X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FGeomAlgoAPI%2FGeomAlgoAPI_FaceBuilder.cpp;h=8e108ebfa01d4f3423bba3c23f8a617500c69d60;hb=28d317bd93c0cecba59d648d76209cc3c6200ace;hp=46a46d233446b0a923c44dd605128f3e16f88105;hpb=5dfebcc3a72f75f043de9880419b39f073af6819;p=modules%2Fshaper.git

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_FaceBuilder.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_FaceBuilder.cpp
index 46a46d233..8e108ebfa 100644
--- a/src/GeomAlgoAPI/GeomAlgoAPI_FaceBuilder.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_FaceBuilder.cpp
@@ -67,6 +67,12 @@ std::shared_ptr<GeomAPI_Pln> GeomAlgoAPI_FaceBuilder::plane(
   gp_Pln aPln = isPlanar.Plan();
   double aA, aB, aC, aD;
   aPln.Coefficients(aA, aB, aC, aD);
+  if (aFace.Orientation() == TopAbs_REVERSED) {
+    aA = -aA;
+    aB = -aB;
+    aC = -aC;
+    aD = -aD;
+  }
   aResult = std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(aA, aB, aC, aD));
   return aResult;
 }