Source code for spynnaker8.models.connectors.distance_dependent_probability_connector

# Copyright (c) 2017-2019 The University of Manchester
# This program 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.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# 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 <>.

from pyNN.connectors import (
    DistanceDependentProbabilityConnector as
from spynnaker.pyNN.models.neural_projections.connectors import (
    DistanceDependentProbabilityConnector as

[docs]class DistanceDependentProbabilityConnector( CommonDistanceDependentProbabilityConnector, PyNNDistanceDependentProbabilityConnector): """ Make connections using a distribution which varies with distance. """ __slots__ = [] def __init__( self, d_expression, allow_self_connections=True, safe=True, verbose=False, n_connections=None, rng=None, callback=None): """ :param str d_expression: the right-hand side of a valid python expression for probability, involving `d`, e.g. ``"exp(-abs(d))"``, or ``"d<3"``, that can be parsed by :py:func:`eval`, that computes the distance dependent distribution :param bool allow_self_connections: if the connector is used to connect a Population to itself, this flag determines whether a neuron is allowed to connect to itself, or only to other neurons in the Population. :param bool safe: if True, check that weights and delays have valid values. If False, this check is skipped. :param bool verbose: Whether to output extra information about the connectivity to a CSV file :param int n_connections: The number of efferent synaptic connections per neuron. :param ~pyNN.random.NumpyRNG rng: random number generator :param callable callback: if given, a callable that display a progress bar on the terminal. .. note:: Not supported by sPyNNaker. """ # pylint: disable=too-many-arguments CommonDistanceDependentProbabilityConnector.__init__( self, d_expression=d_expression, allow_self_connections=allow_self_connections, safe=safe, verbose=verbose, n_connections=n_connections) PyNNDistanceDependentProbabilityConnector.__init__( self, d_expression=d_expression, allow_self_connections=allow_self_connections, rng=rng, safe=safe, callback=callback)