|
1
|
|
|
"""! |
|
2
|
|
|
|
|
3
|
|
|
@brief CCORE Wrapper for DBSCAN algorithm. |
|
4
|
|
|
|
|
5
|
|
|
@authors Andrei Novikov ([email protected]) |
|
6
|
|
|
@date 2014-2016 |
|
7
|
|
|
@copyright GNU Public License |
|
8
|
|
|
|
|
9
|
|
|
@cond GNU_PUBLIC_LICENSE |
|
10
|
|
|
PyClustering is free software: you can redistribute it and/or modify |
|
11
|
|
|
it under the terms of the GNU General Public License as published by |
|
12
|
|
|
the Free Software Foundation, either version 3 of the License, or |
|
13
|
|
|
(at your option) any later version. |
|
14
|
|
|
|
|
15
|
|
|
PyClustering is distributed in the hope that it will be useful, |
|
16
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
17
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
18
|
|
|
GNU General Public License for more details. |
|
19
|
|
|
|
|
20
|
|
|
You should have received a copy of the GNU General Public License |
|
21
|
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
22
|
|
|
@endcond |
|
23
|
|
|
|
|
24
|
|
|
""" |
|
25
|
|
|
|
|
26
|
|
|
from ctypes import cdll, c_double, c_size_t; |
|
27
|
|
|
|
|
28
|
|
|
from pyclustering.core.wrapper import PATH_DLL_CCORE_64, create_pointer_data, extract_pyclustering_package; |
|
29
|
|
|
|
|
30
|
|
|
def dbscan(sample, eps, min_neighbors, return_noise = False): |
|
|
|
|
|
|
31
|
|
|
pointer_data = create_pointer_data(sample); |
|
32
|
|
|
|
|
33
|
|
|
ccore = cdll.LoadLibrary(PATH_DLL_CCORE_64); |
|
34
|
|
|
package = ccore.dbscan_algorithm(pointer_data, c_double(eps), c_size_t(min_neighbors)); |
|
35
|
|
|
|
|
36
|
|
|
list_of_clusters = extract_pyclustering_package(package); |
|
37
|
|
|
ccore.free_pyclustering_package(package); |
|
38
|
|
|
|
|
39
|
|
|
noise = list_of_clusters[len(list_of_clusters) - 1]; |
|
40
|
|
|
list_of_clusters.remove(noise); |
|
41
|
|
|
|
|
42
|
|
|
return (list_of_clusters, noise); |
annoviko /
pyclustering
Loading history...