From 6c9bc938125376a2670ecf9047eff5ca853bf3ba Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Fri, 29 Apr 2016 12:10:45 +1000
Subject: [PATCH] Fix delete ring tool not updating rendered feature (fix
 #14741)

---
 src/core/geometry/qgsgeometry.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/geometry/qgsgeometry.cpp b/src/core/geometry/qgsgeometry.cpp
index 3bffeea23a59..3bb3a426a0f4 100644
--- a/src/core/geometry/qgsgeometry.cpp
+++ b/src/core/geometry/qgsgeometry.cpp
@@ -1525,8 +1525,9 @@ bool QgsGeometry::deleteRing( int ringNum, int partNum )
   }
 
   detach( true );
-
-  return QgsGeometryEditUtils::deleteRing( d->geometry, ringNum, partNum );
+  bool ok = QgsGeometryEditUtils::deleteRing( d->geometry, ringNum, partNum );
+  removeWkbGeos();
+  return ok;
 }
 
 bool QgsGeometry::deletePart( int partNum )
@@ -1677,6 +1678,7 @@ void QgsGeometry::mapToPixel( const QgsMapToPixel& mtp )
   {
     detach();
     d->geometry->transform( mtp.transform() );
+    removeWkbGeos();
   }
 }