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"""!
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@brief CCORE Wrapper for OPTICS algorithm.
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@authors Andrei Novikov ([email protected])
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@date 2014-2017
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@copyright GNU Public License
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@cond GNU_PUBLIC_LICENSE
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PyClustering is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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PyClustering is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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@endcond
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"""
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from ctypes import cdll, c_double, c_size_t;
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from pyclustering.core.wrapper import PATH_DLL_CCORE_64, create_pointer_data, extract_pyclustering_package;
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class optics_package_indexer:
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OPTICS_PACKAGE_INDEX_CLUSTERS = 0;
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OPTICS_PACKAGE_INDEX_NOISE = 1;
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OPTICS_PACKAGE_INDEX_ORDERING = 2;
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OPTICS_PACKAGE_INDEX_RADIUS = 3;
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def optics(sample, radius, minimum_neighbors, amount_clusters):
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amount = amount_clusters;
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if (amount is None):
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amount = 0;
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pointer_data = create_pointer_data(sample);
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ccore = cdll.LoadLibrary(PATH_DLL_CCORE_64);
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package = ccore.optics_algorithm(pointer_data, c_double(radius), c_size_t(minimum_neighbors), c_size_t(amount));
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results = extract_pyclustering_package(package);
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ccore.free_pyclustering_package(package);
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return (results[optics_package_indexer.OPTICS_PACKAGE_INDEX_CLUSTERS],
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results[optics_package_indexer.OPTICS_PACKAGE_INDEX_NOISE],
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results[optics_package_indexer.OPTICS_PACKAGE_INDEX_ORDERING],
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results[optics_package_indexer.OPTICS_PACKAGE_INDEX_RADIUS][0]); |
annoviko /
pyclustering
