[vtk-developers] Patch for VTK bug #3941

Dominique Belhachemi domibel at cs.tu-berlin.de
Wed Mar 17 14:16:26 EDT 2010


Dear VTK developers,

Please consider the attached patch to close bug #3941.

I applied this patch to Debian's vtk package in May 2009. It works very
well.

Cheers
Dominique

-------------- next part --------------
Index: Filtering/vtkTrivialProducer.cxx
===================================================================
RCS file: /cvsroot/VTK/VTK/Filtering/vtkTrivialProducer.cxx,v
retrieving revision 1.13
diff -u -r1.13 vtkTrivialProducer.cxx
--- Filtering/vtkTrivialProducer.cxx	18 Dec 2008 16:55:39 -0000	1.13
+++ Filtering/vtkTrivialProducer.cxx	17 Mar 2010 15:36:21 -0000
@@ -20,6 +20,7 @@
 #include "vtkInformation.h"
 #include "vtkInformationVector.h"
 #include "vtkObjectFactory.h"
+#include "vtkDataObject.h"
 
 vtkCxxRevisionMacro(vtkTrivialProducer, "$Revision: 1.13 $");
 vtkStandardNewMacro(vtkTrivialProducer);
@@ -115,6 +116,27 @@
                                    vtkInformationVector** inputVector,
                                    vtkInformationVector* outputVector)
 {
+  if (this->Output->IsA("vtkImageData"))
+    {
+    vtkImageData* img=(vtkImageData*)(this->Output);
+
+    vtkInformation* info =  img->GetInformation();
+    vtkInformation* pinfo = img->GetPipelineInformation();
+    double Spacing[3]; img->GetSpacing(Spacing);
+    double Origin[3];  img->GetOrigin(Origin);
+
+    if (info->Has(vtkDataObject::SPACING()))
+      info->Set(vtkDataObject::SPACING(),Spacing[0],Spacing[1],Spacing[2]);
+
+    if (pinfo->Has(vtkDataObject::SPACING()))
+      pinfo->Set(vtkDataObject::SPACING(),Spacing[0],Spacing[1],Spacing[2]);
+
+    if (info->Has(vtkDataObject::ORIGIN()))
+      info->Set(vtkDataObject::ORIGIN(),Origin[0],Origin[1],Origin[2]);
+
+    if (pinfo->Has(vtkDataObject::ORIGIN()))
+      pinfo->Set(vtkDataObject::ORIGIN(),Origin[0],Origin[1],Origin[2]);
+    }
   if(request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()) &&
      this->Output)
     {


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