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#                                                                             #

# This file is part of a style sheet example from the Freestyle application   #

# Copyright (C) 2001-2004  Stephane Grabli (Stephane.Grabli@imag.fr)          #

#                                                                             #

# http://artis.imag.fr/Software/Freestyle                                     #

#                                                                             #

###############################################################################




from Freestyle import *
from logical_operators import *
from predicates import *
from PredicatesU1D import *
from shaders import *
from ChainingIterators import *


id_list = [Id(0,0)]

upred = AndUP1D(AndUP1D(OrUP1D(QuantitativeInvisibilityUP1D(0), NotUP1D(pyIsOccludedByItselfUP1D())), pyNatureUP1D(CREASE)), NotUP1D(pyNatureUP1D(SILHOUETTE)))

bpred = SameShapeIdBP1D()

Operators.select(pyShapeIdUP1D(id_list))

Operators.select(upred)

Operators.bidirectionalChain(ChainPredicateIterator(upred, bpred))

shaders_list = 	[

		IncreasingColorShader(1.0, 1.0, 1.0, 0.9, 0.9, 0.9, 0.9, 0.9), 

		SamplingShader(4),

		TextureAssignerShader(7),

		IncreasingThicknessShader(5, 10),

		SmoothingShader(20, 0.1, 0, 0.2, 0, 0, 0, 1)

		]

Operators.create(TrueUP1D(), shaders_list)