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Ignore invalid polygon geometries to avoid crashes in tessellation

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This commit is contained in:
Martin Dobias 2017-08-14 13:54:35 +02:00
parent 33f7c17740
commit 35b37a228f
1 changed files with 7 additions and 0 deletions
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7
src/3d/polygonentity.cpp
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@ -102,6 +102,13 @@ Qt3DRender::QGeometryRenderer *PolygonEntityNode::renderer( const Map3D &map, co
if ( QgsWkbTypes::isCurvedType( geom.geometry()->wkbType() ) ) if ( QgsWkbTypes::isCurvedType( geom.geometry()->wkbType() ) )
geom = QgsGeometry( geom.geometry()->segmentize() ); geom = QgsGeometry( geom.geometry()->segmentize() );
if ( !geom.isGeosValid() )
{
// invalid geometries break tessellation
qDebug() << "skipping invalid geometry" << f.id();
continue;
}
QgsAbstractGeometry *g = geom.geometry(); QgsAbstractGeometry *g = geom.geometry();
if ( QgsWkbTypes::flatType( g->wkbType() ) == QgsWkbTypes::Polygon ) if ( QgsWkbTypes::flatType( g->wkbType() ) == QgsWkbTypes::Polygon )