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Diffstat (limited to 'python/astra/data2d.py')
-rw-r--r-- | python/astra/data2d.py | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/python/astra/data2d.py b/python/astra/data2d.py new file mode 100644 index 0000000..8c4be03 --- /dev/null +++ b/python/astra/data2d.py @@ -0,0 +1,120 @@ +#----------------------------------------------------------------------- +#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/>. +# +#----------------------------------------------------------------------- +from . import data2d_c as d + +def clear(): + """Clear all 2D data objects.""" + return d.clear() + +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) + +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) + +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) + +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) + +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) + +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) + +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) + + +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) + +def info(): + """Print info on 2D objects in memory.""" + return d.info() |