From 4ab2da1e9fb9352011556d393e63bd7fea57d817 Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Thu, 2 Nov 2006 09:37:19 +0000
Subject: [PATCH] To improve a way to update actor (only if necessary)

---
 src/OBJECT/VISU_Actor.cxx  | 3 ++-
 src/OBJECT/VISU_Actor.h    | 2 ++
 src/VISU_I/VISU_Prs3d_i.cc | 4 ----
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/OBJECT/VISU_Actor.cxx b/src/OBJECT/VISU_Actor.cxx
index bdd67e38..834744ef 100644
--- a/src/OBJECT/VISU_Actor.cxx
+++ b/src/OBJECT/VISU_Actor.cxx
@@ -195,7 +195,8 @@ void
 VISU_Actor
 ::UpdateFromFactory()
 {
-  if(GetMTime() < myActorFactory->GetMTime()){
+  if(myUpdateFromFactoryTime.GetMTime() < myActorFactory->GetMTime()){
+    myUpdateFromFactoryTime.Modified();
     myActorFactory->UpdateActor(this);
     Update();
   }
diff --git a/src/OBJECT/VISU_Actor.h b/src/OBJECT/VISU_Actor.h
index 3651a0a2..30f71910 100644
--- a/src/OBJECT/VISU_Actor.h
+++ b/src/OBJECT/VISU_Actor.h
@@ -34,6 +34,7 @@
 #include "VISU_BoostSignals.h"
 
 #include <string>
+#include <vtkTimeStamp.h>
 #include <vtkSmartPointer.h>
 
 class vtkProp;
@@ -240,6 +241,7 @@ class VTKOCC_EXPORT VISU_Actor :
   vtkSmartPointer<vtkDataSetMapper> myMapper;
 
   VISU::TActorFactory* myActorFactory;
+  vtkTimeStamp myUpdateFromFactoryTime;
   boost::signal1<void,VISU_Actor*> myDestroySignal;
 
   vtkSmartPointer<VTKViewer_ShrinkFilter> myShrinkFilter;
diff --git a/src/VISU_I/VISU_Prs3d_i.cc b/src/VISU_I/VISU_Prs3d_i.cc
index 6e6f9424..f40c1aa1 100644
--- a/src/VISU_I/VISU_Prs3d_i.cc
+++ b/src/VISU_I/VISU_Prs3d_i.cc
@@ -290,9 +290,6 @@ void
 VISU::Prs3d_i
 ::CheckDataSet() 
 {
-  if(GetMTime() < myUpdateTime.GetMTime())
-    return;
-
   vtkMapper *aMapper = GetPipeLine()->GetMapper();
   vtkDataSet *aDataSet = aMapper->GetInput();
   if (!aDataSet)
@@ -437,7 +434,6 @@ VISU::Prs3d_i
   if(MYDEBUG) MESSAGE("Prs3d_i::UpdateActor - this = "<<this<<"; theActor = "<<theActor);
   theActor->SetPosition(myOffset[0],myOffset[1],myOffset[2]);
   theActor->ShallowCopyPL(GetPipeLine());
-  theActor->Modified();
 }
 
 void
-- 
2.39.2