From: eap <eap@opencascade.com>
Date: Wed, 24 Oct 2012 15:46:31 +0000 (+0000)
Subject: 0021921: [CEA 690] GetVolume applied on many elements has performance issue
X-Git-Tag: V6_6_0b1~39
X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=commitdiff_plain;h=6d1ea10cad97c4dc9a9b7d009ec3ef641f914c23;ds=sidebyside

0021921: [CEA 690] GetVolume applied on many elements has performance issue

 Optimize _valueFromFunctor()
---

diff --git a/src/SMESH_SWIG/smeshDC.py b/src/SMESH_SWIG/smeshDC.py
index c57c6773d..87d32ec81 100644
--- a/src/SMESH_SWIG/smeshDC.py
+++ b/src/SMESH_SWIG/smeshDC.py
@@ -957,6 +957,7 @@ class Mesh:
     geom = 0
     mesh = 0
     editor = 0
+    functors = [None] * SMESH.FT_Undefined._v
 
     ## Constructor
     #
@@ -4056,9 +4057,16 @@ class Mesh:
     def CreateHoleSkin(self, radius, theShape, groupName, theNodesCoords):
         return self.editor.CreateHoleSkin( radius, theShape, groupName, theNodesCoords )
 
+    def _getFunctor(self, funcType ):
+        fn = self.functors[ funcType._v ]
+        if not fn:
+            fn = self.smeshpyD.GetFunctor(funcType)
+            fn.SetMesh(self.mesh)
+            self.functors[ funcType._v ] = fn
+        return fn
+
     def _valueFromFunctor(self, funcType, elemId):
-        fn = self.smeshpyD.GetFunctor(funcType)
-        fn.SetMesh(self.mesh)
+        fn = self._getFunctor( funcType )
         if fn.GetElementType() == self.GetElementType(elemId, True):
             val = fn.GetValue(elemId)
         else: