forked from bartvdbraak/blender
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# ##### BEGIN GPL LICENSE BLOCK #####
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# 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 : PredicatesB1D.py
|
|
# Authors : Fredo Durand, Stephane Grabli, Francois Sillion, Emmanuel Turquin
|
|
# Date : 08/04/2005
|
|
# Purpose : Binary predicates (functors) to be used for 1D elements
|
|
|
|
from freestyle import BinaryPredicate1D, GetZF1D, IntegrationType, Nature, SameShapeIdBP1D, ZDiscontinuityF1D
|
|
from Functions1D import pyViewMapGradientNormF1D
|
|
|
|
import random
|
|
|
|
class pyZBP1D(BinaryPredicate1D):
|
|
def __call__(self, i1, i2):
|
|
func = GetZF1D()
|
|
return (func(i1) > func(i2))
|
|
|
|
class pyZDiscontinuityBP1D(BinaryPredicate1D):
|
|
def __init__(self, iType = IntegrationType.MEAN):
|
|
BinaryPredicate1D.__init__(self)
|
|
self._GetZDiscontinuity = ZDiscontinuityF1D(iType)
|
|
def __call__(self, i1, i2):
|
|
return (self._GetZDiscontinuity(i1) > self._GetZDiscontinuity(i2))
|
|
|
|
class pyLengthBP1D(BinaryPredicate1D):
|
|
def __call__(self, i1, i2):
|
|
return (i1.length_2d > i2.length_2d)
|
|
|
|
class pySilhouetteFirstBP1D(BinaryPredicate1D):
|
|
def __call__(self, inter1, inter2):
|
|
bpred = SameShapeIdBP1D()
|
|
if (bpred(inter1, inter2) != 1):
|
|
return 0
|
|
if (inter1.nature & Nature.SILHOUETTE):
|
|
return (inter2.nature & Nature.SILHOUETTE) != 0
|
|
return (inter1.nature == inter2.nature)
|
|
|
|
class pyNatureBP1D(BinaryPredicate1D):
|
|
def __call__(self, inter1, inter2):
|
|
return (inter1.nature & inter2.nature)
|
|
|
|
class pyViewMapGradientNormBP1D(BinaryPredicate1D):
|
|
def __init__(self,l, sampling=2.0):
|
|
BinaryPredicate1D.__init__(self)
|
|
self._GetGradient = pyViewMapGradientNormF1D(l, IntegrationType.MEAN)
|
|
def __call__(self, i1,i2):
|
|
#print("compare gradient")
|
|
return (self._GetGradient(i1) > self._GetGradient(i2))
|
|
|
|
class pyShuffleBP1D(BinaryPredicate1D):
|
|
def __init__(self):
|
|
BinaryPredicate1D.__init__(self)
|
|
random.seed(1)
|
|
def __call__(self, inter1, inter2):
|
|
r1 = random.uniform(0,1)
|
|
r2 = random.uniform(0,1)
|
|
return (r1<r2)
|