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00030 #ifndef GDAL_RAT_H_INCLUDED
00031 #define GDAL_RAT_H_INCLUDED
00032
00033 #include "cpl_minixml.h"
00034
00035
00036
00037 #define RAT_MAX_ELEM_FOR_CLONE 1000000
00038
00039
00040
00041
00042
00044 class GDALDefaultRasterAttributeTable;
00045
00046 class CPL_DLL GDALRasterAttributeTable
00047 {
00048 public:
00049 virtual ~GDALRasterAttributeTable();
00062 virtual GDALDefaultRasterAttributeTable *Clone() const = 0;
00063
00071 virtual int GetColumnCount() const = 0;
00072
00082 virtual const char *GetNameOfCol( int ) const = 0;
00083
00093 virtual GDALRATFieldUsage GetUsageOfCol( int ) const = 0;
00094
00104 virtual GDALRATFieldType GetTypeOfCol( int ) const = 0;
00105
00118 virtual int GetColOfUsage( GDALRATFieldUsage ) const = 0;
00119
00127 virtual int GetRowCount() const = 0;
00128
00146 virtual const char *GetValueAsString( int iRow, int iField ) const = 0;
00147
00162 virtual int GetValueAsInt( int iRow, int iField ) const = 0;
00163
00178 virtual double GetValueAsDouble( int iRow, int iField ) const = 0;
00179
00193 virtual void SetValue( int iRow, int iField, const char *pszValue ) = 0;
00194
00208 virtual void SetValue( int iRow, int iField, int nValue ) = 0;
00209
00223 virtual void SetValue( int iRow, int iField, double dfValue) = 0;
00224
00234 virtual int ChangesAreWrittenToFile() = 0;
00235
00236 virtual CPLErr ValuesIO(GDALRWFlag eRWFlag, int iField, int iStartRow, int iLength, double *pdfData);
00237 virtual CPLErr ValuesIO(GDALRWFlag eRWFlag, int iField, int iStartRow, int iLength, int *pnData);
00238 virtual CPLErr ValuesIO(GDALRWFlag eRWFlag, int iField, int iStartRow, int iLength, char **papszStrList);
00239
00240 virtual void SetRowCount( int iCount );
00241 virtual int GetRowOfValue( double dfValue ) const;
00242 virtual int GetRowOfValue( int nValue ) const;
00243
00244 virtual CPLErr CreateColumn( const char *pszFieldName,
00245 GDALRATFieldType eFieldType,
00246 GDALRATFieldUsage eFieldUsage );
00247 virtual CPLErr SetLinearBinning( double dfRow0Min, double dfBinSize );
00248 virtual int GetLinearBinning( double *pdfRow0Min, double *pdfBinSize ) const;
00249
00256 virtual CPLXMLNode *Serialize() const;
00257 virtual CPLErr XMLInit( CPLXMLNode *, const char * );
00258
00259 virtual CPLErr InitializeFromColorTable( const GDALColorTable * );
00260 virtual GDALColorTable *TranslateToColorTable( int nEntryCount = -1 );
00261
00262 virtual void DumpReadable( FILE * = NULL );
00263 };
00264
00265
00266
00267
00268
00269
00270
00271 class GDALRasterAttributeField
00272 {
00273 public:
00274 CPLString sName;
00275
00276 GDALRATFieldType eType;
00277
00278 GDALRATFieldUsage eUsage;
00279
00280 std::vector<GInt32> anValues;
00281 std::vector<double> adfValues;
00282 std::vector<CPLString> aosValues;
00283 };
00284
00285
00286
00287
00288
00290
00291 class CPL_DLL GDALDefaultRasterAttributeTable : public GDALRasterAttributeTable
00292 {
00293 private:
00294 std::vector<GDALRasterAttributeField> aoFields;
00295
00296 int bLinearBinning;
00297 double dfRow0Min;
00298 double dfBinSize;
00299
00300 void AnalyseColumns();
00301 int bColumnsAnalysed;
00302 int nMinCol;
00303 int nMaxCol;
00304
00305 int nRowCount;
00306
00307 CPLString osWorkingResult;
00308
00309 public:
00310 GDALDefaultRasterAttributeTable();
00311 GDALDefaultRasterAttributeTable(const GDALDefaultRasterAttributeTable&);
00312 ~GDALDefaultRasterAttributeTable();
00313
00314 GDALDefaultRasterAttributeTable *Clone() const;
00315
00316 virtual int GetColumnCount() const;
00317
00318 virtual const char *GetNameOfCol( int ) const;
00319 virtual GDALRATFieldUsage GetUsageOfCol( int ) const;
00320 virtual GDALRATFieldType GetTypeOfCol( int ) const;
00321
00322 virtual int GetColOfUsage( GDALRATFieldUsage ) const;
00323
00324 virtual int GetRowCount() const;
00325
00326 virtual const char *GetValueAsString( int iRow, int iField ) const;
00327 virtual int GetValueAsInt( int iRow, int iField ) const;
00328 virtual double GetValueAsDouble( int iRow, int iField ) const;
00329
00330 virtual void SetValue( int iRow, int iField, const char *pszValue );
00331 virtual void SetValue( int iRow, int iField, double dfValue);
00332 virtual void SetValue( int iRow, int iField, int nValue );
00333
00334 virtual int ChangesAreWrittenToFile();
00335 virtual void SetRowCount( int iCount );
00336
00337 virtual int GetRowOfValue( double dfValue ) const;
00338 virtual int GetRowOfValue( int nValue ) const;
00339
00340 virtual CPLErr CreateColumn( const char *pszFieldName,
00341 GDALRATFieldType eFieldType,
00342 GDALRATFieldUsage eFieldUsage );
00343 virtual CPLErr SetLinearBinning( double dfRow0Min, double dfBinSize );
00344 virtual int GetLinearBinning( double *pdfRow0Min, double *pdfBinSize ) const;
00345
00346 };
00347
00348 #endif