Merge pull request #28 from dmpelt/projector3d-python

Add projector3d and CUDA projectors to Python (to match new Matlab code)

1 files changed, 100 insertions, 0 deletions

diff --git a/python/astra/projector3d.py b/python/astra/projector3d.py
new file mode 100644
index 0000000..d1086b9
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+++ b/python/astra/projector3d.py
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+#-----------------------------------------------------------------------
+#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 projector3d_c as p
+
+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)
+
+
+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)
+
+
+def clear():
+    """Clear all projector objects."""
+    return p.clear()
+
+
+def info():
+    """Print info on projector objects in memory."""
+    return p.info()
+
+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)
+
+
+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)
+
+
+def weights_single_ray(i, projection_index, detector_index):
+    return p.weights_single_ray(i, projection_index, detector_index)
+
+
+def weights_projection(i, projection_index):
+    return p.weights_projection(i, projection_index)
+
+
+def splat(i, row, col):
+    return p.splat(i, row, col)
+
+
+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)