1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#
# Filename : sequentialsplit_sketchy.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Use the sequential split with two different
# predicates to specify respectively the starting and
# the stopping extremities for strokes
#
#############################################################################
#
# Copyright (C) : Please refer to the COPYRIGHT file distributed
# with this source distribution.
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#############################################################################
from freestyle_init import *
from logical_operators import *
from PredicatesU1D import *
from PredicatesU0D import *
from Functions0D import *
## Predicate to tell whether a TVertex
## corresponds to a change from 0 to 1 or not.
class pyBackTVertexUP0D(UnaryPredicate0D):
def __init__(self):
UnaryPredicate0D.__init__(self)
self._getQI = QuantitativeInvisibilityF0D()
def getName(self):
return "pyBackTVertexUP0D"
def __call__(self, iter):
v = iter.getObject()
nat = v.getNature()
if(nat & Nature.T_VERTEX == 0):
return 0
if(self._getQI(iter) != 0):
return 1
return 0
upred = QuantitativeInvisibilityUP1D(0)
Operators.select(upred)
Operators.bidirectionalChain(ChainSilhouetteIterator(), NotUP1D(upred))
## starting and stopping predicates:
start = pyVertexNatureUP0D(Nature.NON_T_VERTEX)
stop = pyBackTVertexUP0D()
Operators.sequentialSplit(start, stop, 10)
shaders_list = [
SpatialNoiseShader(7, 120, 2, True, True),
IncreasingThicknessShader(5, 8),
ConstantColorShader(0.2, 0.2, 0.2, 1),
TextureAssignerShader(4)
]
Operators.create(TrueUP1D(), shaders_list)
|
