Fix some GEOS noise when trying to register a line string with only

one vertex as a feature in the labeling engine We no longer try to register these features as obstacles for labels - it's not possible to handle these and they just result in noisy geos warnings on the console.
qgis · Nov 18, 2020 · 2677d55 · 2677d55
1 parent 1c076ee
commit 2677d55
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/core/labeling/qgspallabeling.cpp b/src/core/labeling/qgspallabeling.cpp
@@ -2657,6 +2657,13 @@ void QgsPalLayerSettings::registerObstacleFeature( const QgsFeature &f, QgsRende
     return;
   }
 
+  // don't even try to register linestrings with only one vertex as an obstacle
+  if ( const QgsLineString *ls = qgsgeometry_cast< const QgsLineString * >( geom.constGet() ) )
+  {
+    if ( ls->numPoints() < 2 )
+      return;
+  }
+
   // simplify?
   const QgsVectorSimplifyMethod &simplifyMethod = context.vectorSimplifyMethod();
   std::unique_ptr<QgsGeometry> scopedClonedGeom;