Source code for astra.plugin

# -----------------------------------------------------------------------
# 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.
#
# 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 plugin_c as p
from . import log
from . import data2d
from . import data2d_c
from . import data3d
from . import projector
import inspect
import traceback

[docs]class base(object):
[docs] def astra_init(self, cfg): args, varargs, varkw, defaults = inspect.getargspec(self.initialize) if not defaults is None: nopt = len(defaults) else: nopt = 0 if nopt>0: req = args[2:-nopt] opt = args[-nopt:] else: req = args[2:] opt = [] try: optDict = cfg['options'] except KeyError: optDict = {} cfgKeys = set(optDict.keys()) reqKeys = set(req) optKeys = set(opt) if not reqKeys.issubset(cfgKeys): for key in reqKeys.difference(cfgKeys): log.error("Required option '" + key + "' for plugin '" + self.__class__.__name__ + "' not specified") raise ValueError("Missing required options") if not cfgKeys.issubset(reqKeys | optKeys): log.warn(self.__class__.__name__ + ": unused configuration option: " + str(list(cfgKeys.difference(reqKeys | optKeys)))) args = [optDict[k] for k in req] kwargs = dict((k,optDict[k]) for k in opt if k in optDict) self.initialize(cfg, *args, **kwargs)
[docs]class ReconstructionAlgorithm2D(base):
[docs] def astra_init(self, cfg): self.pid = cfg['ProjectorId'] self.s = data2d.get_shared(cfg['ProjectionDataId']) self.v = data2d.get_shared(cfg['ReconstructionDataId']) self.vg = projector.volume_geometry(self.pid) self.pg = projector.projection_geometry(self.pid) if not data2d_c.check_compatible(cfg['ProjectionDataId'], self.pid): raise ValueError("Projection data and projector not compatible") if not data2d_c.check_compatible(cfg['ReconstructionDataId'], self.pid): raise ValueError("Reconstruction data and projector not compatible") super(ReconstructionAlgorithm2D,self).astra_init(cfg)
[docs]class ReconstructionAlgorithm3D(base):
[docs] def astra_init(self, cfg): self.pid = cfg['ProjectorId'] self.s = data3d.get_shared(cfg['ProjectionDataId']) self.v = data3d.get_shared(cfg['ReconstructionDataId']) self.vg = data3d.get_geometry(cfg['ReconstructionDataId']) self.pg = data3d.get_geometry(cfg['ProjectionDataId']) super(ReconstructionAlgorithm3D,self).astra_init(cfg)
[docs]def register(className): """Register plugin with ASTRA. :param className: Class name or class object to register :type className: :class:`str` or :class:`class` """ p.register(className)
[docs]def get_registered(): """Get dictionary of registered plugins. :returns: :class:`dict` -- Registered plugins. """ return p.get_registered()
[docs]def get_help(name): """Get help for registered plugin. :param name: Plugin name to get help for :type name: :class:`str` :returns: :class:`str` -- Help string (docstring). """ return p.get_help(name)