numpy_dumper.py
74b9233dc365master

numpy_dumper.py
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			# @file
			# @section LICENSE
			#
			# Copyright (©) 2016-19 EPFL (École Polytechnique Fédérale de Lausanne),
			# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			#
			# This program is free software: you can redistribute it and/or modify
			# it under the terms of the GNU Affero 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 Affero General Public License for more details.
			#
			# You should have received a copy of the GNU Affero General Public License
			# along with this program. If not, see <https://www.gnu.org/licenses/>.


			from ._helper import FieldDumper, step_dump, directory_dump

			import os

			import numpy as np

			__all__ = ['NumpyDumper']


			@directory_dump('numpys')
			@step_dump
			class NumpyDumper(FieldDumper):
			"""Dumper to compressed numpy files"""
			def __init__(self, basename, *fields):
			default_fields = ['traction', 'displacement',
			'stress', 'plastic_strain']

			super().__init__(basename, default_fields, *fields)

			def dump(self, model):
			dump_fields = {
			field: self.make_periodic[field](model.getField(field))
			for field in self.fields
			}

			np.savez_compressed(self.file_path(), **dump_fields)

			def file_path(self):
			return os.path.join(self.dirname(), "{}{}.npz".format(self.basename,
			self.postfix()))