Пример #1
0
void cvct2gdal::CVCT2GDALLayer( VCTLayer * poVCTLayer, OGRLayer * poOGRLayer )
{
	OGRFeatureDefn * poOGRFeatDefn =
	    cvct2gdal::CVCT2GDALFeatureDefn ( & (poVCTLayer->featuredefn ) );

	for ( int ifield = 0; ifield < poOGRFeatDefn->GetFieldCount(); ++ifield )
	{
		poOGRLayer->CreateField ( poOGRFeatDefn->GetFieldDefn ( ifield ) );
	}

	for (auto ifeat = 0; ifeat != poVCTLayer->GetFeatureCount(); ++ifeat)
	{
		VCTFeature * poVCTFeat = poVCTLayer->GetFeatureByIndex(ifeat);
		//注意:feature在析构时,会将featuredefn也析构
		//将featuredefn复制后传入
		OGRFeature * poOGRFeat = cvct2gdal::CVCT2GDALFeature ( poVCTFeat, poOGRFeatDefn->Clone());
		poOGRLayer->CreateFeature ( poOGRFeat );

		//在window下,释放内存会报错
#ifndef WIN32
		OGRFeature::DestroyFeature(poOGRFeat);
#endif

	}

	//在window下,释放内存会报错
#ifndef WIN32
	poOGRFeatDefn->Release();
#endif
}
Пример #2
0
JNIEXPORT jlong JNICALL Java_es_gva_cit_jogr_OGRFeatureDefn_cloneFeatureDefnNat
  (JNIEnv *env, jobject obj, jlong cPtr){
  
  	  OGRFeatureDefn 	*fd = (OGRFeatureDefn *) 0 ;
   	  OGRFeatureDefn 	*return_fd;
   	  long				ptr_fd=-1;
   	  
	  fd = *(OGRFeatureDefn **)&cPtr;
	  if(fd!=NULL){
	  	return_fd = fd->Clone();
	  	if(return_fd!=NULL)
	  	  	ptr_fd = (long)&(*return_fd);
	  }
	  
      return (jlong)ptr_fd;
  }
OGRFeatureDefn *OGRLayerWithTransaction::GetLayerDefn()
{
    if( !m_poDecoratedLayer )
    {
        if( m_poFeatureDefn == NULL )
        {
            m_poFeatureDefn = new OGRFeatureDefn(GetDescription());
            m_poFeatureDefn->Reference();
        }
        return m_poFeatureDefn;
    }
    else if( m_poFeatureDefn == NULL )
    {
        OGRFeatureDefn* poSrcFeatureDefn = m_poDecoratedLayer->GetLayerDefn();
        m_poFeatureDefn = poSrcFeatureDefn->Clone();
        m_poFeatureDefn->Reference();
    }
    return m_poFeatureDefn;
}