Source code for astra.data2d

#-----------------------------------------------------------------------
#Copyright 2013 Centrum Wiskunde & Informatica, Amsterdam
#
#Author: Daniel M. Pelt
#Contact: D.M.Pelt@cwi.nl
#Website: http://dmpelt.github.io/pyastratoolbox/
#
#
#This file is part of the Python interface to the
#All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
#
#The Python interface to 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 Python interface to 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.
#
#You should have received a copy of the GNU General Public License
#along with the Python interface to the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
#
#-----------------------------------------------------------------------
import data2d_c as d

[docs]def clear(): """Clear all 2D data objects.""" return d.clear()
[docs]def delete(ids): """Delete a 2D object. :param ids: ID or list of ID's to delete. :type ids: :class:`int` or :class:`list` """ return d.delete(ids)
[docs]def create(datatype, geometry, data=None): """Create a 2D object. :param datatype: Data object type, '-vol' or '-sino'. :type datatype: :class:`string` :param geometry: Volume or projection geometry. :type geometry: :class:`dict` :param data: Data to fill the constructed object with, either a scalar or array. :type data: :class:`float` or :class:`numpy.ndarray` :returns: :class:`int` -- the ID of the constructed object. """ return d.create(datatype,geometry,data)
[docs]def store(i, data): """Fill existing 2D object with data. :param i: ID of object to fill. :type i: :class:`int` :param data: Data to fill the object with, either a scalar or array. :type data: :class:`float` or :class:`numpy.ndarray` """ return d.store(i, data)
[docs]def get_geometry(i): """Get the geometry of a 2D object. :param i: ID of object. :type i: :class:`int` :returns: :class:`dict` -- The geometry of object with ID ``i``. """ return d.get_geometry(i)
[docs]def change_geometry(i, geom): """Change the geometry of a 2D object. :param i: ID of object. :type i: :class:`int` :param geom: new geometry. :type geom: :class:`dict` """ return d.change_geometry(i, geom)
[docs]def get(i): """Get a 2D object. :param i: ID of object to get. :type i: :class:`int` :returns: :class:`numpy.ndarray` -- The object data. """ return d.get(i)
[docs]def get_shared(i): """Get a 2D object with memory shared between the ASTRA toolbox and numpy array. :param i: ID of object to get. :type i: :class:`int` :returns: :class:`numpy.ndarray` -- The object data. """ return d.get_shared(i)
[docs]def get_single(i): """Get a 2D object in single precision. :param i: ID of object to get. :type i: :class:`int` :returns: :class:`numpy.ndarray` -- The object data. """ return d.get_single(i)
[docs]def info(): """Print info on 2D objects in memory.""" return d.info()