[vtkusers] surface expansion

[Bill Lorensen]

Here is a c++ example. When I get a chance, I'll add it to the wiki examples...
Try it with this file and a scale factor of 5 (second argument).
https://raw.githubusercontent.com/lorensen/VTKWikiExamples/master/Testing/Data/Torso.vtp

On Tue, Apr 19, 2016 at 9:12 AM, David Gobbi <david.gobbi at gmail.com> wrote:
> I don't know of any example that does specifically what you want.
> But the pipeline would go something like this:
>
> 1) use vtkPolyDataNormals to compute normals at each point.
>
> 2) feed the output of vtkPolyDataNormals into vtkWarpVector.
>
> 3) tell vtkWarpVector to use the normals, and give it a scale factor:
>
> warp.SetInputConnection(norms.GetOutputPort())
>
> warp.SetInputArrayToProcess(0, 0, 0,
>   vtkDataObject.FIELD_ASSOCIATION_POINTS,
>   vtkDataSetAttributes.NORMALS)
>
> warp.SetScaleFactor(5.0)
>
> I've never actually tried this, but in theory, it should work.
>
>  - David
>
>
>



-- 
Unpaid intern in BillsBasement at noware dot com
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