IndexExtent fix

Backport from cd1f316
qgis · Jan 18, 2019 · c5512a4 · c5512a4
1 parent f99a911
commit c5512a4
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/core/qgssnappingutils.cpp b/src/core/qgssnappingutils.cpp
@@ -89,9 +89,12 @@ bool QgsSnappingUtils::isIndexPrepared( QgsVectorLayer *vl, const QgsRectangle &
   if ( mStrategy == IndexAlwaysFull && loc->hasIndex() )
     return true;
 
+  if ( mStrategy == IndexExtent && loc->hasIndex() && loc->extent()->intersects( areaOfInterest ) )
+    return true;
+
   QgsRectangle aoi( areaOfInterest );
   aoi.scale( 0.999 );
-  return ( mStrategy == IndexHybrid || mStrategy == IndexExtent ) && loc->hasIndex() && ( !loc->extent() || loc->extent()->contains( aoi ) ); // the index - even if it exists - is not suitable
+  return mStrategy == IndexHybrid && loc->hasIndex() && ( !loc->extent() || loc->extent()->contains( aoi ) ); // the index - even if it exists - is not suitable
 }
 
 static QgsPointLocator::Match _findClosestSegmentIntersection( const QgsPointXY &pt, const QgsPointLocator::MatchList &segments )