Differential D163 Diff 474 release/scripts/freestyle/styles/sketchy_topology_preserved.py

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release/scripts/freestyle/styles/sketchy_topology_preserved.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 : sketchy_topology_preserved.py
				# Author : Stephane Grabli
				# Date : 04/08/2005
				# Purpose : The topology of the strokes is built
				# so as to chain several times the same ViewEdge.
				# The topology of the objects is preserved

				from freestyle.chainingiterators import pySketchyChainSilhouetteIterator
				from freestyle.predicates import (
				QuantitativeInvisibilityUP1D,
				TrueUP1D,
				)
				from freestyle.shaders import (
				ConstantColorShader,
				IncreasingThicknessShader,
				SamplingShader,
				SmoothingShader,
				SpatialNoiseShader,
				TextureAssignerShader,
				)
				from freestyle.types import Operators


				upred = QuantitativeInvisibilityUP1D(0)
				Operators.select(upred)
				Operators.bidirectional_chain(pySketchyChainSilhouetteIterator(3, True))
				shaders_list = [
				SamplingShader(4),
				SpatialNoiseShader(20, 220, 2, True, True),
				IncreasingThicknessShader(4, 8),
				SmoothingShader(300, 0.05, 0, 0.2, 0, 0, 0, 0.5),
				ConstantColorShader(0.6, 0.2, 0.0),
				TextureAssignerShader(4),
				]
				Operators.create(TrueUP1D(), shaders_list)