Re: [visad] How are the 3D Iso surfaces extracted?

• To: visad@xxxxxxxxxxxxxxxx
• Subject: Re: [visad] How are the 3D Iso surfaces extracted?
• From: Tom Rink <rink@xxxxxxxxxxxxx>
• Date: Mon, 30 Aug 2010 09:54:02 -0500

Hi Marius,

Yes, a Marching Cubes algorithm is used. See Gridded3DSet.makeIsoSurface
for the gory details. It's called from ShadowType.makeContour when
Range->IsoContour and manifoldDimension=3.

Tom

Marius Schmidt wrote:

Hi there again VisAD community,

for documentation purpose I am trying to figure out, how and where the extraction of the IsoSurfaces takes place in VisAD and hope, you can help me with it. Is a Marching Cubes algorithm used? Is the surface extraction done in a Cell? Which classes are involved?

Kind regards,
Marius

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• References:
  • [visad] How are the 3D Iso surfaces extracted?
    • From: Marius Schmidt