RE: Point cloud data from rendering

From: James Carruthers (
Date: Wed Aug 22 2001 - 23:56:03 EEST

> Hello all,
> Does anyone know if it is possible to create point cloud data from a
> rendering or renderable image. My thinking is to create a
> "virual scanner"
> add in to a render engine, create good point cloud data of a surface form
> and reverse engineer it using Geomagic, Rapidform or the like.
> It occurs to
> me that a render engine must know where the "surface" of model is and as
> rendering is more forgiving and more pervasive than solid
> modeling it would
> be of tremendous benefit to be able to generate .stl from a render type of
> application. The reverse enginnering applications have plently of utility
> for stitching holes and filling the backside of objects that have not been
> scanned and this utility could be turned to the patching of areas
> that were
> not rendered.

Hmmmm, why not just clean up and output an STL from the "render"
application? It's certainly been done. Or "Reverse Engineer" the mesh?

James Carruthers
Hydraulic Design
--3D Modeling and Design
--Rhinoceros 3D Sales and Training

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