void ForceValidityVisitor::visit( MultiPolygon& g )
{
g.forceValidityFlag( valid_ );
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
visit( g.polygonN( i ) );
}
}
std::auto_ptr< MultiLineString > straightSkeleton( const MultiPolygon& g )
{
std::auto_ptr< MultiLineString > result( new MultiLineString );
for ( size_t i = 0; i < g.numGeometries(); i++ ){
Polygon_with_holes_2 polygon = g.polygonN(i).toPolygon_with_holes_2() ;
boost::shared_ptr< Straight_skeleton_2 > skeleton = CGAL::create_interior_straight_skeleton_2( polygon ) ;
straightSkeletonToMultiLineString( *skeleton, *result ) ;
}
return result ;
}
void BoundaryVisitor::visit( const MultiPolygon& g )
{
graph::GeometryGraph graph ;
graph::GeometryGraphBuilder graphBuilder( graph ) ;
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
graphBuilder.addPolygon( g.polygonN( i ) );
}
getBoundaryFromPolygons( graph ) ;
}
std::auto_ptr< Geometry > building(
const MultiPolygon& g,
const Kernel::FT& wallHeight,
const Kernel::FT& roofSlope
)
{
std::auto_ptr< MultiSolid > multiSolid( new MultiSolid );
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
multiSolid->addGeometry( building( g.polygonN( i ), wallHeight, roofSlope ).release() );
}
return std::auto_ptr< Geometry >( multiSolid.release() );
}
void GetPointsVisitor::visit( const MultiPolygon& g )
{
for ( size_t i = 0; i < g.numGeometries(); i++ ) {
visit( g.polygonN( i ) );
}
}