[vtkusers] Get distance from closest edge of vtkPolyData

[Cory Quammen]

Did you try to create an isosurface at distance 0? Does that look reasonable?

Cory

On Wed, Nov 30, 2011 at 9:46 AM, Jothybasu Selvaraj <jothybasu at gmail.com> wrote:
> I tried the example form vtk wiki
>
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/ImplicitModeller
>
> And saved the image using vtkXMLImageDataWriter from modeler->GetOutput(). I
> viewed it in paraview, the scalar values are too weired, they range from 0
> to 1e+38.
>
> Any hints?
>
> Thanks
>
> Jothy
>
> On Wed, Nov 30, 2011 at 1:52 PM, Cory Quammen <cquammen at cs.unc.edu> wrote:
>>
>> Jothy,
>>
>> I think the vtkImplicitModeller is what you want:
>>
>> http://www.vtk.org/doc/nightly/html/classvtkImplicitModeller.html
>>
>> Cory
>>
>> On Wed, Nov 30, 2011 at 5:29 AM, Jothybasu Selvaraj <jothybasu at gmail.com>
>> wrote:
>> > Hi all,
>> >
>> > I have a vtkPolyData/mesh by applying vtkMarchingCubes to a
>> > vtkImageData.
>> > Now I want to find the distance between the edge of the mesh and each
>> > voxel
>> > in the vtkImageData that lies outside the mesh.
>> >
>> > Does anyone have any idea on how to do this?
>> >
>> > Thanks
>> >
>> >
>> > --
>> > Jothy
>> >
>> >
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>>
>>
>>
>> --
>> Cory Quammen
>> Research Associate
>> Department of Computer Science
>> The University of North Carolina at Chapel Hill
>
>
>
> --
> Jothy
>
>



-- 
Cory Quammen
Research Associate
Department of Computer Science
The University of North Carolina at Chapel Hill