From: mzn <mzn@opencascade.com>
Date: Mon, 6 Sep 2010 10:54:26 +0000 (+0000)
Subject: Fix for bug 0020953 (EDF 1485 VISU: Problem with a scale factor in successive animation).
X-Git-Tag: V5_1_main_20100908
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2FBR_WIN_INDUS;p=modules%2Fvisu.git

Fix for bug 0020953 (EDF 1485 VISU: Problem with a scale factor in successive animation).
---

diff --git a/src/VISUGUI/VisuGUI_TimeAnimation.cxx b/src/VISUGUI/VisuGUI_TimeAnimation.cxx
index 149f3ea7..30c672db 100644
--- a/src/VISUGUI/VisuGUI_TimeAnimation.cxx
+++ b/src/VISUGUI/VisuGUI_TimeAnimation.cxx
@@ -107,12 +107,19 @@ namespace {
     if(theAnimator->getNbFields() == 0)
       return;
 
+    int aRefFieldId = ( theAnimator->getAnimationMode() == VISU::Animation::PARALLEL ) ? theFieldId : 0;
+    
+    VISU::ColoredPrs3d_i* aInitialPrs3d = 0;
+    if (theAnimator->getFieldData(aRefFieldId).myPrs.size() > 0)
+      aInitialPrs3d = dynamic_cast<VISU::ColoredPrs3d_i*>(theAnimator->getFieldData(aRefFieldId).myPrs[0]);
+
     theAnimator->generatePresentations(theFieldId);
-    FieldData& aFieldData = theAnimator->getFieldData(theFieldId);
 
+    if (!aInitialPrs3d)
+      aInitialPrs3d = dynamic_cast<VISU::ColoredPrs3d_i*>(theAnimator->getFieldData(aRefFieldId).myPrs[0]);
 
-    int aRefFieldId = ( theAnimator->getAnimationMode() == VISU::Animation::PARALLEL ) ? theFieldId : 0;
-    if(VISU::ColoredPrs3d_i* aInitialPrs3d = dynamic_cast<VISU::ColoredPrs3d_i*>(theAnimator->getFieldData(aRefFieldId).myPrs[0])){
+    if (aInitialPrs3d) {
+      FieldData& aFieldData = theAnimator->getFieldData(theFieldId);
       for (long aFrameId = 0; aFrameId < aFieldData.myNbFrames; aFrameId++) {
         VISU::ColoredPrs3d_i* aColoredPrs3d = aFieldData.myPrs[aFrameId];