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Re: Why does "Normal" not create a list of line graphics primitives from

  • To: mathgroup at smc.vnet.net
  • Subject: [mg113985] Re: Why does "Normal" not create a list of line graphics primitives from
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Sat, 20 Nov 2010 06:10:43 -0500 (EST)

On 11/19/10 at 5:10 AM, arw235 at gmail.com (arw235) wrote:

>Can anyone suggest why the behavior is different in each of the
>following:

>This doesn't work:

>In[95]:= v = {{{1, 0}, {0, 1}}, {{-1, 0}, {0, -1}}};
>Normal[GraphicsComplex[v, Line[{1, 2}]]]

>This does work:

>In[99]:= v = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
>Normal[GraphicsComplex[v, Line[{1, 2, 3, 4}]]]

The documentation for GraphicsComplex indicates the first
argument for GraphicsComplex is a list of points. That is what
you provided in the case that works but not what you provided in
the case that doesn't work.



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