Re: two-color isosurface

• To: Stuart Wier <wier@xxxxxxxxxxxxxxxx>
• Subject: Re: two-color isosurface
• From: "From: Bill Hibbard <hibbard@xxxxxxxxxxxxxxxxx>" <billh@xxxxxxxxxxxxx>
• Date: Thu, 24 Aug 2000 17:37:08 -0500 (CDT)

Hi Stu,

> When plotting a surface in a 3D FlatField with
> ScalarMap of RealType mapped to Display.IsoContour,
> and with a custom color table in the color control,
> the surface sometimes shows two colors, though the
> surface is for one single value and should have
> the corresponding single color.  Example attached.
> What's happening?

There are probably sharp breaks in your color lookup
table.  I'm afraid this is an artifact of the way the
default DataRenderers deal with color interpolation
in contours.

Could be improved in a another DataRenderer.

Cheers,
Bill
----------------------------------------------------------
Bill Hibbard, SSEC, 1225 W. Dayton St., Madison, WI  53706
hibbard@xxxxxxxxxxxxxxxxx  608-263-4427  fax: 608-263-6738
http://www.ssec.wisc.edu/~billh/vis.html

• References:
  • two-color isosurface
    • From: Stuart Wier