blender/release/scripts/freestyle/styles/split_at_highest_2d_curvatures.py

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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : split_at_highest_2d_curvature.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws the visible lines (chaining follows same nature lines)
# (most basic style module)
from freestyle.chainingiterators import ChainSilhouetteIterator
from freestyle.functions import pyInverseCurvature2DAngleF0D
from freestyle.predicates import (
NotUP1D,
QuantitativeInvisibilityUP1D,
TrueUP1D,
pyHigherLengthUP1D,
pyParameterUP0D,
)
from freestyle.shaders import (
ConstantThicknessShader,
IncreasingColorShader,
TextureAssignerShader,
)
from freestyle.types import Operators
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
func = pyInverseCurvature2DAngleF0D()
Operators.recursive_split(func, pyParameterUP0D(0.4, 0.6), NotUP1D(pyHigherLengthUP1D(100)), 2)
shaders_list = [
ConstantThicknessShader(10),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
TextureAssignerShader(3),
]
Operators.create(TrueUP1D(), shaders_list)