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Re: Making sense of Directive[ ]

  • To: mathgroup at
  • Subject: [mg75833] Re: Making sense of Directive[ ]
  • From: Jens-Peer Kuska <kuska at>
  • Date: Fri, 11 May 2007 05:36:37 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <f1uohq$876$>
  • Reply-to: kuska at


if you Export[] the 3d object many systems need color and material
properties in a sequence of statements before any drawing starts,
and it is hard to collect the directives form the arbitary order in
Mathematica into the clean order that say PovRay or Maya like.

The Directive[] collect all directrives that apply to the primitives
and make the Export[] easyer.


Forex Ample wrote:
> I stumbled upon the new Directive[ ] function, used to group Graphics 
> directives into one compound directive. However, I fail to see what it is 
> good for. In every example in the documentation, replacing Directive with 
> List seems to produce the exact same results. Anybody got a clue?
> Greetz, Naz 

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