blender/release/scripts/freestyle/style_modules/apriori_density.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 : apriori_density.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws lines having a high a priori density
from freestyle import ChainPredicateIterator, ConstantColorShader, ConstantThicknessShader, Operators, \
QuantitativeInvisibilityUP1D, TrueBP1D, TrueUP1D
from PredicatesU1D import pyHighViewMapDensityUP1D
from logical_operators import AndUP1D, NotUP1D
Operators.select(AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.1,5)))
bpred = TrueBP1D()
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.0007,5))
Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
ConstantThicknessShader(2),
ConstantColorShader(0.0, 0.0, 0.0,1)
]
Operators.create(TrueUP1D(), shaders_list)