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https://github.com/PixarAnimationStudios/OpenSubdiv
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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
KIND, either express or implied. See the Apache License for the specific
language governing permissions and limitations under the Apache License.
109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
#
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# Copyright 2013 Pixar
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#
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# Licensed under the Apache License, Version 2.0 (the "Apache License")
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# with the following modification; you may not use this file except in
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# compliance with the Apache License and the following modification to it:
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# Section 6. Trademarks. is deleted and replaced with:
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#
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# 6. Trademarks. This License does not grant permission to use the trade
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# names, trademarks, service marks, or product names of the Licensor
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# and its affiliates, except as required to comply with Section 4(c) of
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# the License and to reproduce the content of the NOTICE file.
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#
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# You may obtain a copy of the Apache License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the Apache License with the above modification is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the Apache License for the specific
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# language governing permissions and limitations under the Apache License.
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#
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# Helper classes that present mesh data as a Pythonic list-like
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# objects with properties. In general we prefer clients to use numpy
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# arrays for data. However, for OSD-specific data such as sharpness,
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# we provide these adapter classes.
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class VertexListAdapter(object):
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def __init__(self, shim):
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self.shim = shim
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self.length = shim.getNumVertices()
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def __getitem__(self, index):
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if index >= self.length:
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raise IndexError("Index out of bounds")
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return _VertexAdapter(self.shim, index)
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def __len__(self):
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return self.length
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class _VertexAdapter(object):
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def __init__(self, shim, index):
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self.shim = shim
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self.index = index
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@property
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def sharpness(self):
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return self.shim.getVertexSharpness(
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self.index)
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@sharpness.setter
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def sharpness(self, value):
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self.shim.setVertexSharpness(
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self.index,
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value)
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class FaceListAdapter(object):
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def __init__(self, shim):
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self.shim = shim
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self.length = shim.getNumFaces()
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def __getitem__(self, index):
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if index >= self.length:
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raise IndexError("Index out of bounds")
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return _FaceAdapter(self.shim, index)
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def __len__(self):
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return self.length
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class _FaceAdapter(object):
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def __init__(self, shim, faceIndex):
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self.shim = shim
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self.faceIndex = faceIndex
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self._edgeListAdapter = _EdgeListAdapter(self.shim, faceIndex)
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@property
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def hole(self):
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return self.shim.getFaceHole(self.faceIndex)
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@hole.setter
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def hole(self, value):
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self.shim.setFaceHole(self.faceIndex, value)
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@property
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def edges(self):
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return self._edgeListAdapter
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class _EdgeListAdapter(object):
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def __init__(self, shim, faceIndex):
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self.shim = shim
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self.faceIndex = faceIndex
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self.length = shim.getNumEdges(faceIndex)
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def __getitem__(self, edgeIndex):
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if edgeIndex >= self.length:
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raise IndexError("Index out of bounds")
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return _EdgeAdapter(self.shim, self.faceIndex, edgeIndex)
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def __len__(self):
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return self.length
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class _EdgeAdapter(object):
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def __init__(self, shim, faceIndex, edgeIndex):
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self.shim = shim
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self.faceIndex = faceIndex
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self.edgeIndex = edgeIndex
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@property
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def sharpness(self):
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return self.shim.getEdgeSharpness(
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self.faceIndex,
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self.edgeIndex)
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@sharpness.setter
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def sharpness(self, value):
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self.shim.setEdgeSharpness(
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self.faceIndex,
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self.edgeIndex,
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value)
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