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Adding documentation (face-varying boundary interpolation rules)

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manuelk 2014-02-25 17:08:22 -08:00
parent 2a4b1329c1
commit a2563f3c2d
2 changed files with 21 additions and 10 deletions
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documentation/subdivision_surfaces.rst
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@ -1,20 +1,20 @@
..
Copyright 2013 Pixar
Licensed under the Apache License, Version 2.0 (the "Apache License")
with the following modification; you may not use this file except in
compliance with the Apache License and the following modification to it:
Section 6. Trademarks. is deleted and replaced with:
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor
and its affiliates, except as required to comply with Section 4(c) of
the License and to reproduce the content of the NOTICE file.
You may obtain a copy of the Apache License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the Apache License with the above modification is
distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@ -177,13 +177,24 @@ The following rule sets can be applied to facevarying data interpolation:
| | |
+--------+----------------------------------------------------------+
| 3 | Smooths facevarying values only near vertices that are |
| | not at a discontinuous boundary; all vertices on a |
| | discontinuous boundary are subdivided with a sharp rule |
| | (interpolated through). |
| | This mode is designed to be compatible with ZBrush and |
| | Maya's "smooth internal only" interpolation. |
| | not at a discontinuous boundary; all vertices on a |
| | discontinuous boundary are subdivided with a sharp rule |
| | (interpolated through). |
| | This mode is designed to be compatible with ZBrush and |
| | Maya's "smooth internal only" interpolation. |
+--------+----------------------------------------------------------+
Unwrapped cube example:
.. image:: images/fvar_boundaries.png
:align: center
:target: images/fvar_boundaries.png
Propagate Corners
+++++++++++++++++
Facevarying interpolation mode 2 (*EdgeAndCorner*) can further be modified by the
application of the *Propagate Corner* flag.
----