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Diffstat (limited to 'release/scripts/freestyle/style_modules/multiple_parameterization.py')
-rwxr-xr-xrelease/scripts/freestyle/style_modules/multiple_parameterization.py51
1 files changed, 51 insertions, 0 deletions
diff --git a/release/scripts/freestyle/style_modules/multiple_parameterization.py b/release/scripts/freestyle/style_modules/multiple_parameterization.py
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+++ b/release/scripts/freestyle/style_modules/multiple_parameterization.py
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+#
+# Filename : multiple_parameterization.py
+# Author : Stephane Grabli
+# Date : 04/08/2005
+# Purpose : The thickness and the color of the strokes vary continuously
+# independently from occlusions although only
+# visible lines are actually drawn. This is equivalent
+# to assigning the thickness using a parameterization covering
+# the complete silhouette (visible+invisible) and drawing
+# the strokes using a second parameterization that only
+# covers the visible portions.
+#
+#############################################################################
+#
+# Copyright (C) : Please refer to the COPYRIGHT file distributed
+# with this source distribution.
+#
+# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#############################################################################
+
+from freestyle_init import *
+from logical_operators import *
+from ChainingIterators import *
+from shaders import *
+
+Operators.select(QuantitativeInvisibilityUP1D(0))
+## Chain following the same nature, but without the restriction
+## of staying inside the selection (0).
+Operators.bidirectionalChain(ChainSilhouetteIterator(0))
+shaders_list = [
+ SamplingShader(20),
+ IncreasingThicknessShader(1.5, 30),
+ ConstantColorShader(0.0,0.0,0.0),
+ IncreasingColorShader(1,0,0,1,0,1,0,1),
+ TextureAssignerShader(-1),
+ pyHLRShader() ## this shader draws only visible portions
+ ]
+Operators.create(TrueUP1D(), shaders_list)