[vtkusers] Minecraft-style volume rendering

[Bill Lorensen]

Tim,

Take a look at this example:
http://www.vtk.org/Wiki/VTK/Examples/Cxx/Medical/GenerateCubesFromLabels

The output of transformModel may be what you want.

Bill

On Thu, Mar 29, 2012 at 8:40 AM, Tim Hutton <tim.hutton at gmail.com> wrote:
> Hello,
>
> I've got a 3d images (vtkImageData) containing values 0 and 1. I'd
> like to render this as blocky voxels - rendered with cubes like in
> Minecraft.
>
> I've tried vtkContourFilter and vtkDiscreteMarchingCubes but these
> both show angled surfaces - e.g. an octahedron for an isolated voxel.
>
> I tried vtkGeometryFilter but this just gives me the outer surface of
> the volume. And vtkImageThreshold just changes the pixel values.
>
> I tried vtkImageDataGeometryFilter but this doesn't seem to support
> thresholding in 3D?
>
> Thanks for your help,
>
> Tim
>
> --
> Tim Hutton - http://www.sq3.org.uk - http://profiles.google.com/tim.hutton/
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