# the strokes using a second parameterization that only
# covers the visible portions.
from freestyle.chainingiterators import ChainSilhouetteIterator
from freestyle.predicates import (
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
ConstantColorShader,
IncreasingColorShader,
IncreasingThicknessShader,
SamplingShader,
pyHLRShader,
)
from freestyle.types import Operators
Operators.select(QuantitativeInvisibilityUP1D(0))
## Chain following the same nature, but without the restriction
## of staying inside the selection (False).
Operators.bidirectional_chain(ChainSilhouetteIterator(False))
shaders_list = [
SamplingShader(20),
IncreasingThicknessShader(1.5, 30),
ConstantColorShader(0.0, 0.0, 0.0),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
pyHLRShader(), ## this shader draws only visible portions
]
Operators.create(TrueUP1D(), shaders_list)
# the complete silhouette (visible+invisible) and drawing
# the strokes using a second parameterization that only
# covers the visible portions.
from freestyle.chainingiterators import ChainSilhouetteIterator
from freestyle.predicates import (
QuantitativeInvisibilityUP1D,
TrueUP1D,
)
from freestyle.shaders import (
ConstantColorShader,
IncreasingColorShader,
IncreasingThicknessShader,
SamplingShader,
pyHLRShader,
)
from freestyle.types import Operators
Operators.select(QuantitativeInvisibilityUP1D(0))
# Chain following the same nature, but without the restriction
# of staying inside the selection (False).
Operators.bidirectional_chain(ChainSilhouetteIterator(False))
shaders_list = [
SamplingShader(20),
IncreasingThicknessShader(1.5, 30),
ConstantColorShader(0.0, 0.0, 0.0),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
pyHLRShader(), # this shader draws only visible portions
]
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)
# 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)
