[vtk-developers] [VTK 0013720]: vtkMath quaternion to matrix 3x3 conversion error

[Mantis Bug Tracker]

The following issue has been DELETED. 
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Reported By:                xman
Assigned To:                
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Project:                    VTK
Issue ID:                   13720
Category:                   (No Category)
Reproducibility:            have not tried
Severity:                   minor
Priority:                   normal
Status:                     todo
Project:                    TBD 
Type:                       incorrect functionality 
Resolution:                 no change required
Fixed in Version:           
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Date Submitted:             2012-12-10 16:52 MST
Last Modified:              2012-12-10 17:11 MST
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Summary:                    vtkMath quaternion to matrix 3x3  conversion error
Description: 
the conversion result is not correct. elements are upside down and left side
right and some of the signs of the elements are inverted.
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 (0029865) David Gobbi (developer) - 2012-12-10 17:01
 http://www.vtk.org/Bug/view.php?id=13720#c29865 
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In VTK quaternions are stored in the order "w x y z".  And matrices are stored
in row-major order.
Are you storing your quaternions in the "x y z w" order?  That might account for
the discrepancy. 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2012-12-10 16:52 xman           New Issue                                    
2012-12-10 17:01 David Gobbi    Note Added: 0029865                          
2012-12-10 17:11 xman           Status                   backlog => todo     
2012-12-10 17:11 xman           Resolution               open => no change
required
2012-12-12 09:05 David Gobbi    Issue Deleted: 0013720                       
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