35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
# SPDX-FileCopyrightText: 2008-2023 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Author : Stephane Grabli
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# Date : 04/08/2005
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# Purpose : Selects the lines with high a priori density and
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# subjects them to the causal density so as to avoid
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# cluttering
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from freestyle.chainingiterators import ChainPredicateIterator
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from freestyle.predicates import (
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AndUP1D,
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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TrueBP1D,
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pyDensityUP1D,
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pyHighViewMapDensityUP1D,
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)
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from freestyle.shaders import (
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ConstantColorShader,
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ConstantThicknessShader,
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)
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from freestyle.types import IntegrationType, Operators
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upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.3, IntegrationType.LAST))
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Operators.select(upred)
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bpred = TrueBP1D()
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Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(QuantitativeInvisibilityUP1D(0)))
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shaders_list = [
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ConstantThicknessShader(2),
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ConstantColorShader(0, 0, 0, 1),
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]
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Operators.create(pyDensityUP1D(1, 0.1, IntegrationType.MEAN), shaders_list)
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