# Copyright (c) 2021. Lucas G. S. Jeub
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# SOFTWARE.
from pathlib import Path
import numpy as np
from local2global.patch import FilePatch
from local2global.lazy import LazyFileCoordinates
from local2global_embedding.run.utils import ScriptParser
from local2global_embedding.embedding.svd import bipartite_svd_patches
[docs]
def svd_patches(data, index, output_folder, dim):
label = data.timestep_labels[index]
output_folder = Path(output_folder)
index_files = [output_folder / f'{label}_{t}_index.npy' for t in ('source', 'dest')]
coords_files = [output_folder / f'{label}_{t}_svd_{dim}_coords.npy' for t in ('source', 'dest')]
if not all(f.is_file() for f in coords_files):
adj = data.timesteps[index]
patches = bipartite_svd_patches(adj, dim)
for p, index_file, coords_file in zip(patches, index_files, coords_files):
if not index_file.is_file():
np.save(index_file, p.nodes)
np.save(coords_file, p.coordinates)
p.coordinates = LazyFileCoordinates(coords_file)
else:
patches = [FilePatch(np.load(index_file), coords_file) for index_file, coords_file in zip(index_files, coords_files)]
return patches