From 2dbf4050a133a04b142c9972685907e524ae8146 Mon Sep 17 00:00:00 2001
From: mpv <mpv@opencascade.com>
Date: Mon, 15 Jul 2019 14:47:35 +0300
Subject: [PATCH] Fix for the issue #2942 : Fatal error when select using
 filters and use object from object browser

---
 src/FiltersPlugin/FiltersPlugin_OnPlane.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/FiltersPlugin/FiltersPlugin_OnPlane.cpp b/src/FiltersPlugin/FiltersPlugin_OnPlane.cpp
index b9f632956..aaf4744de 100644
--- a/src/FiltersPlugin/FiltersPlugin_OnPlane.cpp
+++ b/src/FiltersPlugin/FiltersPlugin_OnPlane.cpp
@@ -48,6 +48,9 @@ bool FiltersPlugin_OnPlane::isSupported(GeomAPI_Shape::ShapeType theType) const
 GeomPlanePtr getPlane(AttributeSelectionPtr theAttr)
 {
   GeomShapePtr aGeom = theAttr->value();
+  if (!aGeom.get()) {  // construction plane, #2942
+    aGeom = theAttr->context()->shape();
+  }
   GeomFacePtr aFace(new GeomAPI_Face(aGeom));
   return aFace->getPlane();
 }
-- 
2.39.2