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#  Filename : split_at_highest_2d_curvature.py
#  Author   : Stephane Grabli
#  Date     : 04/08/2005
#  Purpose  : Draws the visible lines (chaining follows same nature lines)
#             (most basic style module)

from freestyle import ChainSilhouetteIterator, ConstantThicknessShader, IncreasingColorShader, \
    Operators, QuantitativeInvisibilityUP1D, TextureAssignerShader, TrueUP1D
from Functions0D import pyInverseCurvature2DAngleF0D
from PredicatesU0D import pyParameterUP0D
from PredicatesU1D import pyHigherLengthUP1D
from logical_operators import NotUP1D

Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
func = pyInverseCurvature2DAngleF0D()
Operators.recursive_split(func, pyParameterUP0D(0.4, 0.6), NotUP1D(pyHigherLengthUP1D(100)), 2)
shaders_list = [
    ConstantThicknessShader(10),
    IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
    TextureAssignerShader(3),
    ]
Operators.create(TrueUP1D(), shaders_list)
