[vtkusers] error when using vtkMeshQuality filter

[Vines, John (Civ, ARL/CISD)]

David, thanks for the input.  I'm not using any decimation routines so I'll have to dig deeper.
 
thanks again.
John

	-----Original Message----- 
	From: Thompson, David C [mailto:dcthomp at sandia.gov] 
	Sent: Wed 6/15/2005 1:01 PM 
	To: Vines, John (Civ, ARL/CISD); vtkusers at vtk.org 
	Cc: 
	Subject: RE: [vtkusers] error when using vtkMeshQuality filter
	
	

	> I need some help with the vtkMeshQuality filter.  My
	> task is to convert nodal values to cell centered values,
	> then convert to a tetrahedral mesh and get the volume
	> of the each cell.  I am using the vtkMeshQuality filter.
	> I keep getting "Unable to factor linear system".  Any ideas??
	Hmmm. The only place that error message occurs is in
	vtkMath::LUFactorLinearSystem, which vtkMeshQuality does not
	call. Are you using vtkQuadricDecimation anywhere? It calls
	that vtkMath routine. If not, perhaps you have done a partial
	rebuild of VTK and the entry points in a library have changed
	so that vtkMeshQuality is calling the wrong piece of code? If
	you can run your code from the debugger and insert a breakpoint
	right before the "Unable to factor linear system" message is
	printed, having the call stack at that point would really help.
	
	        David