Source code for astra.projector

# -----------------------------------------------------------------------
# Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
#            2013-2016, CWI, Amsterdam
#
# Contact: astra@uantwerpen.be
# Website: http://www.astra-toolbox.com/
#
# This file is part of the ASTRA Toolbox.
#
#
# The ASTRA Toolbox 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.
#
# The ASTRA Toolbox 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.
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# You should have received a copy of the GNU General Public License
# along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------

from . import projector_c as p

[docs]def create(config): """Create projector object. :param config: Projector options. :type config: :class:`dict` :returns: :class:`int` -- the ID of the constructed object. """ return p.create(config)
[docs]def delete(ids): """Delete a projector object. :param ids: ID or list of ID's to delete. :type ids: :class:`int` or :class:`list` """ return p.delete(ids)
[docs]def clear(): """Clear all projector objects.""" return p.clear()
[docs]def info(): """Print info on projector objects in memory.""" return p.info()
[docs]def projection_geometry(i): """Get projection geometry of a projector. :param i: ID of projector. :type i: :class:`int` :returns: :class:`dict` -- projection geometry """ return p.projection_geometry(i)
[docs]def volume_geometry(i): """Get volume geometry of a projector. :param i: ID of projector. :type i: :class:`int` :returns: :class:`dict` -- volume geometry """ return p.volume_geometry(i)
[docs]def weights_single_ray(i, projection_index, detector_index): return p.weights_single_ray(i, projection_index, detector_index)
[docs]def weights_projection(i, projection_index): return p.weights_projection(i, projection_index)
[docs]def splat(i, row, col): return p.splat(i, row, col)
[docs]def is_cuda(i): """Check whether a projector is a CUDA projector. :param i: ID of projector. :type i: :class:`int` :returns: :class:`bool` -- True if the projector is a CUDA projector. """ return p.is_cuda(i)
[docs]def matrix(i): """Get sparse matrix of a projector. :param i: ID of projector. :type i: :class:`int` :returns: :class:`int` -- ID of sparse matrix. """ return p.matrix(i)