# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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 : invisible_lines.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws all lines whose Quantitative Invisibility
# is different from 0
from freestyle import ChainSilhouetteIterator, ConstantColorShader, ConstantThicknessShader, \
Operators, QuantitativeInvisibilityUP1D, SamplingShader, TrueUP1D
from logical_operators import NotUP1D
upred = NotUP1D(QuantitativeInvisibilityUP1D(0))
Operators.select(upred)
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(upred))
shaders_list = [
SamplingShader(5.0),
ConstantThicknessShader(3.0),
ConstantColorShader(0.7, 0.7, 0.7),
]
Operators.create(TrueUP1D(), shaders_list)
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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 : tvertex_remover.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Removes TVertices
from freestyle import ChainSilhouetteIterator, ConstantColorShader, IncreasingThicknessShader, \
Operators, QuantitativeInvisibilityUP1D, SamplingShader, TrueUP1D
from logical_operators import NotUP1D
from shaders import pyTVertexRemoverShader
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
IncreasingThicknessShader(3, 5),
ConstantColorShader(0.2, 0.2, 0.2, 1),
SamplingShader(10.0),
pyTVertexRemoverShader(),
]
Operators.create(TrueUP1D(), shaders_list)
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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 : apriori_and_causal_density.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Selects the lines with high a priori density and
# subjects them to the causal density so as to avoid
# cluttering
from freestyle import ChainPredicateIterator, ConstantColorShader, ConstantThicknessShader, IntegrationType, \
Operators, QuantitativeInvisibilityUP1D, TrueBP1D
from PredicatesU1D import pyDensityUP1D, pyHighViewMapDensityUP1D
from logical_operators import AndUP1D, NotUP1D
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.3, IntegrationType.LAST))
Operators.select(upred)
bpred = TrueBP1D()
Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
ConstantThicknessShader(2),
ConstantColorShader(0, 0, 0, 1),
]
Operators.create(pyDensityUP1D(1, 0.1, IntegrationType.MEAN), shaders_list)
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# 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 : uniformpruning_zsort.py
# Authors : Fredo Durand, Stephane Grabli, Francois Sillion, Emmanuel Turquin
# Date : 08/04/2005
from freestyle import ChainSilhouetteIterator, ConstantColorShader, ConstantThicknessShader, IntegrationType, \
Operators, QuantitativeInvisibilityUP1D, SamplingShader, Stroke, StrokeTextureShader
from PredicatesB1D import pyZBP1D
from PredicatesU1D import pyDensityUP1D
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator())
#Operators.sequential_split(pyVertexNatureUP0D(Nature.VIEW_VERTEX), 2)
Operators.sort(pyZBP1D())
shaders_list = [
StrokeTextureShader("smoothAlpha.bmp", Stroke.OPAQUE_MEDIUM, False),
ConstantThicknessShader(3),
SamplingShader(5.0),
ConstantColorShader(0, 0, 0, 1),
]
Operators.create(pyDensityUP1D(2, 0.05, IntegrationType.MEAN, 4), shaders_list)
#Operators.create(pyDensityFunctorUP1D(8, 0.03, pyGetInverseProjectedZF1D(), 0, 1, IntegrationType.MEAN), shaders_list)
self._integration = integration
self._func = DensityF1D(self._wsize, self._integration, sampling)
self._func2 = DensityF1D(self._wsize, IntegrationType.MAX, sampling)
def __call__(self, inter):
c = self._func(inter)
m = self._func2(inter)
if c < self._threshold:
return 1
if m > 4 * c:
if c < 1.5 * self._threshold:
return 1
return 0
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(),
NotUP1D(QuantitativeInvisibilityUP1D(0)))
Operators.select(pyHigherLengthUP1D(40))
## selects lines having a high anisotropic a priori density
Operators.select(pyHighDensityAnisotropyUP1D(0.3, 4))
Operators.sort(pyLengthBP1D())
shaders_list = [
SamplingShader(2.0),
ConstantThicknessShader(2),
ConstantColorShader(0.2, 0.2, 0.25, 1),
]
## uniform culling
Operators.create(pyDensityUP1D(3.0, 2.0e-2, IntegrationType.MEAN, 0.1),
shaders_list)
def __init__(self, wsize, threshold, integration=IntegrationType.MEAN, sampling=2.0):
UnaryPredicate1D.__init__(self)
self._wsize = wsize
self._threshold = threshold
self._integration = integration
self._func = DensityF1D(self._wsize, self._integration, sampling)
self._func2 = DensityF1D(self._wsize, IntegrationType.MAX, sampling)
def __call__(self, inter):
c = self._func(inter)
m = self._func2(inter)
if c < self._threshold:
return 1
if m > 4*c:
if c < 1.5*self._threshold:
return 1
return 0
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(),NotUP1D(QuantitativeInvisibilityUP1D(0)))
Operators.select(pyHigherLengthUP1D(40))
## selects lines having a high anisotropic a priori density
Operators.select(pyHighDensityAnisotropyUP1D(0.3,4))
Operators.sort(pyLengthBP1D())
shaders_list = [
SamplingShader(2.0),
ConstantThicknessShader(2),
ConstantColorShader(0.2,0.2,0.25,1),
]
## uniform culling
Operators.create(pyDensityUP1D(3.0,2.0e-2, IntegrationType.MEAN, 0.1), shaders_list)
