from freestyle.chainingiterators import pySketchyChainingIterator
from freestyle.predicates import (
AndUP1D,
ExternalContourUP1D,
NotUP1D,
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
IncreasingColorShader,
IncreasingThicknessShader,
SamplingShader,
SmoothingShader,
SpatialNoiseShader,
TextureAssignerShader,
)
from freestyle.types import Operators
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ExternalContourUP1D())
Operators.select(upred)
Operators.bidirectional_chain(pySketchyChainingIterator(), NotUP1D(upred))
shaders_list = [
SamplingShader(4),
SpatialNoiseShader(10, 150, 2, True, True),
IncreasingThicknessShader(4, 10),
SmoothingShader(400, 0.1, 0, 0.2, 0, 0, 0, 1),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
TextureAssignerShader(4),
]
Operators.create(TrueUP1D(), shaders_list)
# Date : 04/08/2005
# Purpose : The topology of the strokes is built
# so as to chain several times the same ViewEdge.
# The topology of the objects is preserved
from freestyle.chainingiterators import pySketchyChainSilhouetteIterator
from freestyle.predicates import (
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
ConstantColorShader,
IncreasingThicknessShader,
SamplingShader,
SmoothingShader,
SpatialNoiseShader,
)
from freestyle.types import Operators
upred = QuantitativeInvisibilityUP1D(0)
Operators.select(upred)
Operators.bidirectional_chain(pySketchyChainSilhouetteIterator(3, True))
shaders_list = [
SamplingShader(4),
SpatialNoiseShader(20, 220, 2, True, True),
IncreasingThicknessShader(4, 8),
SmoothingShader(300, 0.05, 0, 0.2, 0, 0, 0, 0.5),
ConstantColorShader(0.6, 0.2, 0.0),
]
Operators.create(TrueUP1D(), shaders_list)
# Purpose : Builds sketchy strokes whose topology relies on a
# parameterization that covers the complete lines (visible+invisible)
# whereas only the visible portions are actually drawn
from freestyle.chainingiterators import pySketchyChainSilhouetteIterator
from freestyle.predicates import (
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
IncreasingColorShader,
IncreasingThicknessShader,
SamplingShader,
SmoothingShader,
SpatialNoiseShader,
pyHLRShader,
)
from freestyle.types import Operators
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(pySketchyChainSilhouetteIterator(3, False))
shaders_list = [
SamplingShader(2),
SpatialNoiseShader(15, 120, 2, True, True),
IncreasingThicknessShader(5, 30),
SmoothingShader(100, 0.05, 0, 0.2, 0, 0, 0, 1),
IncreasingColorShader(0, 0.2, 0, 1, 0.2, 0.7, 0.2, 1),
pyHLRShader(),
]
Operators.create(TrueUP1D(), shaders_list)