31 lines
877 B
Python
31 lines
877 B
Python
# SPDX-FileCopyrightText: 2008-2023 Blender Foundation
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Filename : curvature2d.py
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# Author : Stephane Grabli
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# Date : 04/08/2005
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# Purpose : The stroke points are colored in gray levels and depending
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# on the 2d curvature value
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from freestyle.chainingiterators import ChainSilhouetteIterator
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from freestyle.predicates import (
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NotUP1D,
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QuantitativeInvisibilityUP1D,
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TrueUP1D,
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)
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from freestyle.shaders import (
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ConstantThicknessShader,
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py2DCurvatureColorShader,
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)
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from freestyle.types import Operators, Stroke
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Operators.select(QuantitativeInvisibilityUP1D(0))
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Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
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shaders_list = [
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ConstantThicknessShader(5),
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py2DCurvatureColorShader()
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]
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Operators.create(TrueUP1D(), shaders_list)
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