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# -----------------------------------------------------------------------
# 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
class base(object):
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)
class ReconstructionAlgorithm2D(base):
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)
class ReconstructionAlgorithm3D(base):
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)
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)
def get_registered():
"""Get dictionary of registered plugins.
:returns: :class:`dict` -- Registered plugins.
"""
return p.get_registered()
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)
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