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

  • To: mathgroup at smc.vnet.net
  • Subject: [mg113963] Why does "Normal" not create a list of line graphics primitives from
  • From: arw235 <arw235 at gmail.com>
  • Date: Fri, 19 Nov 2010 05:10:47 -0500 (EST)

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}]]]

Out[96]= GraphicsComplex[{{{1, 0}, {0, 1}}, {{-1, 0}, {0, -1}}},
 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}]]]

Out[100]= {Line[{{1, 0}, {0, 1}, {-1, 0}, {0, -1}}]}



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