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https://github.com/PixarAnimationStudios/OpenSubdiv
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Minor changes to 3.1 release documentation:
- fixed dangling links to intro_30.html -- now release_30.html - minor changes for consistency and to remove redundancy
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@ -99,7 +99,7 @@
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<li><a href="release_31.html">Release 3.1</a></li>
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<li><a href="release_30.html">Release 3.0</a></li>
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<ul>
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<li><a href="intro_30.html">Overview</a></li>
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<li><a href="release_30.html">Overview</a></li>
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<li><a href="porting.html">Porting Guide: 2.0 to 3.0</a></li>
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<li><a href="compatibility.html">Subdivision Compatibility</a></li>
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</ul>
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@ -50,7 +50,7 @@ projection (in this case FVAR_LINEAR_NONE):
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| :width: 75% | :width: 75% |
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| :target: images/fvar_patch_linearall.png | :target: images/fvar_patch_linearnone.png |
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| | |
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| Linear Face-Varying patches | Bicubic Face-Varying patches |
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| Linear Face-Varying Patches | Bicubic Face-Varying Patches |
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+----------------------------------------------+----------------------------------------------+
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The result on the left shows the old linearly interpolated patches, which
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@ -113,7 +113,7 @@ In the following example, a single semi-sharp vertex is refined to level 5:
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+--------------------------------------+--------------------------------------+
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| .. image:: images/sec_level_off.png | .. image:: images/sec_level_on.png |
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| :align: center | :align: center |
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| :width: 100% | :width: 100% |
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| :width: 75% | :width: 75% |
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| :target: images/sec_level_off.png | :target: images/sec_level_on.png |
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| Single Isolation Level 5 | Primary Level 5, Secondary Level 2 |
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@ -123,7 +123,7 @@ Single isolation to level 5 on the left results in 312 patches. The right shows
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semi-sharp feature isolated to 5, but with the new "secondary level" set to 2, the
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number of patches is reduced to 123.
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The second specified level of adaptive refinement -- the "secondary level" -- is used
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The second specified level of adaptive refinement is used
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to halt isolation for features that typically do not require the specified maximum.
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These include interior and boundary extra-ordinary vertices and those infinitely sharp
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patches that correspond to boundary extra-ordinary patches.
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@ -138,9 +138,9 @@ The motivation for sharp patches is to accurately represent the limit surface of
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infinitely sharp features, which otherwise can only be approximated by very high levels
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of adaptive refinement, resulting in many unnecessary patches.
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The true limit surface for regular faces along an infinitely sharp crease is actually a
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regular B-Spline patch -- essentially the same as regular faces along a boundary. And
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similarly, the limit surface for faces around an extra-ordinary vertex on an infinitely
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The true limit surface for regular faces along an infinitely sharp crease is a
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regular B-Spline patch -- the same as regular faces along a boundary.
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Similarly, the limit surface for faces around an extra-ordinary vertex on an infinitely
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sharp crease is the same as that of faces around an extra-ordinary vertex on a boundary.
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So these patches are identified and isolated to the same degree -- the regular patches
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as soon as possible, and the irregular patches to the depth specified.
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@ -164,8 +164,7 @@ level 2 further reduces the number of patches to 42.
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The use of infinitely sharp patches can be enabled both at a high level as an new option to Osd::Mesh,
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or more directly when adaptively refining or construction the patch tables in
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Far::TopologyRefiner::AdaptiveOptions and Far::PatchTableFactory::Options. See the API additions
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below and their associated Doxygen text for more details.
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Far::TopologyRefiner::AdaptiveOptions and Far::PatchTableFactory::Options.
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Given the improved accuracy and reduced patches by the use of simple regular patches, we would prefer
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that this be the default behavior, but it was made an explicit option in order to avoid disrupting
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@ -299,6 +298,6 @@ Bug Fixes
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~~~~~~~~~
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- Fixed Ptex version parsing and compatibility issues
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- Fixed compatibility issues with VS2015
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- Fixed some bugs with HUD sliders in the example viewers
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- Fixed bug with Bilinear interpolation of face-varying data
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- Fixed bug interpolating face-varying data with Bilinear scheme
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- Fixed bug with refinement using Chaikin creasing
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- Fixed bugs with HUD sliders in the example viewers
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@ -34,7 +34,9 @@
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Release 3.1.0
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=============
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Release 3.1.0 is a significant release with several new features, bug fixes, and general code and configuration improvements.
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Release 3.1.0 is a significant release with several new features, bug fixes, and general
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code and configuration improvements. For more information on the following, please see
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`Release 3.1 <release_31.html>`__
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**New Features**
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- Bicubic Face-Varying Patches
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@ -60,9 +62,9 @@ Release 3.1.0 is a significant release with several new features, bug fixes, and
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**Bug Fixes**
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- Fixed Ptex version parsing and compatibility issues
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- Fixed compatibility issues with VS2015
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- Fixed some bugs with HUD sliders in the example viewers
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- Fixed bug with Bilinear interpolation of face-varying data
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- Fixed bug interpolating face-varying data with Bilinear scheme
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- Fixed bug with refinement using Chaikin creasing
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- Fixed bugs with HUD sliders in the example viewers
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Release 3.0.5
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=============
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@ -154,7 +156,7 @@ Release 3.0.0
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Release 3.0.0 is a major release with many significant improvements and
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changes. For more information on the following, please see
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`Introduction to 3.0 <intro_30.html>`__
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`Release 3.0 <release_30.html>`__
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**New Features**
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- Faster subdivision using less memory
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