Fix paraview hanging problem.

Graphics/vtkConeSource.cxx

@@ -23,7 +23,7 @@
 
 #include <math.h>
 
-vtkCxxRevisionMacro(vtkConeSource, "1.65");
+vtkCxxRevisionMacro(vtkConeSource, "1.66");
 vtkStandardNewMacro(vtkConeSource);
 
 //----------------------------------------------------------------------------
@@ -66,6 +66,10 @@ void vtkConeSource::Execute()
   int createBottom;
   
   piece = output->GetUpdatePiece();
+  if (piece >= this->Resolution)
+    {
+    return;
+    }
   numPieces = output->GetUpdateNumberOfPieces();
   maxPieces = this->Resolution != 0 ? this->Resolution : 1;
   if (numPieces > maxPieces)
@@ -263,7 +267,7 @@ void vtkConeSource::Execute()
 //----------------------------------------------------------------------------
 void vtkConeSource::ExecuteInformation()
 {
-  this->GetOutput()->SetMaximumNumberOfPieces(this->Resolution);
+  this->GetOutput()->SetMaximumNumberOfPieces(-1);
 }
 
 

Graphics/vtkLineSource.cxx

@@ -22,7 +22,7 @@
 #include "vtkPolyData.h"
 
 #include <math.h>
-vtkCxxRevisionMacro(vtkLineSource, "1.44");
+vtkCxxRevisionMacro(vtkLineSource, "1.45");
 vtkStandardNewMacro(vtkLineSource);
 
 vtkLineSource::vtkLineSource(int res)
@@ -38,6 +38,13 @@ vtkLineSource::vtkLineSource(int res)
   this->Resolution = (res < 1 ? 1 : res);
 }
 
+
+
+void vtkLineSource::ExecuteInformation()
+{
+  this->GetOutput()->SetMaximumNumberOfPieces(-1);
+}
+
 void vtkLineSource::Execute()
 {
   int numLines=this->Resolution;
@@ -49,6 +56,11 @@ void vtkLineSource::Execute()
   vtkCellArray *newLines;
   vtkPolyData *output = this->GetOutput();
   
+  if (output->GetUpdatePiece() > 0)
+    {
+    return;
+    }
+
   vtkDebugMacro(<<"Creating line");
 
   newPoints = vtkPoints::New();

Graphics/vtkLineSource.h

@@ -50,6 +50,7 @@ protected:
   ~vtkLineSource() {};
 
   void Execute();
+  void ExecuteInformation();
   double Point1[3];
   double Point2[3];
   int Resolution;