#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : qi0_not_external_contour.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws the visible lines (chaining follows same nature lines)
# that do not belong to the external contour of the scene
from freestyle import BackboneStretcherShader, ChainSilhouetteIterator, ExternalContourUP1D, \
IncreasingColorShader, IncreasingThicknessShader, Operators, QuantitativeInvisibilityUP1D, \
SamplingShader, SpatialNoiseShader, TextureAssignerShader, TrueUP1D
from logical_operators import AndUP1D, NotUP1D
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ExternalContourUP1D())
Operators.select(upred)
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(upred))
shaders_list = [
SamplingShader(4),
SpatialNoiseShader(4, 150, 2, True, True),
IncreasingThicknessShader(2, 5),
BackboneStretcherShader(20),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
TextureAssignerShader(4),
]
Operators.create(TrueUP1D(), shaders_list)
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : sketchy_multiple_parameterization.py
# Author : Stephane Grabli
# Date : 04/08/2005
# 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 ChainingIterators import pySketchyChainSilhouetteIterator
from freestyle import IncreasingColorShader, IncreasingThicknessShader, Operators, \
QuantitativeInvisibilityUP1D, SamplingShader, SmoothingShader, SpatialNoiseShader, \
TextureAssignerShader, TrueUP1D
from shaders import pyHLRShader
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),
TextureAssignerShader(6),
pyHLRShader(),
]
Operators.create(TrueUP1D(), shaders_list)