[vtkusers] Conditional jump or move depends on uninitialized values(s)

[Kyle Lutz]

Hi John,

Can you try running valgrind again with the "--track-origins=yes" option?

Thanks,
Kyle

On Tue, Jul 16, 2013 at 12:00 PM, John Haiducek <jhaiduce at gmail.com> wrote:
> Sorry, got debugging symbols in there now, here it is again.
>
> On Tue, Jul 16, 2013 at 5:38 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
>> You will need to build vtk and your example with debug to see the lines
>> where the errors occur. Looks like you are using VTK5.x. There were many
>> valgrind errors present in some VTK5.x releases. This could be some of them.
>>
>>
>>
>> On Mon, Jul 15, 2013 at 7:44 PM, John Haiducek <jhaiduce at gmail.com> wrote:
>>>
>>> Valgrind report attached.
>>>
>>> On Mon, Jul 15, 2013 at 5:20 PM, Bill Lorensen <bill.lorensen at gmail.com>
>>> wrote:
>>> > Depends on where they occur? Cam you share the valgrind report?
>>> >
>>> >
>>> >
>>> > On Mon, Jul 15, 2013 at 5:47 PM, John Haiducek <jhaiduce at gmail.com>
>>> > wrote:
>>> >>
>>> >> When I run the following program under valgrind I get lots of warnings
>>> >> saying "Conditional jump or move depends on uninitialized values."
>>> >> Does this indicate that I'm doing something wrong, or are these false
>>> >> positives?
>>> >>
>>> >> John Haiducek
>>> >>
>>> >>
>>> >> #include "vtkImageData.h"
>>> >> #include "vtkImageViewer2.h"
>>> >> #include <vtkRenderWindowInteractor.h>
>>> >> #include <vtkImageMapper.h>
>>> >> #include <vtkLookupTable.h>
>>> >> #include <vtkScalarBarActor.h>
>>> >> #include <vtkRenderer.h>
>>> >> #include <vtkImageActor.h>
>>> >> #include <vtkScalarsToColors.h>
>>> >> #include <vtkImageMapToWindowLevelColors.h>
>>> >>
>>> >> int main(int argc, char *argv[]){
>>> >>
>>> >>   vtkImageData*intensityImageData = vtkImageData::New();
>>> >>   vtkImageViewer2*view=vtkImageViewer2::New();
>>> >>   vtkImageMapper*imageMapper = vtkImageMapper::New();
>>> >>   int width=400;
>>> >>   int height=400;
>>> >>   double*data=new double[width*height];
>>> >>
>>> >>   for(int i=0;i<width*height;i++)
>>> >>     data[i]=0;
>>> >>
>>> >>   intensityImageData->SetDimensions(width,height,1);
>>> >>   intensityImageData->SetNumberOfScalarComponents(1);
>>> >>   intensityImageData->SetScalarTypeToDouble();
>>> >>   intensityImageData->AllocateScalars();
>>> >>
>>> >>
>>> >> memcpy(intensityImageData->GetScalarPointer(),data,width*height*sizeof(double));
>>> >>   view->SetInput(intensityImageData);
>>> >>
>>> >>   vtkLookupTable*colorMap = vtkLookupTable::New();
>>> >>   colorMap->SetHueRange(0.4,1.0);
>>> >>   colorMap->SetValueRange(1.0,1.0);
>>> >>   colorMap->SetRange(0,1);
>>> >>   colorMap->Build();
>>> >>   vtkImageMapToWindowLevelColors*colorMapper=view->GetWindowLevel();
>>> >>   colorMapper->SetLookupTable(colorMap);
>>> >>   colorMapper->SetInput(intensityImageData);
>>> >>   colorMapper->SetLevel(10);
>>> >>   colorMapper->SetWindow(255);
>>> >>   vtkScalarBarActor*scalarBar = vtkScalarBarActor::New();
>>> >>   scalarBar->S#include "vtkImageData.h"
>>> >> #include "vtkImageViewer2.h"
>>> >> #include <vtkRenderWindowInteractor.h>
>>> >> #include <vtkImageMapper.h>
>>> >> #include <vtkLookupTable.h>
>>> >> #include <vtkScalarBarActor.h>
>>> >> #include <vtkRenderer.h>
>>> >> #include <vtkImageActor.h>
>>> >> #include <vtkScalarsToColors.h>
>>> >> #include <vtkImageMapToWindowLevelColors.h>
>>> >>
>>> >> int main(int argc, char *argv[]){
>>> >>
>>> >>   vtkImageData*intensityImageData = vtkImageData::New();
>>> >>   vtkImageViewer2*view=vtkImageViewer2::New();
>>> >>   vtkImageMapper*imageMapper = vtkImageMapper::New();
>>> >>   int width=400;
>>> >>   int height=400;
>>> >>   double*data=new double[width*height];
>>> >>
>>> >>   for(int i=0;i<width*height;i++)
>>> >>     data[i]=0;
>>> >>
>>> >>   intensityImageData->SetDimensions(width,height,1);
>>> >>   intensityImageData->SetNumberOfScalarComponents(1);
>>> >>   intensityImageData->SetScalarTypeToDouble();
>>> >>   intensityImageData->AllocateScalars();
>>> >>
>>> >>
>>> >> memcpy(intensityImageData->GetScalarPointer(),data,width*height*sizeof(double));
>>> >>   view->SetInput(intensityImageData);
>>> >>
>>> >>   vtkLookupTable*colorMap = vtkLookupTable::New();
>>> >>   colorMap->SetHueRange(0.4,1.0);
>>> >>   colorMap->SetValueRange(1.0,1.0);
>>> >>   colorMap->SetRange(0,1);
>>> >>   colorMap->Build();
>>> >>   vtkImageMapToWindowLevelColors*colorMapper=view->GetWindowLevel();
>>> >>   colorMapper->SetLookupTable(colorMap);
>>> >>   colorMapper->SetInput(intensityImageData);
>>> >>   colorMapper->SetLevel(10);
>>> >>   colorMapper->SetWindow(255);
>>> >>   vtkScalarBarActor*scalarBar = vtkScalarBarActor::New();
>>> >>   scalarBar->SetLookupTable(colorMap);
>>> >>   scalarBar->SetTitle("Intensity");
>>> >>   scalarBar->SetNumberOfLabels(4);
>>> >>
>>> >>   view->GetRenderer()->AddActor2D(scalarBar);
>>> >>
>>> >>
>>> >>   view->Render();
>>> >>
>>> >>   intensityImageData->Delete();
>>> >>   view->Delete();
>>> >>   imageMapper->Delete();
>>> >>   scalarBar->Delete();
>>> >>   colorMap->Delete();
>>> >>
>>> >>   delete data;
>>> >>   return 0;
>>> >> }
>>> >> etLookupTable(colorMap);
>>> >>   scalarBar->SetTitle("Intensity");
>>> >>   scalarBar->SetNumberOfLabels(4);
>>> >>
>>> >>   view->GetRenderer()->AddActor2D(scalarBar);
>>> >>
>>> >>
>>> >>   view->Render();
>>> >>
>>> >>   intensityImageData->Delete();
>>> >>   view->Delete();
>>> >>   imageMapper->Delete();
>>> >>   scalarBar->Delete();
>>> >>   colorMap->Delete();
>>> >>
>>> >>   delete data;
>>> >>   return 0;
>>> >> }
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>>> >
>>> > --
>>> > Unpaid intern in BillsBasement at noware dot com
>>
>>
>>
>>
>> --
>> Unpaid intern in BillsBasement at noware dot com
>
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