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MathGroup Archive 2001

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RE: Lost Line Directives in 3D Graphics

  • To: mathgroup at
  • Subject: [mg30206] RE: Lost Line Directives in 3D Graphics
  • From: Tom Burton <tburton at>
  • Date: Thu, 2 Aug 2001 03:16:00 -0400 (EDT)
  • References: <>
  • Sender: owner-wri-mathgroup at


Now that I have your examples in front of me, I must agree that something 
more than "coincident lines" is going wrong. I certainly won't be 
diagnosing the process of creating postscript, but perhaps I can devise 
work-arounds in Mathematica over the next few days. I am optimistic that 
problems with color and thickness can be cured with additional directives 
at the beginning of lists of graphic elements. I am most concerned about 
this example:

At 03:00 PM 7/31/01 -0400, David Park wrote:
>In one animation, the three axes stay fixed and the book is rotated. In most
>of the frame cells the arrow cone is missing from the y-axis (but not the x
>and z axes). In a few frames the cone suddenly reappears. I am using a fixed
>plot range and the cone itself is not rotating or changing in any way from
>frame to frame. Nor is there any other element on top of or coincident with
>the cone, in 3D or in perspective, in most of the bad frames.

Tom Burton, <tburton at>, <>
353 Sanford Street, Encinitas CA 92024, 760/436-7436

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