Kevin,
Attached is a patch. Can you verify that it works after applying the
patch? If so, I'll commit it to CVS.
Thanks
Utkarsh
On Thu, Feb 12, 2009 at 4:45 PM, Kevin H. Hobbs <hob...@ohiou.edu> wrote:
> On Thu, 2009-02-12 at 15:34 -0500, Utkarsh Ayachit wrote:
>> Ah and there's the bad news.
>> In case of image data for the "if" condition at vtkPKdTree.cxx:435,
>> I'd expect the condition to succeed and go to
>> this->ProcessUserDefinedCuts(..) however, it seems like that condition
>> is failing and it's going to this->MultiProcessBuildLocator(..) which
>> is used for unstructured datasets.
>>
>> Are you able to reproduce the behavior with a simpler dataset (say
>> wavelet) or something that;s already in ParaViewData, or some dataset
>> that I can try it with?
>
> Yes, I was able to reproduce the problem with the wavelet source data.
> and I got a new datum as well.
>
> It seems I have to load the large image from a .vti file for the error
> to occur.
>
> The error does not occur when I create a large image in parallel with
> the wavelet source.
>
>> Also give me all the steps to reproduce the
>> problem (since I am not able to reproduce it with 5 procs using
>> Wavelet source).
>>
>> Utkarsh
>
> In paraview connected to the builtin server I created a wavelet source
> with extents 0 1958 0 1498 0 77 to match my file.
>
> I then saved that to a vti file.
>
> I then restarted paraview and started a 2 core server that the dialog
> runs with
>
> mpirun -np 2 \
> /home/kevin/kitware/ParaView3_Build/bin/pvserver \
> --use-offscreen-rendering
>
> I loaded the image then selected volume rendering for the
> representation.
>
> Then BLAMO swap-death.
>
>
>
Index: Servers/Filters/vtkKdTreeManager.cxx
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Servers/Filters/vtkKdTreeManager.cxx,v
retrieving revision 1.7
diff -u -3 -p -r1.7 vtkKdTreeManager.cxx
--- Servers/Filters/vtkKdTreeManager.cxx 24 Nov 2008 14:32:41 -0000 1.7
+++ Servers/Filters/vtkKdTreeManager.cxx 12 Feb 2009 22:24:40 -0000
@@ -24,6 +24,7 @@
#include "vtkPoints.h"
#include "vtkPVUpdateSuppressor.h"
#include "vtkSmartPointer.h"
+#include "vtkSphereSource.h"
#include "vtkUnstructuredGrid.h"
#define VTK_CREATE(type, name) \
@@ -38,7 +39,6 @@ class vtkKdTreeManager::vtkAlgorithmSet
vtkStandardNewMacro(vtkKdTreeManager);
vtkCxxRevisionMacro(vtkKdTreeManager, "$Revision: 1.7 $");
vtkCxxSetObjectMacro(vtkKdTreeManager, StructuredProducer, vtkAlgorithm);
-vtkCxxSetObjectMacro(vtkKdTreeManager, KdTree, vtkPKdTree);
//----------------------------------------------------------------------------
vtkKdTreeManager::vtkKdTreeManager()
{
@@ -46,6 +46,7 @@ vtkKdTreeManager::vtkKdTreeManager()
this->StructuredProducer = 0;
this->KdTree = 0;
this->NumberOfPieces = 1;
+ this->KdTreeInitialized = false;
}
//----------------------------------------------------------------------------
@@ -95,6 +96,16 @@ void vtkKdTreeManager::RemoveAllProducer
}
//----------------------------------------------------------------------------
+void vtkKdTreeManager::SetKdTree(vtkPKdTree* tree)
+{
+ if (this->KdTree != tree)
+ {
+ vtkSetObjectBodyMacro(KdTree, vtkPKdTree, tree);
+ this->KdTreeInitialized = false;
+ }
+}
+
+//----------------------------------------------------------------------------
void vtkKdTreeManager::Update()
{
vtkAlgorithmSet::iterator iter;
@@ -132,17 +143,26 @@ void vtkKdTreeManager::Update()
}
this->KdTree->RemoveAllDataSets();
- for (dsIter = outputs.begin(); dsIter != outputs.end(); ++dsIter)
- {
- this->AddDataSetToKdTree(*dsIter);
- }
-
- static bool initialized = false;
- if (!initialized)
+ if (!this->KdTreeInitialized)
{
+ // HACK: This hack fixes the following issue:
+ // * create wavelet (num procs >= 4)
+ // * volume render -- broken!!!
+ // * change some wavelet parameter (force the KdTree to rebuild) and all's fine!
+ // Seems like something doesn't get initialized correctly, I have no idea
+ // what. This seems to overcome the issue.
+ vtkSphereSource* sphere = vtkSphereSource::New();
+ sphere->Update();
+ this->KdTree->AddDataSet(sphere->GetOutput());
+ sphere->Delete();
this->KdTree->BuildLocator();
- initialized = true;
+ this->KdTree->RemoveAllDataSets();
+ this->KdTreeInitialized = true;
}
+ for (dsIter = outputs.begin(); dsIter != outputs.end(); ++dsIter)
+ {
+ this->AddDataSetToKdTree(*dsIter);
+ }
if (this->StructuredProducer)
{
Index: Servers/Filters/vtkKdTreeManager.h
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/Servers/Filters/vtkKdTreeManager.h,v
retrieving revision 1.2
diff -u -3 -p -r1.2 vtkKdTreeManager.h
--- Servers/Filters/vtkKdTreeManager.h 7 Sep 2007 13:34:15 -0000 1.2
+++ Servers/Filters/vtkKdTreeManager.h 12 Feb 2009 22:24:40 -0000
@@ -65,6 +65,7 @@ protected:
void AddDataSetToKdTree(vtkDataSet *data);
+ bool KdTreeInitialized;
vtkAlgorithm* StructuredProducer;
vtkPKdTree* KdTree;
int NumberOfPieces;
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