src/bc/BC.py
# Copyright (C) 2012,2013
# Max Planck Institute for Polymer Research
# Copyright (C) 2008,2009,2010,2011
# Max-Planck-Institute for Polymer Research & Fraunhofer SCAI
#
# This file is part of ESPResSo++.
#
# ESPResSo++ 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.
#
# ESPResSo++ 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/>.
r"""
This is the abstract base class for all boundary condition objects.
It cannot be used directly. All derived classes implement at least
the following methods:
.. py:class:: espressopp.bc.BC
.. py:method:: espressopp.bc.BC.getFoldedPosition(pos, imageBox)
:param pos:
:param imageBox: (default: None)
:type pos:
:type imageBox:
:rtype:
.. py:method:: espressopp.bc.BC.getMinimumImageVector(pos1, pos2)
:param pos1:
:param pos2:
:type pos1:
:type pos2:
:rtype:
.. py:method:: espressopp.bc.BC.getRandomPos()
:rtype:
.. py:method:: espressopp.bc.BC.getUnfoldedPosition(pos, imageBox)
:param pos:
:param imageBox:
:type pos:
:type imageBox:
:rtype:
`pos`, `pos1` and `pos2` are particle coordinates ( type: (`float`, `float`, `float`) ).
`imageBox` ( type: (`int`, `int`, `int`) ) specifies the
"""
from espressopp import pmi
from espressopp import toReal3D, toReal3DFromVector, toInt3D, toInt3DFromVector
from _espressopp import bc_BC
class BCLocal(object):
def getMinimumImageVector(self, pos1, pos2):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup() or pmi.isController:
return self.cxxclass.getMinimumImageVector(
self, toReal3DFromVector(pos1), toReal3DFromVector(pos2))
def getFoldedPosition(self, pos, imageBox=None):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup() or pmi.isController:
if imageBox is None:
return self.cxxclass.getFoldedPosition(self, toReal3DFromVector(pos))
else:
return self.cxxclass.getFoldedPosition(
self, toReal3DFromVector(pos), toInt3DFromVector(imageBox))
def getUnfoldedPosition(self, pos, imageBox):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup() or pmi.isController:
return self.cxxclass.getUnfoldedPosition(
self, toReal3DFromVector(pos), toInt3DFromVector(imageBox))
def getRandomPos(self):
if not (pmi._PMIComm and pmi._PMIComm.isActive()) or pmi._MPIcomm.rank in pmi._PMIComm.getMPIcpugroup() or pmi.isController:
return self.cxxclass.getRandomPos(self)
if pmi.isController :
class BC(metaclass=pmi.Proxy):
pmiproxydefs = dict(
pmiproperty = [ "boxL", "rng" ],
localcall = [ "getMinimumImageVector",
"getFoldedPosition", "getUnfoldedPosition",
"getRandomPos" ]
)