[vtk-developers] [VTK 0011550]: vtkImageData::FindCell ignores tolerance

[Mantis Bug Tracker]

The following issue has been SUBMITTED. 
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http://public.kitware.com/Bug/view.php?id=11550 
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Reported By:                David Doria
Assigned To:                
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Project:                    VTK
Issue ID:                   11550
Category:                   (No Category)
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
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Date Submitted:             2010-12-01 13:11 EST
Last Modified:              2010-12-01 13:11 EST
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Summary:                    vtkImageData::FindCell ignores tolerance
Description: 
vtkImageData::FindCell ignores the tolerance parameter. Because of this, there
is no way to ensure that FindCell will return a cell when given a point that
lies on the boundary of the data set.

Steps to Reproduce: 
The following code returns -1 when it should return cell 0.

#include <vtkSmartPointer.h>
#include <vtkImageData.h>

int main(int, char *[])
{
 int dims[3] = {1,2,3};
 double spacing[3] = {1.0, 1.0, 1.0};
 vtkSmartPointer<vtkImageData> image =
   vtkSmartPointer<vtkImageData>::New();
 image->SetDimensions(dims);
 image->SetSpacing(spacing);

 double p[3] = {1.0,1.0,1.0};
 int subId;
 double pcoords[3] = {0,0,0};
 double weights[8];
 int index = image->FindCell(p, NULL, 0, 10.0, subId, pcoords, weights);
 std::cout << "index: " << index << std::endl;

 return EXIT_SUCCESS;
}
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Issue History 
Date Modified    Username       Field                    Change               
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2010-12-01 13:11 David Doria    New Issue                                    
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