这篇教程C++ GetNextRawFeature函数代码示例写得很实用，希望能帮到您。
本文整理汇总了C++中GetNextRawFeature函数的典型用法代码示例。如果您正苦于以下问题：C++ GetNextRawFeature函数的具体用法？C++ GetNextRawFeature怎么用？C++ GetNextRawFeature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GetNextRawFeature函数的18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: whileOGRFeature *OGRIdrisiLayer::GetNextFeature(){ OGRFeature *poFeature; while(TRUE) { if (bEOF) return NULL; poFeature = GetNextRawFeature(); if (poFeature == NULL) { bEOF = TRUE; return NULL; } if((m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:rashadkm，项目名称:lib_gdal，代码行数:27，
示例2: whileOGRFeature *OGRHTFLayer::GetNextFeature(){ OGRFeature *poFeature; if (fpHTF == NULL || bEOF) return NULL; while(!bEOF) { poFeature = GetNextRawFeature(); if (poFeature == NULL) return NULL; if((m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; } return NULL;}
开发者ID:AsherBond，项目名称:MondocosmOS，代码行数:26，
示例3: GetLayerDefnOGRFeature *OGRGFTLayer::GetNextFeature(){ GetLayerDefn(); while( true ) { if (nNextInSeq < nOffset || nNextInSeq >= nOffset + static_cast<int>(aosRows.size())) { if (bEOF) return nullptr; nOffset += static_cast<int>(aosRows.size()); if (!FetchNextRows()) return nullptr; } OGRFeature *poFeature = GetNextRawFeature(); if (poFeature == nullptr) return nullptr; if((m_poFilterGeom == nullptr || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == nullptr || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:koordinates，项目名称:gdal，代码行数:32，
示例4: ResetReadingOGRFeature *OGROGDILayer::GetNextFeature(){ OGRFeature *poFeature; /* Reset reading if we are not the current layer */ /* WARNING : this does not allow interleaved reading of layers */ if( m_poODS->GetCurrentLayer() != this ) { m_poODS->SetCurrentLayer(this); ResetReading(); } while( true ) { poFeature = GetNextRawFeature(); if( poFeature == NULL ) return NULL; /* -------------------------------------------------------------------- */ /* Do we need to apply an attribute test? */ /* -------------------------------------------------------------------- */ if( (m_poAttrQuery != NULL && !m_poAttrQuery->Evaluate( poFeature ) ) || (m_poFilterGeom != NULL && !FilterGeometry( poFeature->GetGeometryRef() ) ) ) { m_nFilteredOutShapes ++; delete poFeature; } else return poFeature; }}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:34，
示例5: ClearStatementOGRFeature *OGRWalkTableLayer::GetFeature( long nFeatureId ){ if( pszFIDColumn == NULL ) return OGRWalkLayer::GetFeature( nFeatureId ); ClearStatement(); iNextShapeId = nFeatureId; poStmt = new CPLODBCStatement( poDS->GetSession() ); poStmt->Append( "SELECT * FROM " ); poStmt->Append( poFeatureDefn->GetName() ); poStmt->Append( "Features" ); poStmt->Appendf( " WHERE %s = %ld", pszFIDColumn, nFeatureId ); if( !poStmt->ExecuteSQL() ) { delete poStmt; poStmt = NULL; return NULL; } return GetNextRawFeature();}
开发者ID:samalone，项目名称:gdal-ios，代码行数:25，
示例6: GetNextRawFeatureOGRFeature *OGRPGResultLayer::GetNextFeature(){ OGRPGGeomFieldDefn* poGeomFieldDefn = NULL; if( poFeatureDefn->GetGeomFieldCount() != 0 ) poGeomFieldDefn = poFeatureDefn->myGetGeomFieldDefn(m_iGeomFieldFilter); for( ; TRUE; ) { OGRFeature *poFeature; poFeature = GetNextRawFeature(); if( poFeature == NULL ) return NULL; if( (m_poFilterGeom == NULL || poGeomFieldDefn == NULL || poGeomFieldDefn->ePostgisType == GEOM_TYPE_GEOMETRY || poGeomFieldDefn->ePostgisType == GEOM_TYPE_GEOGRAPHY || FilterGeometry( poFeature->GetGeomFieldRef(m_iGeomFieldFilter) ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) return poFeature; delete poFeature; }}
开发者ID:0004c，项目名称:node-gdal，代码行数:27，
示例7: GetLayerDefnOGRFeature *OGRGFTLayer::GetNextFeature(){ OGRFeature *poFeature; GetLayerDefn(); while(TRUE) { if (nNextInSeq < nOffset || nNextInSeq >= nOffset + (int)aosRows.size()) { if (bEOF) return NULL; nOffset += aosRows.size(); if (!FetchNextRows()) return NULL; } poFeature = GetNextRawFeature(); if (poFeature == NULL) return NULL; if((m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:samalone，项目名称:gdal-ios，代码行数:34，
示例8: whileOGRFeature *OGRGMELayer::GetNextFeature(){ OGRFeature *poFeature = NULL; while( TRUE ) { poFeature = GetNextRawFeature(); if( poFeature == NULL ) break; // incremeted in GetNextRawFeature() // m_nFeaturesRead++; if( (m_poFilterGeom == NULL || poFeature->GetGeometryRef() == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) break; delete poFeature; } return poFeature;}
开发者ID:samalone，项目名称:gdal-ios，代码行数:25，
示例9: ClearQueryOGRFeature *OGRIDBTableLayer::GetFeature( GIntBig nFeatureId ){ if( pszFIDColumn == NULL ) return OGRIDBLayer::GetFeature( nFeatureId ); ClearQuery(); iNextShapeId = nFeatureId; poCurr = new ITCursor( *poDS->GetConnection() ); // Create list of fields CPLString osFields; if ( poFeatureDefn->GetFieldIndex( pszFIDColumn ) == -1 ) osFields += pszFIDColumn; if ( pszGeomColumn ) { if ( ! osFields.empty() ) osFields += ","; osFields += "st_asbinary("; osFields += pszGeomColumn; osFields += ") as "; osFields += pszGeomColumn; } for( int i = 0; i < poFeatureDefn->GetFieldCount(); i++ ) { if ( ! osFields.empty() ) osFields += ","; osFields += poFeatureDefn->GetFieldDefn(i)->GetNameRef(); } CPLString sql; sql.Printf( "SELECT %s FROM %s WHERE %s = %d", osFields.c_str(), poFeatureDefn->GetName(), pszFIDColumn, nFeatureId ); CPLDebug( "OGR_IDB", "ExecuteSQL(%s)", sql.c_str() ); if( !poCurr->Prepare( sql.c_str() ) || !poCurr->Open(ITCursor::ReadOnly) ) { delete poCurr; poCurr = NULL; return NULL; } return GetNextRawFeature();}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:54，
示例10: GetNextRawFeatureOGRFeature *OGRPLScenesLayer::GetNextFeature(){ if( !bFilterMustBeClientSideEvaluated ) return GetNextRawFeature(); while( true ) { OGRFeature *poFeature = NULL; poFeature = GetNextRawFeature(); if (poFeature == NULL) return NULL; if((m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:ryandavid，项目名称:rotobox，代码行数:23，
示例11: SetSpatialFilterOGRFeature *OGROGDILayer::GetFeature( GIntBig nFeatureId ){ ecs_Result *psResult; if (m_nTotalShapeCount != -1 && nFeatureId > m_nTotalShapeCount) return NULL; /* Unset spatial filter */ OGRGeometry* poOldFilterGeom = ( m_poFilterGeom != NULL ) ? m_poFilterGeom->clone() : NULL; if( poOldFilterGeom != NULL ) SetSpatialFilter(NULL); /* Reset reading if we are not the current layer */ /* WARNING : this does not allow interleaved reading of layers */ if( m_poODS->GetCurrentLayer() != this ) { m_poODS->SetCurrentLayer(this); ResetReading(); } else if ( nFeatureId < m_iNextShapeId ) ResetReading(); while(m_iNextShapeId != nFeatureId) { psResult = cln_GetNextObject(m_nClientID); if (ECSSUCCESS(psResult)) m_iNextShapeId++; else { // We probably reached EOF... keep track of shape count. m_nTotalShapeCount = m_iNextShapeId; if( poOldFilterGeom != NULL ) { SetSpatialFilter(poOldFilterGeom); delete poOldFilterGeom; } return NULL; } } // OK, we're ready to read the requested feature... OGRFeature* poFeature = GetNextRawFeature(); if( poOldFilterGeom != NULL ) { SetSpatialFilter(poOldFilterGeom); delete poOldFilterGeom; } return poFeature;}
开发者ID:Wedjaa，项目名称:node-gdal，代码行数:50，
示例12: whileOGRFeature *OGRWalkLayer::GetNextFeature(){ while( true ) { OGRFeature *poFeature = GetNextRawFeature(); if( poFeature == nullptr ) return nullptr; if( (m_poFilterGeom == nullptr || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == nullptr || m_poAttrQuery->Evaluate( poFeature )) ) return poFeature; delete poFeature; }}
开发者ID:koordinates，项目名称:gdal，代码行数:18，
示例13: whileOGRFeature *OGRIngresLayer::GetNextFeature(){ while( true ) { OGRFeature *poFeature = GetNextRawFeature(); if( poFeature == NULL ) return NULL; if( (m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) return poFeature; delete poFeature; }}
开发者ID:Mavrx-inc，项目名称:gdal，代码行数:18，
示例14: GetNextRawFeatureOGRFeature *OGRMDBLayer::GetNextFeature(){ for( ; TRUE; ) { OGRFeature *poFeature; poFeature = GetNextRawFeature(); if( poFeature == NULL ) return NULL; if( (m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) return poFeature; delete poFeature; }}
开发者ID:0004c，项目名称:node-gdal，代码行数:20，
示例15: GetLayerDefnOGRFeature *OGRXLSLayer::GetNextFeature(){ GetLayerDefn(); while( true ) { OGRFeature *poFeature = GetNextRawFeature(); if (poFeature == nullptr) return nullptr; if(/*(m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && */ (m_poAttrQuery == nullptr || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:OSGeo，项目名称:gdal，代码行数:21，
示例16: whileOGRFeature *OGROpenAirLayer::GetNextFeature(){ OGRFeature *poFeature; while(TRUE) { poFeature = GetNextRawFeature(); if (poFeature == NULL) return NULL; if((m_poFilterGeom == NULL || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == NULL || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:drownedout，项目名称:datamap，代码行数:21，
示例17: whileOGRFeature *OGRAeronavFAALayer::GetNextFeature(){ while( true ) { if( bEOF ) return nullptr; OGRFeature *poFeature = GetNextRawFeature(); if (poFeature == nullptr) return nullptr; if((m_poFilterGeom == nullptr || FilterGeometry( poFeature->GetGeometryRef() ) ) && (m_poAttrQuery == nullptr || m_poAttrQuery->Evaluate( poFeature )) ) { return poFeature; } else delete poFeature; }}
开发者ID:koordinates，项目名称:gdal，代码行数:22，
示例18: ClearStatementOGRFeature *OGRMSSQLSpatialTableLayer::GetFeature( long nFeatureId ){ if( pszFIDColumn == NULL ) return OGRMSSQLSpatialLayer::GetFeature( nFeatureId ); ClearStatement(); iNextShapeId = nFeatureId; poStmt = new CPLODBCStatement( poDS->GetSession() ); CPLString osFields = BuildFields(); poStmt->Appendf( "select %s from %s where %s = %ld", osFields.c_str(), poFeatureDefn->GetName(), pszFIDColumn, nFeatureId ); if( !poStmt->ExecuteSQL() ) { delete poStmt; poStmt = NULL; return NULL; } return GetNextRawFeature();}
开发者ID:sylvainallard，项目名称:gdal，代码行数:24，
注：本文中的GetNextRawFeature函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
C++ GetNextSelectedItem函数代码示例
C++ GetNextNode函数代码示例 |
