From 2434e5f0ade97f2c77f31c7e470baa17d1be5047 Mon Sep 17 00:00:00 2001
From: sln <sln@opencascade.com>
Date: Fri, 11 Apr 2008 07:08:35 +0000
Subject: [PATCH] Bug NPAL19435 EDF 687 VISU: Picking non available when we
 have 2 views. The bug is solved. Verifications on null myPickingSettings
 object are added.

---
 src/OBJECT/VISU_GaussPtsAct.cxx | 42 ++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/src/OBJECT/VISU_GaussPtsAct.cxx b/src/OBJECT/VISU_GaussPtsAct.cxx
index 5226e7c7..11f02cc0 100644
--- a/src/OBJECT/VISU_GaussPtsAct.cxx
+++ b/src/OBJECT/VISU_GaussPtsAct.cxx
@@ -737,22 +737,24 @@ VISU_GaussPtsAct
 	  vtkDataSet* aDataSet = GetInput();
 	  vtkPointData* aPointData = aDataSet->GetPointData();
 	  if(vtkDataArray *aScalarArray = aPointData->GetScalars()){
-	    vtkFloatingPointType aPyramidHeight = myPickingSettings->GetPyramidHeight();
-	    aPyramidHeight = aPyramidHeight*myGaussPointsPL->GetMaxPointSize();
-	    //vtkFloatingPointType aColor[3] = myPreHighlightActor->GetProperty()->GetColor();
-	    vtkFloatingPointType aColor[3];
-	    theInteractorStyle->GetCurrentRenderer()->GetBackground( aColor );
-	    aColor[0] = 1. - aColor[0];
-	    aColor[1] = 1. - aColor[1];
-	    aColor[2] = 1. - aColor[2];
-
-	    myCursorPyramid->Init(aPyramidHeight,
-				  myPickingSettings->GetCursorSize(),
-				  GetRadius(anObjId,aVtkId,aScalarArray),
-				  GetMagnification(anObjId),
-				  GetClamp(anObjId),
-				  aNodeCoord,
-				  aColor);
+	    if ( myPickingSettings ){
+	      vtkFloatingPointType aPyramidHeight = myPickingSettings->GetPyramidHeight();
+	      aPyramidHeight = aPyramidHeight*myGaussPointsPL->GetMaxPointSize();
+	      //vtkFloatingPointType aColor[3] = myPreHighlightActor->GetProperty()->GetColor();
+	      vtkFloatingPointType aColor[3];
+	      theInteractorStyle->GetCurrentRenderer()->GetBackground( aColor );
+	      aColor[0] = 1. - aColor[0];
+	      aColor[1] = 1. - aColor[1];
+	      aColor[2] = 1. - aColor[2];
+
+	      myCursorPyramid->Init(aPyramidHeight,
+				    myPickingSettings->GetCursorSize(),
+				    GetRadius(anObjId,aVtkId,aScalarArray),
+				    GetMagnification(anObjId),
+				    GetClamp(anObjId),
+				    aNodeCoord,
+				    aColor);
+	    }
 	  }
 	  myLastPreHighlightObjID = anObjId;
 	}
@@ -776,7 +778,7 @@ ChangeZoom(VISU_PickingSettings *thePickingSettings,
 	   vtkIdType theInitialHasIndex,
 	   vtkIdType theCurrentHasIndex)
 {
-  if(theInitialHasIndex + theCurrentHasIndex == 1){
+  if( (theInitialHasIndex + theCurrentHasIndex == 1) && thePickingSettings){
     vtkCamera *aCamera = theRenderer->GetActiveCamera();
 
     vtkFloatingPointType aZoomFactor = thePickingSettings->GetZoomFactor();
@@ -912,6 +914,12 @@ VISU_GaussPtsAct
   if(!mySelector.GetPointer())
     return;
 
+  if ( !myPickingSettings )
+  {
+    Superclass::Highlight(theIsHighlight);
+    return;
+  }
+
   Selection_Mode aSelectionMode = mySelector->SelectionMode();
   
   bool anInitialHasIndex = isHighlighted() && mySelectionMode == GaussPointSelection;
-- 
2.39.2