAL(argv[i],"-tye") )
        {
            CHECK_HAS_ENOUGH_ADDITIONAL_ARGS(2);
//.........这里部分代码省略.........

开发者ID:GeospatialDaryl，项目名称:VS2013__00_GDAL_111_x64，代码行数:101，代码来源:gdal_grid.cpp

示例12: ProcessLayer

static CPLErr ProcessLayer( OGRLayerH hSrcLayer, GDALDatasetH hDstDS,
                          OGRGeometry *poClipSrc,
                          GUInt32 nXSize, GUInt32 nYSize, int nBand,
                          int& bIsXExtentSet, int& bIsYExtentSet,
                          double& dfXMin, double& dfXMax,
                          double& dfYMin, double& dfYMax,
                          const char *pszBurnAttribute,
                          const double dfIncreaseBurnValue,
                          const double dfMultiplyBurnValue,
                          GDALDataType eType,
                          GDALGridAlgorithm eAlgorithm, void *pOptions,
                          int bQuiet, GDALProgressFunc pfnProgress )

{
/* -------------------------------------------------------------------- */
/*      Get field index, and check.                                     */
/* -------------------------------------------------------------------- */
    int iBurnField = -1;

    if ( pszBurnAttribute )
    {
        iBurnField = OGR_FD_GetFieldIndex( OGR_L_GetLayerDefn( hSrcLayer ),
                                           pszBurnAttribute );
        if( iBurnField == -1 )
        {
            printf( "Failed to find field %s on layer %s, skipping.\n",
                    pszBurnAttribute, 
                    OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) );
            return CE_Failure;
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect the geometries from this layer, and build list of       */
/*      values to be interpolated.                                      */
/* -------------------------------------------------------------------- */
    OGRFeature *poFeat;
    std::vector<double> adfX, adfY, adfZ;

    OGR_L_ResetReading( hSrcLayer );

    while( (poFeat = (OGRFeature *)OGR_L_GetNextFeature( hSrcLayer )) != NULL )
    {
        OGRGeometry *poGeom = poFeat->GetGeometryRef();
        double  dfBurnValue = 0.0;

        if ( iBurnField >= 0 )
            dfBurnValue = poFeat->GetFieldAsDouble( iBurnField );

        ProcessCommonGeometry(poGeom, poClipSrc, iBurnField, dfBurnValue,
            dfIncreaseBurnValue, dfMultiplyBurnValue, adfX, adfY, adfZ);

        OGRFeature::DestroyFeature( poFeat );
    }

    if ( adfX.size() == 0 )
    {
        printf( "No point geometry found on layer %s, skipping.\n",
                OGR_FD_GetName( OGR_L_GetLayerDefn( hSrcLayer ) ) );
        return CE_None;
    }

/* -------------------------------------------------------------------- */
/*      Compute grid geometry.                                          */
/* -------------------------------------------------------------------- */
    if ( !bIsXExtentSet || !bIsYExtentSet )
    {
        OGREnvelope sEnvelope;
        OGR_L_GetExtent( hSrcLayer, &sEnvelope, TRUE );

        if ( !bIsXExtentSet )
        {
            dfXMin = sEnvelope.MinX;
            dfXMax = sEnvelope.MaxX;
            bIsXExtentSet = TRUE;
        }

        if ( !bIsYExtentSet )
        {
            dfYMin = sEnvelope.MinY;
            dfYMax = sEnvelope.MaxY;
            bIsYExtentSet = TRUE;
        }
    }

/* -------------------------------------------------------------------- */
/*      Perform gridding.                                               */
/* -------------------------------------------------------------------- */

    const double    dfDeltaX = ( dfXMax - dfXMin ) / nXSize;
    const double    dfDeltaY = ( dfYMax - dfYMin ) / nYSize;

    if ( !bQuiet )
    {
        printf( "Grid data type is \"%s\"\n", GDALGetDataTypeName(eType) );
        printf( "Grid size = (%lu %lu).\n",
                (unsigned long)nXSize, (unsigned long)nYSize );
        printf( "Corner coordinates = (%f %f)-(%f %f).\n",
                dfXMin - dfDeltaX / 2, dfYMax + dfDeltaY / 2,
                dfXMax + dfDeltaX / 2, dfYMin - dfDeltaY / 2 );
//.........这里部分代码省略.........

开发者ID:GeospatialDaryl，项目名称:VS2013__00_GDAL_111_x64，代码行数:101，代码来源:gdal_grid.cpp

示例13: getTileSize

bool OsmAnd::HeightmapTileProvider_P::obtainData(
    const TileId tileId,
    const ZoomLevel zoom,
    std::shared_ptr<MapTiledData>& outTiledData,
    const IQueryController* const queryController)
{
    // Obtain raw data from DB
    QByteArray data;
    bool ok = _tileDb.obtainTileData(tileId, zoom, data);
    if (!ok || data.length() == 0)
    {
        // There was no data at all, to avoid further requests, mark this tile as empty
        outTiledData.reset();
        return true;
    }

    // We have the data, use GDAL to decode this GeoTIFF
    const auto tileSize = getTileSize();
    bool success = false;
    QString vmemFilename;
    vmemFilename.sprintf("/vsimem/[email protected]%p", data.data());
    VSIFileFromMemBuffer(qPrintable(vmemFilename), reinterpret_cast<GByte*>(data.data()), data.length(), FALSE);
    auto dataset = reinterpret_cast<GDALDataset*>(GDALOpen(qPrintable(vmemFilename), GA_ReadOnly));
    if (dataset != nullptr)
    {
        bool bad = false;
        bad = bad || dataset->GetRasterCount() != 1;
        bad = bad || dataset->GetRasterXSize() != tileSize;
        bad = bad || dataset->GetRasterYSize() != tileSize;
        if (bad)
        {
            if (dataset->GetRasterCount() != 1)
                LogPrintf(LogSeverityLevel::Error, "Height tile %dx%[email protected]%d has %d bands instead of 1", tileId.x, tileId.y, zoom, dataset->GetRasterCount());
            if (dataset->GetRasterXSize() != tileSize || dataset->GetRasterYSize() != tileSize)
            {
                LogPrintf(LogSeverityLevel::Error, "Height tile %dx%[email protected]%d has %dx%x size instead of %d", tileId.x, tileId.y, zoom,
                    dataset->GetRasterXSize(), dataset->GetRasterYSize(), tileSize);
            }
        }
        else
        {
            auto band = dataset->GetRasterBand(1);

            bad = bad || band->GetColorTable() != nullptr;
            bad = bad || band->GetRasterDataType() != GDT_Int16;

            if (bad)
            {
                if (band->GetColorTable() != nullptr)
                    LogPrintf(LogSeverityLevel::Error, "Height tile %dx%[email protected]%d has color table", tileId.x, tileId.y, zoom);
                if (band->GetRasterDataType() != GDT_Int16)
                    LogPrintf(LogSeverityLevel::Error, "Height tile %dx%[email protected]%d has %s data type in band 1", tileId.x, tileId.y, zoom, GDALGetDataTypeName(band->GetRasterDataType()));
            }
            else
            {
                auto buffer = new float[tileSize*tileSize];

                auto res = dataset->RasterIO(GF_Read, 0, 0, tileSize, tileSize, buffer, tileSize, tileSize, GDT_Float32, 1, nullptr, 0, 0, 0);
                if (res != CE_None)
                {
                    delete[] buffer;
                    LogPrintf(LogSeverityLevel::Error, "Failed to decode height tile %dx%[email protected]%d: %s", tileId.x, tileId.y, zoom, CPLGetLastErrorMsg());
                }
                else
                {
                    outTiledData.reset(new ElevationDataTile(buffer, sizeof(float)*tileSize, tileSize, tileId, zoom));
                    success = true;
                }
            }
        }

        GDALClose(dataset);
    }
    VSIUnlink(qPrintable(vmemFilename));

    return success;
}

开发者ID:Svyatoslavik，项目名称:OsmAnd-core，代码行数:77，代码来源:HeightmapTileProvider_P.cpp

示例14: GDALAllRegister


//.........这里部分代码省略.........
				CCVector3 P(	0,
								static_cast<PointCoordinateType>(y),
								static_cast<PointCoordinateType>(z));
				for (int i=0; i<rasterX; ++i)
				{
					double x = adfGeoTransform[0] + static_cast<double>(i) * adfGeoTransform[1] + Pshift.x;

					P.x = static_cast<PointCoordinateType>(x);
					pc->addPoint(P);
				}
			}

			QVariant xVar = QVariant::fromValue<int>(rasterX);
			QVariant yVar = QVariant::fromValue<int>(rasterY);
			pc->setMetaData("raster_width",xVar);
			pc->setMetaData("raster_height",yVar);
		}

		//fetch raster bands
		bool zRasterProcessed = false;
		unsigned zInvalid = 0;
		double zMinMax[2] = {0, 0};

		for (int i=1; i<=rasterCount; ++i)
		{
			ccLog::Print( "Reading band #%i", i);
			GDALRasterBand* poBand = poDataset->GetRasterBand(i);

			GDALColorInterp colorInterp = poBand->GetColorInterpretation();
			GDALDataType bandType = poBand->GetRasterDataType();

			int nBlockXSize, nBlockYSize;
			poBand->GetBlockSize( &nBlockXSize, &nBlockYSize );
			ccLog::Print( "Block=%dx%d Type=%s, ColorInterp=%s", nBlockXSize, nBlockYSize, GDALGetDataTypeName(poBand->GetRasterDataType()), GDALGetColorInterpretationName(colorInterp) );

			//fetching raster scan-line
			int nXSize = poBand->GetXSize();
			int nYSize = poBand->GetYSize();
			assert(nXSize == rasterX);
			assert(nYSize == rasterY);
			
			int bGotMin, bGotMax;
			double adfMinMax[2] = {0, 0};
			adfMinMax[0] = poBand->GetMinimum( &bGotMin );
			adfMinMax[1] = poBand->GetMaximum( &bGotMax );
			if (!bGotMin || !bGotMax )
				//DGM FIXME: if the file is corrupted (e.g. ASCII ArcGrid with missing rows) this method will enter in a infinite loop!
				GDALComputeRasterMinMax((GDALRasterBandH)poBand, TRUE, adfMinMax);
			ccLog::Print( "Min=%.3fd, Max=%.3f", adfMinMax[0], adfMinMax[1] );

			GDALColorTable* colTable = poBand->GetColorTable();
			if( colTable != NULL )
				printf( "Band has a color table with %d entries", colTable->GetColorEntryCount() );

			if( poBand->GetOverviewCount() > 0 )
				printf( "Band has %d overviews", poBand->GetOverviewCount() );

			if (colorInterp == GCI_Undefined && !zRasterProcessed/*&& !colTable*/) //probably heights?
			{
				zRasterProcessed = true;
				zMinMax[0] = adfMinMax[0];
				zMinMax[1] = adfMinMax[1];

				double* scanline = (double*) CPLMalloc(sizeof(double)*nXSize);
				//double* scanline = new double[nXSize];
				memset(scanline,0,sizeof(double)*nXSize);

开发者ID:abp250，项目名称:trunk，代码行数:67，代码来源:RasterGridFilter.cpp

示例15: CPLError

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C++ GDALDestroyDriverManager函数代码示例发布时间：2022-05-30

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C++ GDALGetDataTypeName函数代码示例

示例1: return

示例2: CPLCreateXMLNode

示例3: CPLError

示例4: CPLError

示例5: CSLTokenizeStringComplex

示例6: main

示例7: CSLFetchNameValue

示例8: CPLError

示例9: BSBCreateCopy

示例10: TerragenDataset

示例11: main

示例12: ProcessLayer

示例13: getTileSize

示例14: GDALAllRegister

示例15: CPLError

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