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release/scripts/freestyle/styles/apriori_and_causal_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_and_causal_density.py | |||||
| # Author : Stephane Grabli | |||||
| # Date : 04/08/2005 | |||||
| # Purpose : Selects the lines with high a priori density and | |||||
| # subjects them to the causal density so as to avoid | |||||
| # cluttering | |||||
| from freestyle.chainingiterators import ChainPredicateIterator | |||||
| from freestyle.predicates import ( | |||||
| AndUP1D, | |||||
| NotUP1D, | |||||
| QuantitativeInvisibilityUP1D, | |||||
| TrueBP1D, | |||||
| pyDensityUP1D, | |||||
| pyHighViewMapDensityUP1D, | |||||
| ) | |||||
| from freestyle.shaders import ( | |||||
| ConstantColorShader, | |||||
| ConstantThicknessShader, | |||||
| ) | |||||
| from freestyle.types import IntegrationType, Operators | |||||
| upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.3, IntegrationType.LAST)) | |||||
| Operators.select(upred) | |||||
| bpred = TrueBP1D() | |||||
| Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(QuantitativeInvisibilityUP1D(0))) | |||||
| shaders_list = [ | |||||
| ConstantThicknessShader(2), | |||||
| ConstantColorShader(0, 0, 0, 1), | |||||
| ] | |||||
| Operators.create(pyDensityUP1D(1, 0.1, IntegrationType.MEAN), shaders_list) | |||||