Example #1
0
def connect_from_file(self, filename):
    """
    Builds a connection pattern using data saved using the Projection.save_connectivity() method (not save()!).

    *Parameters*:

    * **filename**: file where the data was saved.

    .. note::

        Only the ranks, weights and delays are loaded, not the other variables.
    """
    # Create an empty CSR object
    csr = Connector.CSR()

    # Load the data
    from ANNarchy.core.IO import _load_data
    try:
        data = _load_data(filename)
    except Exception as e:
        Global._print(e)
        Global._error('connect_from_file(): Unable to load the data', filename,
                      'into the projection.')
        exit(0)

    # Load the CSR object
    try:
        csr.post_rank = data['post_ranks']
        csr.pre_rank = data['pre_ranks']
        if isinstance(data['w'], (int, float)):
            self._single_constant_weight = True
            csr.w = [[data['w']]]
        else:
            csr.w = data['w']
        csr.size = data['size']
        csr.nb_synapses = data['nb_synapses']
        if data['delay']:
            csr.delay = data['delay']
        csr.max_delay = data['max_delay']
        csr.uniform_delay = data['uniform_delay']
    except Exception as e:
        Global._print(e)
        Global._error('Unable to load the data', filename,
                      'into the projection.')
        exit(0)

    # Store the synapses
    self.connector_name = "From File"
    self.connector_description = "From File"
    self._store_connectivity(
        self._load_from_csr, (csr, ),
        csr.max_delay if csr.uniform_delay > -1 else csr.delay)
    return self
Example #2
0
def connect_from_file(self, filename):
    """
    Builds a connection pattern using data saved using the Projection.save_connectivity() method (not save()!).

    *Parameters*:

    * **filename**: file where the data was saved.

    .. note::

        Only the ranks, weights and delays are loaded, not the other variables.
    """
    # Create an empty CSR object
    csr = Connector.CSR()

    # Load the data        
    from ANNarchy.core.IO import _load_data
    try:
        data = _load_data(filename)
    except Exception as e:
        Global._print(e)
        Global._error('connect_from_file(): Unable to load the data', filename, 'into the projection.')
        exit(0)

    # Load the CSR object
    try:
        csr.post_rank = data['post_ranks']
        csr.pre_rank = data['pre_ranks']
        if isinstance(data['w'], (int, float)):
            self._single_constant_weight = True
            csr.w = [[data['w']]]
        else:
            csr.w = data['w']
        csr.size = data['size']
        csr.nb_synapses = data['nb_synapses']
        if data['delay']:
            csr.delay = data['delay']
        csr.max_delay = data['max_delay']
        csr.uniform_delay = data['uniform_delay']
    except Exception as e:
        Global._print(e)
        Global._error('Unable to load the data', filename, 'into the projection.')
        exit(0)

    # Store the synapses
    self.connector_name = "From File"
    self.connector_description = "From File"
    self._store_connectivity(self._load_from_csr, (csr,), csr.max_delay if csr.uniform_delay > -1 else csr.delay)
    return self
Example #3
0
    def load(self, filename):
        """
        Loads the saved state of the projection.

        Warning: Matlab data can not be loaded.

        *Parameters*:

        * **filename**: the filename with relative or absolute path.

        Example::

            proj.load('pop1.txt')

        """
        from ANNarchy.core.IO import _load_data, _load_proj_data
        _load_proj_data(self, _load_data(filename))
Example #4
0
    def load(self, filename):
        """
        Load the saved state of the population.

        Warning: Matlab data can not be loaded.

        *Parameters*:

        * **filename**: the filename with relative or absolute path.

        Example::

            pop.load('pop1.txt')

        """
        from ANNarchy.core.IO import _load_data, _load_pop_data
        _load_pop_data(self, _load_data(filename))
Example #5
0
    def load(self, filename):
        """
        Load the saved state of the population by `Population.save()`.

        Warning: Matlab data can not be loaded.

        Example:

        ```python
        pop.load('pop1.npz')
        pop.load('pop1.txt')
        pop.load('pop1.txt.gz')
        ```

        :param filename: the filename with relative or absolute path.

        """
        from ANNarchy.core.IO import _load_data
        self._load_pop_data(_load_data(filename))
Example #6
0
    def load(self, filename):
        """
        Loads the saved state of the projection by `Projection.save()`.

        Warning: Matlab data can not be loaded.

        *Parameters*:

        * **filename**: the file name with relative or absolute path.

        Example::

            proj.load('proj1.npz')
            proj.load('proj1.txt')
            proj.load('proj1.txt.gz')

        """
        from ANNarchy.core.IO import _load_data
        self._load_proj_data(_load_data(filename))
Example #7
0
def connect_from_file(self, filename):
    """
    Builds the connectivity matrix using data saved using the Projection.save_connectivity() method (not save()!).

    Admissible file formats are compressed Numpy files (.npz), gunzipped binary text files (.gz) or binary text files.

    *Parameters*:

    * **filename**: file where the connections were saved.

    .. note::

        Only the ranks, weights and delays are loaded, not the other variables.
    """
    # Create an empty LIL object
    lil = LILConnectivity()

    # Load the data
    from ANNarchy.core.IO import _load_data
    try:
        data = _load_data(filename)
    except Exception as e:
        Global._print(e)
        Global._error('connect_from_file(): Unable to load the data', filename, 'into the projection.')

    # Load the LIL object
    try:
        # Size
        lil.size = data['size']
        lil.nb_synapses = data['nb_synapses']

        # Ranks
        lil.post_rank = list(data['post_ranks'])
        lil.pre_rank = list(data['pre_ranks'])

        # Weights
        if isinstance(data['w'], (int, float)):
            self._single_constant_weight = True
            lil.w = [[float(data['w'])]]
        elif isinstance(data['w'], (np.ndarray,)) and data['w'].size == 1:
            self._single_constant_weight = True
            lil.w = [[float(data['w'])]]
        else:
            lil.w = data['w']

        # Delays
        if data['delay']:
            lil.delay = data['delay']
        lil.max_delay = data['max_delay']
        lil.uniform_delay = data['uniform_delay']

    except Exception as e:
        Global._print(e)
        Global._error('Unable to load the data', filename, 'into the projection.')

    # Store the synapses
    self.connector_name = "From File"
    self.connector_description = "From File"
    self._store_connectivity(self._load_from_lil, (lil,), lil.max_delay if lil.uniform_delay > 0 else lil.delay)

    return self