void ForceValidityVisitor::visit( MultiLineString& g )
{
g.forceValidityFlag( valid_ );
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
visit( g.lineStringN( i ) );
}
}
void WktWriter::write( const MultiLineString & g )
{
_s << "MULTILINESTRING" ;
if ( g.isEmpty() ){
_s << " EMPTY" ;
return ;
}
_s << "(";
for ( size_t i = 0; i < g.numGeometries(); i++ ){
if ( i != 0 )
_s << "," ;
writeInner( g.geometryN(i).as< LineString >() );
}
_s << ")";
}
void BoundaryVisitor::visit( const MultiLineString& g )
{
if ( g.isEmpty() ) {
_boundary.reset();
return ;
}
/*
* create a GeometryGraph and rely on vertex degree (1 means boundary)
*/
graph::GeometryGraph graph ;
graph::GeometryGraphBuilder graphBuilder( graph ) ;
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
graphBuilder.addLineString( g.lineStringN( i ) );
}
getBoundaryFromLineStrings( graph ) ;
}
void GetPointsVisitor::visit( const MultiLineString& g )
{
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
visit( g.lineStringN( i ) );
}
}
