mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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95 lines
3.8 KiB
Python
95 lines
3.8 KiB
Python
#
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# Copyright (C) Pixar. All rights reserved.
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#
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# This license governs use of the accompanying software. If you
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# use the software, you accept this license. If you do not accept
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# the license, do not use the software.
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#
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# 1. Definitions
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# The terms "reproduce," "reproduction," "derivative works," and
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# "distribution" have the same meaning here as under U.S.
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# copyright law. A "contribution" is the original software, or
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# any additions or changes to the software.
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# A "contributor" is any person or entity that distributes its
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# contribution under this license.
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# "Licensed patents" are a contributor's patent claims that read
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# directly on its contribution.
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#
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# 2. Grant of Rights
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# (A) Copyright Grant- Subject to the terms of this license,
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# including the license conditions and limitations in section 3,
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# each contributor grants you a non-exclusive, worldwide,
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# royalty-free copyright license to reproduce its contribution,
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# prepare derivative works of its contribution, and distribute
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# its contribution or any derivative works that you create.
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# (B) Patent Grant- Subject to the terms of this license,
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# including the license conditions and limitations in section 3,
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# each contributor grants you a non-exclusive, worldwide,
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# royalty-free license under its licensed patents to make, have
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# made, use, sell, offer for sale, import, and/or otherwise
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# dispose of its contribution in the software or derivative works
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# of the contribution in the software.
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#
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# 3. Conditions and Limitations
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# (A) No Trademark License- This license does not grant you
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# rights to use any contributor's name, logo, or trademarks.
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# (B) If you bring a patent claim against any contributor over
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# patents that you claim are infringed by the software, your
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# patent license from such contributor to the software ends
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# automatically.
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# (C) If you distribute any portion of the software, you must
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# retain all copyright, patent, trademark, and attribution
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# notices that are present in the software.
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# (D) If you distribute any portion of the software in source
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# code form, you may do so only under this license by including a
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# complete copy of this license with your distribution. If you
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# distribute any portion of the software in compiled or object
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# code form, you may only do so under a license that complies
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# with this license.
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# (E) The software is licensed "as-is." You bear the risk of
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# using it. The contributors give no express warranties,
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# guarantees or conditions. You may have additional consumer
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# rights under your local laws which this license cannot change.
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# To the extent permitted under your local laws, the contributors
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# exclude the implied warranties of merchantability, fitness for
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# a particular purpose and non-infringement.
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#
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class TopoError(Exception):
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def __init__(self, message):
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Exception.__init__(self, message)
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class OsdTypeError(Exception):
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def __init__(self, message):
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Exception.__init__(self, message)
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# From hbr/mesh.h
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class BoundaryMode:
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"Subdivision boundary rules for :class:`osd.Topology` construction."
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NONE = 0
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"Boundary edges are corner verts are not processed specially."
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EDGE_ONLY = 1
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"Boundary edges are marked infinitely sharp."
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EDGE_AND_CORNER = 2
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'''Boundary edges are marked infinitely sharp, and vertices with
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valence=2 are marked infinitely sharp.'''
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ALWAYS_SHARP = 3
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"Unused."
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class Sharpness:
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'''Provides some floating-point constants that clients can
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optionally use to set sharpness.'''
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SMOOTH = 0
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"As smooth as possible."
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SHARP = 1
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"Moderately sharp."
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INFINITELY_SHARP = 2
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"As sharp as possible."
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