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ENH: avoid decimation for models with number of points lesser than 50 #11

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Dec 22, 2022
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ENH: avoid decimation for models with number of points lesser than 50 #11

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6 changes: 4 additions & 2 deletions OpenAnatomyExport/OpenAnatomyExport.py
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Original file line number Diff line number Diff line change
Expand Up @@ -408,10 +408,12 @@ def addModelToRenderer(self, inputModelNode, outputModelNode, boostGouraudColor=
self._temporaryExportNodes.append(self._decimationParameterNode)

# Quadric decimation
if self.reductionFactor == 0.0:
if (self.reductionFactor == 0.0) or (inputModelNode.GetPolyData().GetNumberOfPoints() < 50):
# Models with very small number of points are not decimated, as the memory saving is
# negligible and the models may become severely distorted.
outputModelNode.CopyContent(inputModelNode)
else:

# Temporary workaround (part 1/2):
# VTK 9.0 OBJ writer creates invalid OBJ file if there are triangle
# strips and normals but no texture coords.
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