[vtkusers] Implicit boolean and dimensions of vtk

[Bill Lorensen]

Have you looked at any of the point processing filters in:
https://lorensen.github.io/VTKExamples/site/Cxx/#surface-reconstruction

Also, there are two remote examples:
https://lorensen.github.io/VTKExamples/site/Cxx/Points/CompareExtractSurface/


If you could save your points into a vtkXML file I can a look and try some
approaches.

Bill


On Mar 21, 2018 8:51 AM, "pauldoesntlikesurfaceextractio" <
paul_geus at hotmail.com> wrote:

> Hi everyone,
>
> I am trying to create a Visualization for my smoothed particle
> hydrodynamics
> simulation. This means, that I have a set of unorganized points and using
> VTK I want to construct a surface body.
> My current approach is as follows:
>
> - Get Surface Particles from all unorganized points
> - Triangulate the points which have further points nearby as a Delaunay3D
> - The points which have 5 or less points nearby I want to visualize as
> Boolean implicit functions, very similar to this tutorial
> https://lorensen.github.io/VTKExamples/site/Cxx/Filtering/ImplicitBoolean/
>
> My problem: I can’t get the spheres to be smaller. Even when setting the
> radius of the spheres I still get big spheres. *Can someone please tell me,
> what I am missing? *
>
> *A further question:* What dimension does VTK use? As in, when I set the
> radius of a sphere to 1. Does that mean 1 meter, 1mm, 1 ft?
> Thank you very much
>
>
>
>
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