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C++ OGRDataSource类代码示例

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


在下文中一共展示了OGRDataSource类的15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: ProblemReporterOGR

            explicit ProblemReporterOGR(OGRDataSource* data_source) :
                m_data_source(data_source) {

                OGRSpatialReference sparef;
                sparef.SetWellKnownGeogCS("WGS84");

                m_layer_perror = m_data_source->CreateLayer("perrors", &sparef, wkbPoint, nullptr);
                if (!m_layer_perror) {
                    std::runtime_error("Layer creation failed for layer 'perrors'");
                }

                OGRFieldDefn layer_perror_field_id1("id1", OFTReal);
                layer_perror_field_id1.SetWidth(10);

                if (m_layer_perror->CreateField(&layer_perror_field_id1) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'id1' failed for layer 'perrors'");
                }

                OGRFieldDefn layer_perror_field_id2("id2", OFTReal);
                layer_perror_field_id2.SetWidth(10);

                if (m_layer_perror->CreateField(&layer_perror_field_id2) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'id2' failed for layer 'perrors'");
                }

                OGRFieldDefn layer_perror_field_problem_type("problem_type", OFTString);
                layer_perror_field_problem_type.SetWidth(30);

                if (m_layer_perror->CreateField(&layer_perror_field_problem_type) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'problem_type' failed for layer 'perrors'");
                }

                /**************/

                m_layer_lerror = m_data_source->CreateLayer("lerrors", &sparef, wkbLineString, nullptr);
                if (!m_layer_lerror) {
                    std::runtime_error("Layer creation failed for layer 'lerrors'");
                }

                OGRFieldDefn layer_lerror_field_id1("id1", OFTReal);
                layer_lerror_field_id1.SetWidth(10);

                if (m_layer_lerror->CreateField(&layer_lerror_field_id1) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'id1' failed for layer 'lerrors'");
                }

                OGRFieldDefn layer_lerror_field_id2("id2", OFTReal);
                layer_lerror_field_id2.SetWidth(10);

                if (m_layer_lerror->CreateField(&layer_lerror_field_id2) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'id2' failed for layer 'lerrors'");
                }

                OGRFieldDefn layer_lerror_field_problem_type("problem_type", OFTString);
                layer_lerror_field_problem_type.SetWidth(30);

                if (m_layer_lerror->CreateField(&layer_lerror_field_problem_type) != OGRERR_NONE) {
                    std::runtime_error("Creating field 'problem_type' failed for layer 'lerrors'");
                }
            }
开发者ID:7890，项目名称:osrm-backend，代码行数:60，代码来源:problem_reporter_ogr.hpp

示例2: OGR_Dr_CreateDataSource

OGRDataSourceH OGR_Dr_CreateDataSource( OGRSFDriverH hDriver,
                                        const char *pszName, 
                                        char ** papszOptions )

{
    VALIDATE_POINTER1( hDriver, "OGR_Dr_CreateDataSource", NULL );

    OGRSFDriver* poDriver = (OGRSFDriver *) hDriver;
    CPLAssert( NULL != poDriver );

    OGRDataSource* poDS = NULL;
    poDS = poDriver->CreateDataSource( pszName, papszOptions );

    /* This fix is explained in Ticket #1223 */
    if( NULL != poDS )
    {
        poDS->SetDriver( poDriver );
        CPLAssert( NULL != poDS->GetDriver() );
    }
    else
    {
        CPLDebug( "OGR", "CreateDataSource operation failed. NULL pointer returned." );
    }

    return (OGRDataSourceH) poDS;
}
开发者ID:afarnham，项目名称:gdal，代码行数:26，代码来源:ogrsfdriver.cpp

示例3: CPLError

OGRDataSource *OGRSFDriver::CopyDataSource( OGRDataSource *poSrcDS, 
                                            const char *pszNewName,
                                            char **papszOptions )

{
    if( !TestCapability( ODrCCreateDataSource ) )
    {
        CPLError( CE_Failure, CPLE_NotSupported, 
                  "%s driver does not support data source creation.",
                  GetName() );
        return NULL;
    }

    OGRDataSource *poODS;

    poODS = CreateDataSource( pszNewName, papszOptions );
    if( poODS == NULL )
        return NULL;

/* -------------------------------------------------------------------- */
/*      Process each data source layer.                                 */
/* -------------------------------------------------------------------- */
    for( int iLayer = 0; iLayer < poSrcDS->GetLayerCount(); iLayer++ )
    {
        OGRLayer        *poLayer = poSrcDS->GetLayer(iLayer);

        if( poLayer == NULL )
            continue;

        poODS->CopyLayer( poLayer, poLayer->GetLayerDefn()->GetName(), 
                          papszOptions );
    }
    
    return poODS;
}
开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:35，代码来源:ogrsfdriver.cpp

示例4: readFile

    virtual ReadResult readFile(const std::string& fileName, const osgDB::ReaderWriter::Options* options) const
    {
        if (OGRSFDriverRegistrar::GetRegistrar()->GetDriverCount() == 0)
            OGRRegisterAll();

        // Try to open data source
        OGRDataSource* file = OGRSFDriverRegistrar::Open(fileName.c_str());
        if (!file)
            return 0;

        bool useRandomColorByFeature = false;
        bool addGroupPerFeature = false;
        if (options)
        {
            if (options->getOptionString().find("UseRandomColorByFeature") != std::string::npos)
                useRandomColorByFeature = true;
            if (options->getOptionString().find("useRandomColorByFeature") != std::string::npos)
                useRandomColorByFeature = true;
            if (options->getOptionString().find("addGroupPerFeature") != std::string::npos)
                addGroupPerFeature = true;
        }

        osg::Group* group = new osg::Group;

        for (int i = 0; i < file->GetLayerCount(); i++)
        {
            osg::Group* node = readLayer(file->GetLayer(i), file->GetName(), useRandomColorByFeature, addGroupPerFeature);
            if (node)
                group->addChild( node );
        }
        OGRDataSource::DestroyDataSource( file );
        return group;
    }
开发者ID:Kurdakov，项目名称:emscripten_OSG，代码行数:33，代码来源:ReaderWriterOGR.cpp

示例5: VectorOpen

bool V2vProj::Compute(const data::VectorBarral * barrel)
{
    OGRDataSource * poSourceDs = VectorOpen(barrel->GetSrcDataSource().c_str(),
                                            GA_ReadOnly);
    ON_SCOPE_EXIT([&]() {OGRDataSource::DestroyDataSource(poSourceDs); });
    OGRDataSource * poOutputDs = VectorOpen(barrel->GetDstDataSource().c_str(),
                                            GA_Update);
    ON_SCOPE_EXIT([&]() {OGRDataSource::DestroyDataSource(poOutputDs); });
    OGRLayer * poSrcLayer = poSourceDs->GetLayerByName(
                                barrel->GetSrcLayer().c_str());
    OGRLayer * poDstLayer = poOutputDs->GetLayerByName(
                                barrel->GetDstLayer().c_str());
    OGRSpatialReference * poSourceSRS = poSrcLayer->GetSpatialRef();
    OGRCoordinateTransformation * poCT = poCT = OGRCreateCoordinateTransformation(
            poSourceSRS, m_ogrSr);
    OGRFeatureDefn * poDstFeatureDefn = poDstLayer->GetLayerDefn();
    auto features = barrel->GetFeatures();
    std::for_each(begin(features), end(features)
    , [&](int fid) {
        poSrcLayer->GetFeature(fid);
        OGRFeature * poDstFeature = OGRFeature::CreateFeature(poDstFeatureDefn);
        ON_SCOPE_EXIT([&]() {OGRFeature::DestroyFeature(poDstFeature); });
        poDstFeature->SetFrom(poSrcLayer->GetFeature(fid));
        OGRGeometry * poDstGeometry = poDstFeature->GetGeometryRef();
        OGRGeometry * poReprojectedGeom = OGRGeometryFactory::transformWithOptions(
                                              poDstGeometry, poCT, NULL);
        poDstFeature->SetGeometryDirectly(poReprojectedGeom);
        poDstLayer->CreateFeature(poDstFeature);
    });
    return true;
}
开发者ID:htoooth，项目名称:hpgc_new，代码行数:31，代码来源:v2vproj.cpp

示例6: main

//#include "s57.h"
int main(int argc, char **argv)

{
    OGRRegisterAll();

    OGRDataSource       *poDS;
    printf("Opening %s\n",argv[1]);
    poDS = OGRSFDriverRegistrar::Open( argv[1], FALSE );
    if( poDS == NULL )
    {
        printf( "Open failed.\n" );
        exit( 1 );
    }

    OGRLayer  *poLayer;
    int layers = poDS->GetLayerCount();
    for (int layer =0 ; layer< layers; layer++) {
        poLayer = poDS->GetLayer(layer);
        if (poLayer == NULL) continue;
        printf("%d, %s, %s",layer, poLayer->GetName(), OGRGeometryTypeToName(poLayer->GetGeomType()));
        poLayer->ResetReading();
        OGRFeatureDefn *poFDefn = poLayer->GetLayerDefn();  
        int iField;
        for( iField = 0; iField < poFDefn->GetFieldCount(); iField++ )
        {
            OGRFieldDefn *poFieldDefn = poFDefn->GetFieldDefn( iField );
            printf(", %s",poFieldDefn->GetNameRef());
        }
        printf("\n");
    }

}
开发者ID:dvj，项目名称:dnc2enc，代码行数:33，代码来源:util.cpp

示例7: if

JNIEXPORT jlong JNICALL Java_es_gva_cit_jogr_OGRDataSource_createLayerNat
  (JNIEnv *env, jobject obj, jlong cPtr, jstring pszName, jlong poSpatialRef, jstring eGType, jobjectArray papszOptions){
  	  	
  	OGRDataSource 		*ds = (OGRDataSource *) 0 ;
  	int 				longitud;
  	char				**opciones;
  	OGRLayer			*layer_dstno;
	OGRSpatialReference	*spatialRef;
  	long 				ptr_dtno=-1;
  	OGRwkbGeometryType	geomtype;
  	
  	ds = *(OGRDataSource **)&cPtr;
  	
	spatialRef = *(OGRSpatialReference **)&poSpatialRef;
			
  	if(ds!=NULL){
  		longitud = env->GetArrayLength( papszOptions); 
  		opciones = (char **)malloc(sizeof(char *)*longitud);
  		for(int i=0;i<longitud;i++){
	  		jstring el = (jstring)env->GetObjectArrayElement(papszOptions,i);
	  		const char *simple_option = env->GetStringUTFChars( el, 0);
	  		opciones[i]=(char *)malloc(strlen(simple_option));
	  		strcpy(opciones[i],simple_option);
	  		env->ReleaseStringUTFChars( el, simple_option);
  		}
  		
  		const char *type = env->GetStringUTFChars( eGType, 0);
  		const char *name = env->GetStringUTFChars( pszName, 0);
  		if(strcmp(type,"wkbUnknown")==0)geomtype = wkbUnknown;
  		else if(strcmp(type,"wkbPoint")==0)geomtype = wkbPoint;
  		else if(strcmp(type,"wkbLineString")==0)geomtype = wkbLineString;
  		else if(strcmp(type,"wkbPolygon")==0)geomtype = wkbPolygon;
  		else if(strcmp(type,"wkbMultiPoint")==0)geomtype = wkbMultiPoint;
  		else if(strcmp(type,"wkbMultiLineString")==0)geomtype = wkbMultiLineString;
  		else if(strcmp(type,"wkbMultiPolygon")==0)geomtype = wkbMultiPolygon;
  		else if(strcmp(type,"wkbGeometryCollection")==0)geomtype = wkbGeometryCollection;
  		else if(strcmp(type,"wkbNone")==0)geomtype = wkbNone;
  		else if(strcmp(type,"wkbLinearRing")==0)geomtype = wkbLinearRing;
		else if(strcmp(type,"wkbPoint25D")==0)geomtype = wkbPoint25D;
  		else if(strcmp(type,"wkbLineString25D")==0)geomtype = wkbLineString25D;
  		else if(strcmp(type,"wkbPolygon25D")==0)geomtype = wkbPolygon25D;
  		else if(strcmp(type,"wkbMultiPoint25D")==0)geomtype = wkbMultiPoint25D;
  		else if(strcmp(type,"wkbMultiLineString25D")==0)geomtype = wkbMultiLineString25D;
  		else if(strcmp(type,"wkbMultiPolygon25D")==0)geomtype = wkbMultiPolygon25D;
  		else if(strcmp(type,"wkbGeometryCollection25D")==0)geomtype = wkbGeometryCollection25D;
  		
  		layer_dstno = ds->CreateLayer(name, spatialRef, geomtype, opciones);
	  	env->ReleaseStringUTFChars( eGType, type);
	  	env->ReleaseStringUTFChars( pszName, name);
  	}
  	
  	for(int i=0;i<longitud;i++)free(opciones[i]);
  	free(opciones);
  	
  	if(layer_dstno==NULL)return -1;
  	
  	ptr_dtno = (long)&(*layer_dstno);
  	return (jlong)ptr_dtno;
  }
开发者ID:，项目名称:，代码行数:59，代码来源:

示例8: OpenWithDriverArg

GDALDataset* OGRSFDriverRegistrar::OpenWithDriverArg(GDALDriver* poDriver,
                                                 GDALOpenInfo* poOpenInfo)
{
    OGRDataSource* poDS = (OGRDataSource*)
                ((OGRSFDriver*)poDriver)->Open(poOpenInfo->pszFilename,
                                        poOpenInfo->eAccess == GA_Update);
    if( poDS != NULL )
        poDS->SetDescription( poDS->GetName() );
    return poDS;
}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:10，代码来源:ogrsfdriverregistrar.cpp

示例9: CreateVectorOnly

GDALDataset* OGRSFDriverRegistrar::CreateVectorOnly( GDALDriver* poDriver,
                                                     const char * pszName,
                                                     char ** papszOptions )
{
    OGRDataSource* poDS = (OGRDataSource*)
        ((OGRSFDriver*)poDriver)->CreateDataSource(pszName, papszOptions);
    if( poDS != NULL && poDS->GetName() != NULL )
        poDS->SetDescription( poDS->GetName() );
    return poDS;
}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:10，代码来源:ogrsfdriverregistrar.cpp

示例10: GetSummaryRefCount

int OGRDataSource::GetSummaryRefCount() const

{
    int nSummaryCount = m_nRefCount;
    int iLayer;
    OGRDataSource *poUseThis = (OGRDataSource *) this;

    for( iLayer=0; iLayer < poUseThis->GetLayerCount(); iLayer++ )
        nSummaryCount += poUseThis->GetLayer( iLayer )->GetRefCount();

    return nSummaryCount;
}
开发者ID:，项目名称:，代码行数:12，代码来源:

示例11: 

JNIEXPORT jint JNICALL Java_es_gva_cit_jogr_OGRDataSource_deleteLayerNat
  (JNIEnv *env, jobject obj, jlong cPtr, jint layer){
  	  	
  	OGRDataSource 	*ds = (OGRDataSource *) 0 ;
  	int 			ogrerr;
  	
  	ds = *(OGRDataSource **)&cPtr;
  	if(ds!=NULL){
  		ogrerr = ds->DeleteLayer(layer);
  	}
  	return ogrerr;
  }
开发者ID:，项目名称:，代码行数:12，代码来源:

示例12: CPLMutexHolderD

int OGRDataSource::GetSummaryRefCount() const

{
    CPLMutexHolderD( (void **) &m_hMutex );
    int nSummaryCount = m_nRefCount;
    int iLayer;
    OGRDataSource *poUseThis = (OGRDataSource *) this;

    for( iLayer=0; iLayer < poUseThis->GetLayerCount(); iLayer++ )
        nSummaryCount += poUseThis->GetLayer( iLayer )->GetRefCount();

    return nSummaryCount;
}
开发者ID:469447793，项目名称:World-Wind-Java，代码行数:13，代码来源:ogrdatasource.cpp

示例13: OGR_Dr_Open

OGRDataSourceH OGR_Dr_Open( OGRSFDriverH hDriver, const char *pszName, 
                            int bUpdate )

{
    VALIDATE_POINTER1( hDriver, "OGR_Dr_Open", NULL );

    OGRDataSource *poDS = ((OGRSFDriver *)hDriver)->Open( pszName, bUpdate );

    if( poDS != NULL && poDS->GetDriver() == NULL )
        poDS->SetDriver( (OGRSFDriver *)hDriver );

    return (OGRDataSourceH) poDS;
}
开发者ID:afarnham，项目名称:gdal，代码行数:13，代码来源:ogrsfdriver.cpp

示例14: VectorCreate

OGRDataSource * VectorCreate( const char * pszFormat, const char * pszFilename, char ** papszOptions/*=NULL*/ )
{
	OGRSFDriver * poDriver = GetVectorDriver(pszFormat);
	OGRDataSource * poOGRDataSource =
	    poDriver->CreateDataSource(pszFilename, papszOptions);

#ifdef TRACEON
	//测试时使用文件型数据库，没有图层时打开有问题，因此在这里放一个图层
	//这样才能打开,不用测试可以关闭，在release中没有
	poOGRDataSource->CreateLayer("TEMP", NULL, wkbUnknown, NULL);
#endif

	return poOGRDataSource;
}
开发者ID:geosky，项目名称:hpgc，代码行数:14，代码来源:geoalgorithm.format.cpp

示例15: WrapLayer

OGRLayer   *OGRDataSourceWithTransaction::CopyLayer( OGRLayer *poSrcLayer,
        const char *pszNewName,
        char **papszOptions )
{
    if( !m_poBaseDataSource ) return NULL;
    return WrapLayer(m_poBaseDataSource->CopyLayer(poSrcLayer, pszNewName, papszOptions ));
}
开发者ID:miccferr，项目名称:wmshp-electron，代码行数:7，代码来源:ogremulatedtransaction.cpp


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