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<!DOCTYPE HTML>
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<title>libigl file formats | .tgf</title>
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<a href=..><img src=../libigl-logo.jpg alt="igl logo" class=center></a>
<h1>.tgf - control handle graphs</h1>
<hr>
<p>
A .tgf file contains a graph of describing a set of control handles/structures:
point controls, bones of a skelton and cages made of "cage edges".
</p>
<p>
The first part of the file consists of lines regarding each vertex of the graph. Each line reads:
</p>
<pre><code>[index] [x] [y] [z] [undocument optional data]</code></pre>
<p>
Indices begin with 1 and should proceed in order.
Then there should be a line with a sole:
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<pre><code>#</code></pre>
<p>
The next section concerns the edges of the graph. Each line corresponds to an edge:
</p>
<pre><code>[source index] [dest index] [is bone] [is pseudo-edge] [is cage edge] [undocument other data]</code></pre>
<p>
Bone edges trump pseudo and cage edges.
</p>
<p>See also: <a href=.>file formats</a></p>
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