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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I think that’s a good idea. </span></font><font
size=2 color=navy face=Wingdings><span style='font-size:10.0pt;font-family:
Wingdings;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;mso-bidi-font-family:
Arial;color:navy;mso-char-type:symbol;mso-symbol-font-family:Wingdings'><span
style='mso-char-type:symbol;mso-symbol-font-family:Wingdings'>J</span></span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b>
bf-python-bounces@projects.blender.org
[mailto:bf-python-bounces@projects.blender.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Michael Schardt<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, March 16, 2005
5:42 AM<br>
<b><span style='font-weight:bold'>To:</span></b> bf-python@projects.blender.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bf-python] face.index?</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hello!</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Are there any plans to add a
"face.index" attribute to python? If not - take this as a
proposal ;-)</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>My question is because i've come
across this problem when writing some functions for computational
geometry (like computing convex hulls and voronoi diagrams):</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>For these algorithms you have
to maintain lots of information for vertices and/or faces - like
adjacent faces, common edges, common vertices, ...</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Usually i store information
like this in lists or dictionaries.</span></font><o:p></o:p></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>- Storing a vertex in a list or as
key inside a dict is easy - simply take the vertex.index as key and store any
information you need as values. </span></font><o:p></o:p></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Then you can do any
processing on the lists/dictionaries and when you're done you can access the
'real' vertex of the mesh again - it's mesh.verts[index].</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>- Unfortunately there's no such
thing for faces. Sure you can use a tuple of the vertex indices that make
up the face as key. This works fine. But if you want to access the 'real'
face again you've got a problem...</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Wouldn't it be nice if we
could have a face.index attribute as well? This could be used as key in
dictionaries and you could later access the face again with
mesh.faces[index].</span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> </span></font><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>This would also make processing
information for faces and vertices more consistent.</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Any thoughts or comments on this?</span></font><o:p></o:p></p>
</div>
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<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Greetings,</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> Michael Schardt</span></font><o:p></o:p></p>
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