blob: 58935264d82d5f984e2dc4432a13d2bb7716dfa9 (
plain)
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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
from gudhi import CoverComplex
"""This file is part of the Gudhi Library. The Gudhi library
(Geometric Understanding in Higher Dimensions) is a generic C++
library for computational topology.
Author(s): Vincent Rouvreau
Copyright (C) 2018 Inria
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 3 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, see <http://www.gnu.org/licenses/>.
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2018 Inria"
__license__ = "GPL v3"
def test_empty_constructor():
# Try to create an empty CoverComplex
cover = CoverComplex()
assert cover.__is_defined() == True
def test_non_existing_file_read():
# Try to open a non existing file
cover = CoverComplex()
assert (cover.read_point_cloud('pouetpouettralala.toubiloubabdou') == False)
def test_files_creation():
# Create test file
cloud_file = open('cloud', 'w')
cloud_file.write('nOFF\n3\n3 0 0\n0 0 0\n2 1 0\n4 0 0')
cloud_file.close()
cover_file = open('cover', 'w')
cover_file.write('1\n2\n3')
cover_file.close()
graph_file = open('graph', 'w')
graph_file.write('0 1\n0 2\n1 2')
graph_file.close()
def test_nerve():
nerve = CoverComplex()
nerve.set_type('Nerve')
assert (nerve.read_point_cloud('cloud') == True)
nerve.set_color_from_coordinate()
nerve.set_graph_from_file('graph')
nerve.set_cover_from_file('cover')
nerve.find_simplices()
stree = nerve.create_simplex_tree()
assert (stree.num_vertices() == 3)
assert ((stree.num_simplices() - stree.num_vertices()) == 0)
assert (stree.dimension() == 0)
def test_graph_induced_complex():
gic = CoverComplex()
gic.set_type('GIC')
assert (gic.read_point_cloud('cloud') == True)
gic.set_color_from_coordinate()
gic.set_graph_from_file('graph')
gic.set_cover_from_file('cover')
gic.find_simplices()
stree = gic.create_simplex_tree()
assert (stree.num_vertices() == 3)
assert ((stree.num_simplices() - stree.num_vertices()) == 4)
assert (stree.dimension() == 2)
def test_voronoi_graph_induced_complex():
gic = CoverComplex()
gic.set_type('GIC')
assert (gic.read_point_cloud('cloud') == True)
gic.set_color_from_coordinate()
gic.set_graph_from_file('graph')
gic.set_cover_from_Voronoi(2)
gic.find_simplices()
stree = gic.create_simplex_tree()
assert (stree.num_vertices() == 2)
assert ((stree.num_simplices() - stree.num_vertices()) == 1)
assert (stree.dimension() == 1)
|
