From 6dcedbbc6886f7a06b06508997dab07a146cd3ef Mon Sep 17 00:00:00 2001
From: apo <apo@opencascade.com>
Date: Tue, 11 Apr 2006 07:37:39 +0000
Subject: [PATCH] Fix on Bug1984  	TC: Sphere and Plane segmentation for
 planar mesh give SIGFPE fatal error - Additional checks were provided in
 order to avoid calaculation on invalid bounding boxes

---
 src/OBJECT/VISU_GaussPtsAct.cxx         | 12 +++++++++++-
 src/OBJECT/VISU_GaussPtsAct.h           |  4 ++++
 src/OBJECT/VISU_GaussPtsDeviceActor.cxx | 16 ++++++++++++++++
 src/OBJECT/VISU_GaussPtsDeviceActor.h   |  4 ++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/OBJECT/VISU_GaussPtsAct.cxx b/src/OBJECT/VISU_GaussPtsAct.cxx
index 64acea7b..0568b2f5 100644
--- a/src/OBJECT/VISU_GaussPtsAct.cxx
+++ b/src/OBJECT/VISU_GaussPtsAct.cxx
@@ -603,7 +603,9 @@ VISU_GaussPtsAct
 }
 
 //----------------------------------------------------------------------------
-bool VISU_GaussPtsAct::IsInfinitive()
+bool
+VISU_GaussPtsAct
+::IsInfinitive()
 {
   if(vtkMapper* aMapper = myDeviceActor->GetMapper()){
     if(vtkDataSet* aDataSet= aMapper->GetInput()){
@@ -614,6 +616,14 @@ bool VISU_GaussPtsAct::IsInfinitive()
   return myIsInfinite;
 }
 
+//----------------------------------------------------------------------------
+int
+VISU_GaussPtsAct
+::GetPickable()
+{
+  return myDeviceActor->GetPickable();
+}
+
 //----------------------------------------------------------------------------
 bool
 VISU_GaussPtsAct
diff --git a/src/OBJECT/VISU_GaussPtsAct.h b/src/OBJECT/VISU_GaussPtsAct.h
index 105db840..ef7279c6 100644
--- a/src/OBJECT/VISU_GaussPtsAct.h
+++ b/src/OBJECT/VISU_GaussPtsAct.h
@@ -231,6 +231,10 @@ class VTKOCC_EXPORT VISU_GaussPtsAct : public VISU_Actor
   bool
   IsInfinitive();
 
+  virtual
+  int
+  GetPickable();
+
  protected:
   //----------------------------------------------------------------------------
   VISU_GaussPtsAct();
diff --git a/src/OBJECT/VISU_GaussPtsDeviceActor.cxx b/src/OBJECT/VISU_GaussPtsDeviceActor.cxx
index cc600ca7..912c2e0a 100644
--- a/src/OBJECT/VISU_GaussPtsDeviceActor.cxx
+++ b/src/OBJECT/VISU_GaussPtsDeviceActor.cxx
@@ -152,6 +152,22 @@ VISU_GaussPtsDeviceActor
   return myMapper.GetPointer();
 }
 
+int
+VISU_GaussPtsDeviceActor
+::GetPickable()
+{
+  if(Superclass::GetPickable()){
+    if(vtkMapper* aMapper = GetPSMapper()){
+      if(vtkDataSet* aDataSet= aMapper->GetInput()){
+	aDataSet->Update();
+	return aDataSet->GetNumberOfCells() > 0;
+      }
+    }
+  }
+
+  return false;
+}
+
 
 //----------------------------------------------------------------------------
 void
diff --git a/src/OBJECT/VISU_GaussPtsDeviceActor.h b/src/OBJECT/VISU_GaussPtsDeviceActor.h
index 096c91c1..c03d736c 100644
--- a/src/OBJECT/VISU_GaussPtsDeviceActor.h
+++ b/src/OBJECT/VISU_GaussPtsDeviceActor.h
@@ -79,6 +79,10 @@ class VISU_GaussPtsDeviceActor: public vtkLODActor
   VISU_OpenGLPointSpriteMapper*
   GetPSMapper();
 
+  virtual
+  int
+  GetPickable();
+
  protected:
   //----------------------------------------------------------------------------
   vtkSmartPointer<VISU_GaussPointsPL> myPipeLine;
-- 
2.39.2