QDomElement QgsWFSServer::createPolygonElem( QgsGeometry* geom, QDomDocument& doc ) const { if ( !geom ) { return QDomElement(); } QDomElement polygonElem = doc.createElement( "gml:Polygon" ); QgsPolygon poly = geom->asPolygon(); for ( int i = 0; i < poly.size(); ++i ) { QString boundaryName; if ( i == 0 ) { boundaryName = "outerBoundaryIs"; } else { boundaryName = "innerBoundaryIs"; } QDomElement boundaryElem = doc.createElementNS( "http://www.opengis.net/gml", boundaryName ); QDomElement ringElem = doc.createElement( "gml:LinearRing" ); QDomElement coordElem = createCoordinateElem( poly.at( i ), doc ); ringElem.appendChild( coordElem ); boundaryElem.appendChild( ringElem ); polygonElem.appendChild( boundaryElem ); } return polygonElem; }
std::unique_ptr<QgsPolygonV2> QgsGeometryFactory::fromPolygon( const QgsPolygon &polygon ) { std::unique_ptr< QgsPolygonV2 > poly( new QgsPolygonV2() ); QList<QgsCurve *> holes; for ( int i = 0; i < polygon.size(); ++i ) { std::unique_ptr< QgsLineString > l = linestringFromPolyline( polygon.at( i ) ); l->close(); if ( i == 0 ) { poly->setExteriorRing( l.release() ); } else { holes.push_back( l.release() ); } } poly->setInteriorRings( holes ); return poly; }
int QgsVectorLayerEditUtils::addTopologicalPoints( QgsGeometry* geom ) { if ( !L->hasGeometryType() ) return 1; if ( !geom ) { return 1; } int returnVal = 0; QGis::WkbType wkbType = geom->wkbType(); switch ( wkbType ) { //line case QGis::WKBLineString25D: case QGis::WKBLineString: { QgsPolyline theLine = geom->asPolyline(); QgsPolyline::const_iterator line_it = theLine.constBegin(); for ( ; line_it != theLine.constEnd(); ++line_it ) { if ( addTopologicalPoints( *line_it ) != 0 ) { returnVal = 2; } } break; } //multiline case QGis::WKBMultiLineString25D: case QGis::WKBMultiLineString: { QgsMultiPolyline theMultiLine = geom->asMultiPolyline(); QgsPolyline currentPolyline; for ( int i = 0; i < theMultiLine.size(); ++i ) { QgsPolyline::const_iterator line_it = currentPolyline.constBegin(); for ( ; line_it != currentPolyline.constEnd(); ++line_it ) { if ( addTopologicalPoints( *line_it ) != 0 ) { returnVal = 2; } } } break; } //polygon case QGis::WKBPolygon25D: case QGis::WKBPolygon: { QgsPolygon thePolygon = geom->asPolygon(); QgsPolyline currentRing; for ( int i = 0; i < thePolygon.size(); ++i ) { currentRing = thePolygon.at( i ); QgsPolyline::const_iterator line_it = currentRing.constBegin(); for ( ; line_it != currentRing.constEnd(); ++line_it ) { if ( addTopologicalPoints( *line_it ) != 0 ) { returnVal = 2; } } } break; } //multipolygon case QGis::WKBMultiPolygon25D: case QGis::WKBMultiPolygon: { QgsMultiPolygon theMultiPolygon = geom->asMultiPolygon(); QgsPolygon currentPolygon; QgsPolyline currentRing; for ( int i = 0; i < theMultiPolygon.size(); ++i ) { currentPolygon = theMultiPolygon.at( i ); for ( int j = 0; j < currentPolygon.size(); ++j ) { currentRing = currentPolygon.at( j ); QgsPolyline::const_iterator line_it = currentRing.constBegin(); for ( ; line_it != currentRing.constEnd(); ++line_it ) { if ( addTopologicalPoints( *line_it ) != 0 ) { returnVal = 2; } } } } break; } default: break; } return returnVal; }