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C++ OGRFieldDefn::GetFieldTypeName方法代码示例

本文整理汇总了C++中OGRFieldDefn::GetFieldTypeName方法的典型用法代码示例。如果您正苦于以下问题：C++ OGRFieldDefn::GetFieldTypeName方法的具体用法？C++ OGRFieldDefn::GetFieldTypeName怎么用？C++ OGRFieldDefn::GetFieldTypeName使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OGRFieldDefn的用法示例。


在下文中一共展示了OGRFieldDefn::GetFieldTypeName方法的7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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ReportOnLayer

static void ReportOnLayer( OGRLayer * poLayer, const char *pszWHERE, 
                           OGRGeometry *poSpatialFilter )

{
    OGRFeatureDefn      *poDefn = poLayer->GetLayerDefn();

/* -------------------------------------------------------------------- */
/*      Set filters if provided.                                        */
/* -------------------------------------------------------------------- */
    if( pszWHERE != NULL )
        poLayer->SetAttributeFilter( pszWHERE );

    if( poSpatialFilter != NULL )
        poLayer->SetSpatialFilter( poSpatialFilter );

/* -------------------------------------------------------------------- */
/*      Report various overall information.                             */
/* -------------------------------------------------------------------- */
    printf( "\n" );
    
    printf( "Layer name: %s\n", poDefn->GetName() );

    if( bVerbose )
    {
        printf( "Geometry: %s\n", 
                OGRGeometryTypeToName( poDefn->GetGeomType() ) );
        
        printf( "Feature Count: %d\n", poLayer->GetFeatureCount() );
        
        OGREnvelope oExt;
        if (poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE)
        {
            printf("Extent: (%f, %f) - (%f, %f)\n", 
                   oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
        }

        char    *pszWKT;
        
        if( poLayer->GetSpatialRef() == NULL )
            pszWKT = CPLStrdup( "(unknown)" );
        else
        {
            poLayer->GetSpatialRef()->exportToPrettyWkt( &pszWKT );
        }            

        printf( "Layer SRS WKT:\n%s\n", pszWKT );
        CPLFree( pszWKT );
    
        if( strlen(poLayer->GetFIDColumn()) > 0 )
            printf( "FID Column = %s\n", 
                    poLayer->GetFIDColumn() );
    
        if( strlen(poLayer->GetGeometryColumn()) > 0 )
            printf( "Geometry Column = %s\n", 
                    poLayer->GetGeometryColumn() );

        for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
        {
            OGRFieldDefn    *poField = poDefn->GetFieldDefn( iAttr );
            
            printf( "%s: %s (%d.%d)\n",
                    poField->GetNameRef(),
                    poField->GetFieldTypeName( poField->GetType() ),
                    poField->GetWidth(),
                    poField->GetPrecision() );
        }
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */
    OGRFeature  *poFeature = NULL;

    if( nFetchFID == OGRNullFID && !bSummaryOnly )
    {
        while( (poFeature = poLayer->GetNextFeature()) != NULL )
        {
            poFeature->DumpReadable( NULL, papszOptions );
            OGRFeature::DestroyFeature( poFeature );
        }
    }
    else if( nFetchFID != OGRNullFID )
    {
        poFeature = poLayer->GetFeature( nFetchFID );
        if( poFeature == NULL )
        {
            printf( "Unable to locate feature id %d on this layer.\n", 
                    nFetchFID );
        }
        else
        {
            poFeature->DumpReadable( NULL, papszOptions );
            OGRFeature::DestroyFeature( poFeature );
        }
    }
}
开发者ID:469447793，项目名称:World-Wind-Java，代码行数:96，代码来源:ogrinfo.cpp

示例2: ReportOnLayer


//.........这里部分代码省略.........
                if (poLayer->GetExtent(iGeom, &oExt, TRUE) == OGRERR_NONE)
                {
                    OGRGeomFieldDefn* poGFldDefn =
                        poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                    CPLprintf("Extent (%s): (%f, %f) - (%f, %f)\n",
                           poGFldDefn->GetNameRef(),
                           oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
                }
            }
        }
        else if ( poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE)
        {
            CPLprintf("Extent: (%f, %f) - (%f, %f)\n",
                   oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
        }

        char    *pszWKT;

        if( nGeomFieldCount > 1 )
        {
            for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
            {
                OGRGeomFieldDefn* poGFldDefn =
                    poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
                OGRSpatialReference* poSRS = poGFldDefn->GetSpatialRef();
                if( poSRS == NULL )
                    pszWKT = CPLStrdup( "(unknown)" );
                else
                {
                    poSRS->exportToPrettyWkt( &pszWKT );
                }

                printf( "SRS WKT (%s):\n%s\n",
                        poGFldDefn->GetNameRef(), pszWKT );
                CPLFree( pszWKT );
            }
        }
        else
        {
            if( poLayer->GetSpatialRef() == NULL )
                pszWKT = CPLStrdup( "(unknown)" );
            else
            {
                poLayer->GetSpatialRef()->exportToPrettyWkt( &pszWKT );
            }

            printf( "Layer SRS WKT:\n%s\n", pszWKT );
            CPLFree( pszWKT );
        }

        if( strlen(poLayer->GetFIDColumn()) > 0 )
            printf( "FID Column = %s\n",
                    poLayer->GetFIDColumn() );

        for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
        {
            OGRGeomFieldDefn* poGFldDefn =
                poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
            if( nGeomFieldCount == 1 &&
                EQUAL(poGFldDefn->GetNameRef(), "")  && poGFldDefn->IsNullable() )
                break;
            printf( "Geometry Column ");
            if( nGeomFieldCount > 1 )
                printf("%d ", iGeom + 1);
            if( !poGFldDefn->IsNullable() )
                printf("NOT NULL ");
            printf("= %s\n", poGFldDefn->GetNameRef() );
        }

        for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
        {
            OGRFieldDefn    *poField = poDefn->GetFieldDefn( iAttr );
            const char* pszType = (poField->GetSubType() != OFSTNone) ?
                CPLSPrintf("%s(%s)",
                           poField->GetFieldTypeName( poField->GetType() ),
                           poField->GetFieldSubTypeName(poField->GetSubType())) :
                poField->GetFieldTypeName( poField->GetType() );
            printf( "%s: %s (%d.%d)",
                    poField->GetNameRef(),
                    pszType,
                    poField->GetWidth(),
                    poField->GetPrecision() );
            if( !poField->IsNullable() )
                printf(" NOT NULL");
            if( poField->GetDefault() != NULL )
                printf(" DEFAULT %s", poField->GetDefault() );
            printf( "\n" );
        }
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */
    OGRFeature  *poFeature = NULL;
    while( (poFeature = poLayer->GetNextFeature()) != NULL )
    {
        poFeature->DumpReadable( NULL );
        OGRFeature::DestroyFeature( poFeature );
    }
}
开发者ID:rashadkm，项目名称:lib_gdal，代码行数:101，代码来源:gnmanalyse.cpp

示例3: ReportOnLayer

static void ReportOnLayer( OGRLayer * poLayer, const char *pszWHERE, 
                           OGRGeometry *poSpatialFilter )

{
    OGRFeatureDefn      *poDefn = poLayer->GetLayerDefn();

/* -------------------------------------------------------------------- */
/*      Set filters if provided.                                        */
/* -------------------------------------------------------------------- */
    if( pszWHERE != NULL )
        poLayer->SetAttributeFilter( pszWHERE );

    if( poSpatialFilter != NULL )
        poLayer->SetSpatialFilter( poSpatialFilter );

/* -------------------------------------------------------------------- */
/*      Report various overall information.                             */
/* -------------------------------------------------------------------- */
    printf( "\n" );
    
    printf( "Layer name: %s\n", poDefn->GetName() );

    printf( "Geometry: %s\n", 
            OGRGeometryTypeToName( poDefn->GetGeomType() ) );

    printf( "Feature Count: %d\n", poLayer->GetFeatureCount() );

    OGREnvelope oExt;
    if (poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE)
    {
        printf("Extent: (%f, %f) - (%f, %f)\n", 
               oExt.MinX, oExt.MinY, oExt.MaxX, oExt.MaxY);
    }

    if( bVerbose )
    {
        char    *pszWKT;
        
        if( poLayer->GetSpatialRef() == NULL )
            pszWKT = CPLStrdup( "(NULL)" );
        else
            poLayer->GetSpatialRef()->exportToWkt( &pszWKT );

        printf( "Layer SRS WKT: %s\n", pszWKT );
        CPLFree( pszWKT );
    }
    
    for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
    {
        OGRFieldDefn    *poField = poDefn->GetFieldDefn( iAttr );

        printf( "%s: %s (%d.%d)\n",
                poField->GetNameRef(),
                poField->GetFieldTypeName( poField->GetType() ),
                poField->GetWidth(),
                poField->GetPrecision() );
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */
    OGRFeature  *poFeature;

    while( (poFeature = poLayer->GetNextFeature()) != NULL )
    {
        poFeature->DumpReadable( stdout );
        delete poFeature;
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */
#ifdef notdef
    OGRFeature  *poFeature;
    int         nId = -1;

    while( (nId = poTF->GetNextFeatureId_Spatial(nId)) != -1 )
    {
        poFeature = poTF->GetFeatureRef( nId );
    }
#endif
}
开发者ID:maowang，项目名称:sqlite-ogc，代码行数:82，代码来源:ogrinfo.cpp

示例4: ReportOnLayer


//.........这里部分代码省略.........
                CPLFree(pszWKT);
                if( poSRS )
                {
                    displayDataAxisMapping(poSRS);
                }
            }
        }
        else
        {
            char *pszWKT = nullptr;
            auto poSRS = poLayer->GetSpatialRef();
            if( poSRS == nullptr )
            {
                pszWKT = CPLStrdup("(unknown)");
            }
            else
            {
                poSRS->exportToPrettyWkt(&pszWKT);
            }

            printf("Layer SRS WKT:\n%s\n", pszWKT);
            CPLFree(pszWKT);
            if( poSRS )
            {
                displayDataAxisMapping(poSRS);
            }
        }

        if( strlen(poLayer->GetFIDColumn()) > 0 )
            printf("FID Column = %s\n",
                   poLayer->GetFIDColumn());

        for(int iGeom = 0;iGeom < nGeomFieldCount; iGeom ++ )
        {
            OGRGeomFieldDefn* poGFldDefn =
                poLayer->GetLayerDefn()->GetGeomFieldDefn(iGeom);
            if( nGeomFieldCount == 1 &&
                EQUAL(poGFldDefn->GetNameRef(), "") &&
                poGFldDefn->IsNullable() )
                break;
            printf("Geometry Column ");
            if( nGeomFieldCount > 1 )
                printf("%d ", iGeom + 1);
            if( !poGFldDefn->IsNullable() )
                printf("NOT NULL ");
            printf("= %s\n", poGFldDefn->GetNameRef());
        }

        for( int iAttr = 0; iAttr < poDefn->GetFieldCount(); iAttr++ )
        {
            OGRFieldDefn *poField = poDefn->GetFieldDefn(iAttr);
            const char* pszType = (poField->GetSubType() != OFSTNone)
                ? CPLSPrintf(
                      "%s(%s)",
                      poField->GetFieldTypeName(poField->GetType()),
                      poField->GetFieldSubTypeName(poField->GetSubType()))
                : poField->GetFieldTypeName(poField->GetType());
            printf("%s: %s (%d.%d)",
                   poField->GetNameRef(),
                   pszType,
                   poField->GetWidth(),
                   poField->GetPrecision());
            if( !poField->IsNullable() )
                printf(" NOT NULL");
            if( poField->GetDefault() != nullptr )
                printf(" DEFAULT %s", poField->GetDefault());
            printf("\n");
        }
    }

/* -------------------------------------------------------------------- */
/*      Read, and dump features.                                        */
/* -------------------------------------------------------------------- */

    if( nFetchFID == OGRNullFID && !bSummaryOnly )
    {
        OGRFeature *poFeature = nullptr;
        while( (poFeature = poLayer->GetNextFeature()) != nullptr )
        {
            if( !bSuperQuiet )
                poFeature->DumpReadable(nullptr, papszOptions);
            OGRFeature::DestroyFeature(poFeature);
        }
    }
    else if( nFetchFID != OGRNullFID )
    {
        OGRFeature *poFeature = poLayer->GetFeature(nFetchFID);
        if( poFeature == nullptr )
        {
            printf("Unable to locate feature id " CPL_FRMT_GIB
                   " on this layer.\n",
                   nFetchFID);
        }
        else
        {
            poFeature->DumpReadable(nullptr, papszOptions);
            OGRFeature::DestroyFeature(poFeature);
        }
    }
}
开发者ID:AsgerPetersen，项目名称:gdal，代码行数:101，代码来源:ogrinfo.cpp

示例5: ogrReadListColumn

SEXP ogrReadListColumn(OGRLayer *poLayer, SEXP FIDs, int iField, int k, int int64) {
    // read feature data and return something according to the type
    OGRFeatureDefn *poDefn;
    OGRFieldDefn *poField;
    OGRFeature *poFeature;
    int iRow,nRows,nlist;
    SEXP ans = R_NilValue;

    nRows=length(FIDs);
    // get field data from layer
    installErrorHandler();
    poDefn = poLayer->GetLayerDefn();
    poField = poDefn->GetFieldDefn(iField);
    uninstallErrorHandlerAndTriggerError();
    if(poField == NULL) {
        error("Error getting field %d ",iField);
    }
    // allocate an object for the result depending on the feature type:
    installErrorHandler();
    switch(poField->GetType()) {
    case OFTIntegerList:
        PROTECT(ans=allocVector(INTSXP,nRows));
        break;
#ifdef GDALV2
    case OFTInteger64List:
        if (int64 == 3) {
            PROTECT(ans=allocVector(STRSXP,nRows));
        } else {
            PROTECT(ans=allocVector(INTSXP,nRows));
        }
        break;
#endif
    case OFTRealList:
        PROTECT(ans=allocVector(REALSXP,nRows));
        break;
    case OFTStringList:
        PROTECT(ans=allocVector(STRSXP,nRows));
        break;
    default:
        const char *desc = poField->GetFieldTypeName(poField->GetType());
        uninstallErrorHandlerAndTriggerError();
        error("unsupported field type: %s", desc);
        break;
    }
    uninstallErrorHandlerAndTriggerError();

    // now go over each row and retrieve data. iRow is an index in a
    // vector of FIDs
    installErrorHandler();
    poLayer->ResetReading();
    OGRField* psField;
    iRow = 0;

    while((poFeature = poLayer->GetNextFeature()) != NULL) {
        if (poFeature->IsFieldSet(iField)) {

            // now get the value using the right type:
            psField = poFeature->GetRawFieldRef(iField);

            switch(poField->GetType()) {
            case OFTIntegerList:
                nlist = psField->IntegerList.nCount;
                if (k < nlist)
                    INTEGER(ans)[iRow] = psField->IntegerList.paList[k];
                else INTEGER(ans)[iRow]=NA_INTEGER;
                break;
#ifdef GDALV2
            case OFTInteger64List:
                nlist = psField->Integer64List.nCount;
                if (k < nlist) {
                    if (int64 == 3) {
// FIXME clang++
//                GIntBig nVal64 = psField->Integer64List.paList[k];
                        char szItem[32];
                        snprintf(szItem, sizeof(szItem), CPL_FRMT_GIB,
                                 psField->Integer64List.paList[k]);
                        SET_STRING_ELT(ans, iRow, mkChar(szItem));
                    } else {
                        GIntBig nVal64 = psField->Integer64List.paList[k];
                        int nVal = (nVal64 > INT_MAX) ? INT_MAX :
                                   (nVal64 < INT_MIN) ? INT_MIN : (int) nVal64;
                        if (((GIntBig)nVal != nVal64) && int64 == 2) {
                            warning("Integer64 value clamped: feature %d", iRow);
                        }
                        INTEGER(ans)[iRow]=nVal;
                    }
                } else {
                    if (int64 == 3) {
                        SET_STRING_ELT(ans, iRow, NA_STRING);
                    } else {
                        INTEGER(ans)[iRow]=NA_INTEGER;
                    }
                }
                break;
#endif

            case OFTRealList:
                nlist = psField->RealList.nCount;
                if (k < nlist)
                    REAL(ans)[iRow] = psField->RealList.paList[k];
//.........这里部分代码省略.........
开发者ID:rforge，项目名称:rgdal，代码行数:101，代码来源:ogrsource.cpp

示例6: ogrReadColumn

SEXP ogrReadColumn(OGRLayer *poLayer, SEXP FIDs, int iField, int int64, int ENC_DEBUG) {
    // read feature data and return something according to the type
    OGRFeatureDefn *poDefn;
    OGRFieldDefn *poField;
    OGRFeature *poFeature;
    int iRow,nRows;
    SEXP ans = R_NilValue;

    nRows=length(FIDs);
    // get field data from layer
    installErrorHandler();
    poDefn = poLayer->GetLayerDefn();
    poField = poDefn->GetFieldDefn(iField);
    uninstallErrorHandlerAndTriggerError();
    if(poField == NULL) {
        error("Error getting field %d ",iField);
    }
    // allocate an object for the result depending on the feature type:
    installErrorHandler();
    switch(poField->GetType()) {
    case OFTInteger:
        PROTECT(ans=allocVector(INTSXP,nRows));
        break;
#ifdef GDALV2
    case OFTInteger64:
        if (int64 ==3) {
            PROTECT(ans=allocVector(STRSXP,nRows));
        } else {
            PROTECT(ans=allocVector(INTSXP,nRows));
        }
        break;
#endif
    case OFTReal:
        PROTECT(ans=allocVector(REALSXP,nRows));
        break;
    case OFTString:
        PROTECT(ans=allocVector(STRSXP,nRows));
        break;
    case OFTDate:
        PROTECT(ans=allocVector(STRSXP,nRows));
        break;
    case OFTDateTime:
        PROTECT(ans=allocVector(STRSXP,nRows));
        break;
    case OFTTime:
        PROTECT(ans=allocVector(STRSXP,nRows));
        break;
    default:
        const char *desc = poField->GetFieldTypeName(poField->GetType());
        uninstallErrorHandlerAndTriggerError();
        error("unsupported field type: %s", desc);
        break;
    }
    uninstallErrorHandlerAndTriggerError();

    // now go over each row and retrieve data. iRow is an index in a
    // vector of FIDs
    /*#ifndef EJP
        installErrorHandler();
        for(iRow=0;iRow<nRows;iRow++){
          poFeature=poLayer->GetFeature(INTEGER(FIDs)[iRow]);
          if(poFeature == NULL){
    	error("Error getting feature FID: %d",(INTEGER(FIDs)[iRow]));
          }
        }
        uninstallErrorHandlerAndTriggerError();
    #else*/
    // EJP, changed into:
    installErrorHandler();
    poLayer->ResetReading();
    iRow = 0;
    while((poFeature = poLayer->GetNextFeature()) != NULL) {
//#endif
        // now get the value using the right type:
        switch(poField->GetType()) {
        case OFTInteger:
            if (poFeature->IsFieldSet(iField))
                INTEGER(ans)[iRow]=poFeature->GetFieldAsInteger(iField);
            else INTEGER(ans)[iRow]=NA_INTEGER;
            break;
#ifdef GDALV2
        case OFTInteger64:
            if (poFeature->IsFieldSet(iField)) {
                if (int64 == 3) {
                    SET_STRING_ELT(ans, iRow,
                                   mkChar(poFeature->GetFieldAsString(iField)));
                } else {
                    GIntBig nVal64 = poFeature->GetFieldAsInteger64(iField);
                    int nVal = (nVal64 > INT_MAX) ? INT_MAX :
                               (nVal64 < INT_MIN) ? INT_MIN : (int) nVal64;
                    INTEGER(ans)[iRow]=nVal;
                    if (((GIntBig)nVal != nVal64) && int64 == 2) {
                        warning("Integer64 value clamped: feature %d", iRow);
                    }
                }
            } else {
                if (int64 == 3) {
                    SET_STRING_ELT(ans, iRow, NA_STRING);
                } else {
                    INTEGER(ans)[iRow]=NA_INTEGER;
//.........这里部分代码省略.........
开发者ID:rforge，项目名称:rgdal，代码行数:101，代码来源:ogrsource.cpp

示例7: ogrInfo


//.........这里部分代码省略.........
    installErrorHandler();
    OGREnvelope oExt;
    if (poLayer->GetExtent(&oExt, TRUE) == OGRERR_NONE) {
        PROTECT(dvec=allocVector(REALSXP,4));
        pc++;
        REAL(dvec)[0] = oExt.MinX;
        REAL(dvec)[1] = oExt.MinY;
        REAL(dvec)[2] = oExt.MaxX;
        REAL(dvec)[3] = oExt.MaxY;
        SET_VECTOR_ELT(ans,4,dvec);
    }
    uninstallErrorHandlerAndTriggerError();

    PROTECT(itemnames=allocVector(STRSXP,nFields));
    pc++;
    PROTECT(itemtype=allocVector(INTSXP,nFields));
    pc++;
    PROTECT(itemwidth=allocVector(INTSXP,nFields));
    pc++;
// try List types
    PROTECT(itemlistmaxcount=allocVector(INTSXP,nFields));
    pc++;
    PROTECT(itemTypeNames=allocVector(STRSXP,nFields));
    pc++;
    int listFieldCount=0;

    installErrorHandler();
    for(iField=0; iField<nFields; iField++) {
        OGRFieldDefn *poField = poDefn->GetFieldDefn(iField);
        SET_STRING_ELT(itemnames,iField,mkChar(poField->GetNameRef()));
        INTEGER(itemtype)[iField]=poField->GetType();
        if (INTEGER(itemtype)[iField] == OFTIntegerList ||
                INTEGER(itemtype)[iField] == OFTRealList ||
                INTEGER(itemtype)[iField] == OFTStringList) listFieldCount++;
        INTEGER(itemwidth)[iField]=poField->GetWidth();
        SET_STRING_ELT(itemTypeNames,iField,mkChar(poField->GetFieldTypeName(
                           poField->GetType())));
        INTEGER(itemlistmaxcount)[iField] = 0;
    }
    uninstallErrorHandlerAndTriggerError();

    PROTECT(vec3=allocVector(INTSXP,1));
    pc++;
    INTEGER(vec3)[0]=listFieldCount;
    SET_VECTOR_ELT(ans,5,vec3);
    PROTECT(itemlist=allocVector(VECSXP,5));
    pc++;
    SET_VECTOR_ELT(itemlist,0,itemnames);
    SET_VECTOR_ELT(itemlist,1,itemtype);
    SET_VECTOR_ELT(itemlist,2,itemwidth);
    SET_VECTOR_ELT(itemlist,3,itemTypeNames);
// try List types
    if (listFieldCount > 0) {

        poLayer->ResetReading();
        OGRFeature* poFeature;

        nCount = (int *) R_alloc((size_t) nFields, sizeof(int));
        for (iField=0; iField<nFields; iField++) nCount[iField] = 0;
        installErrorHandler();
        OGRField* psField;
        while( (poFeature = poLayer->GetNextFeature()) != NULL ) {
            for(iField=0; iField<nFields; iField++) {
                psField = poFeature->GetRawFieldRef(iField);
                if (INTEGER(itemtype)[iField] == OFTIntegerList) {
                    nCount[iField] = psField->IntegerList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                } else if (INTEGER(itemtype)[iField] == OFTRealList) {
                    nCount[iField] = psField->RealList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                } else if (INTEGER(itemtype)[iField] == OFTStringList) {
                    nCount[iField] = psField->StringList.nCount;
                    if (nCount[iField] > INTEGER(itemlistmaxcount)[iField])
                        INTEGER(itemlistmaxcount)[iField] = nCount[iField];
                }
            }
            OGRFeature::DestroyFeature( poFeature );
//    delete poFeature;
        }
        uninstallErrorHandlerAndTriggerError();

    }
    SET_VECTOR_ELT(itemlist,4,itemlistmaxcount);
    SET_VECTOR_ELT(ans,2,itemlist);

    UNPROTECT(pc);

    installErrorHandler();
#ifdef GDALV2
    GDALClose( poDS );
#else
    OGRDataSource::DestroyDataSource( poDS );
#endif
    uninstallErrorHandlerAndTriggerError();
//    delete poDS;
    return(ans);

}
开发者ID:rforge，项目名称:rgdal，代码行数:101，代码来源:ogrsource.cpp


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