I think I am missing something here... if I do what you suggest, I will
be mapping the DATA VALUES on the isosurface, right? But what I want to
map is the VOXEL POSITION. How can I feed this to the color module? I
tried with Compute, but couldn't figure out how.
Thanks,
Carmen
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Carmen San Martin, Ph. D.
The Wistar Institute Email: [EMAIL PROTECTED]
3601 Spruce Street Phone: (215) 898-2202
Philadelphia, PA 19104 Fax: (215) 898-3868
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On Mon, 9 Apr 2001, Chris Pelkie wrote:
> >Dear all,
> >
> > A question from the Structural Biology field. I would like to do an
> >isosurface rendering of a virus in which the color depends on the distance
> >to the center of the virus. My data are 3D arrays of floats and the center
> >of the virus is the center of the array.
> >
> > Being a DX newbie, the only thing that occured to me was to create
> >another data file of the same size of the virus where the values would
> >correspond to the distance to the center, and then map it onto the virus
> >isosurface. But, since my volumes are LARGE, this would make the program
> >execution impractical, if not impossible.
> >
> > Can anybody suggest a more practical way to do that?
> >
> > Thanks,
>
>
> Sure, make a colormap with min =0, max = max radius of interest (you
> can open the Colormap editor and do this, or you can open Colormap's
> Configuration dialog and do it there).
> Feed your data object (either raw or after isosurface) to Color. Feed
> this colormap into Color's 2nd input. Out squirts colored object.
>
> Too easy!
>
> Chris Pelkie
> Vice President/Scientific Visualization Producer
> Conceptual Reality Presentations, Inc.
> 30 West Meadow Drive
> Ithaca, NY 14850
> [EMAIL PROTECTED]
>
>
