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Re: Problem with evaluating Graphics3D output

  • To: mathgroup at smc.vnet.net
  • Subject: [mg90967] Re: [mg90943] Problem with evaluating Graphics3D output
  • From: Chris Hill <chill at wolfram.com>
  • Date: Fri, 1 Aug 2008 02:59:26 -0400 (EDT)
  • References: <200807310655.CAA07659@smc.vnet.net>

At 01:55 AM 7/31/2008, Cca wrote:
>Here is a problem I discovered right now. First, evaluate
>
>Graphics3D[{FaceForm[{GrayLevel[0]}, {GrayLevel[0]}],
>   Cylinder[{{-0.5, 0, 0}, {0.5, 0, 0}}, 0.05]}]
>
>Now, evaluate the output. My problem: FaceForm is not preserved. Why?

This is a bug in FaceForm that is specific to GrayLevel[0].

If you want your graphics to have this structure you could use 
GrayLevel[0.0] or RGBColor[0,0,0] in place of GrayLevel[0] as a workaround.

I've made a fix to our internal development version which will appear 
in a future release.  Thank you for reporting this issue and I 
apologize for the inconvenience.

Chris Hill
Wolfram Research 



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