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# -----------------------------------------------------------------------
# Copyright: 2010-2021, imec Vision Lab, University of Antwerp
# 2013-2021, CWI, Amsterdam
#
# Contact: astra@astra-toolbox.com
# 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/>.
#
# -----------------------------------------------------------------------
#
# distutils: language = c++
# distutils: libraries = astra
import six
from .PyIncludes cimport *
cimport PyAlgorithmManager
from .PyAlgorithmManager cimport CAlgorithmManager
cimport PyAlgorithmFactory
from .PyAlgorithmFactory cimport CAlgorithmFactory
cimport PyXMLDocument
from .PyXMLDocument cimport XMLDocument
cimport utils
from .utils import wrap_from_bytes
cdef CAlgorithmManager * manAlg = <CAlgorithmManager * >PyAlgorithmManager.getSingletonPtr()
cdef extern from *:
CReconstructionAlgorithm2D * dynamic_cast_recAlg2D "dynamic_cast<astra::CReconstructionAlgorithm2D*>" (CAlgorithm * )
CReconstructionAlgorithm3D * dynamic_cast_recAlg3D "dynamic_cast<astra::CReconstructionAlgorithm3D*>" (CAlgorithm * )
cdef extern from "src/PythonPluginAlgorithm.h" namespace "astra":
cdef cppclass CPluginAlgorithm:
object getInstance()
cdef extern from *:
CPluginAlgorithm * dynamic_cast_PluginAlg "dynamic_cast<astra::CPluginAlgorithm*>" (CAlgorithm * )
def create(config):
cdef Config * cfg = utils.dictToConfig(six.b('Algorithm'), config)
cdef CAlgorithm * alg
alg = PyAlgorithmFactory.getSingletonPtr().create(cfg.self.getAttribute(six.b('type')))
if alg == NULL:
del cfg
raise Exception("Unknown Algorithm.")
if not alg.initialize(cfg[0]):
del cfg
del alg
raise Exception("Unable to initialize Algorithm.")
del cfg
return manAlg.store(alg)
cdef CAlgorithm * getAlg(i) except NULL:
cdef CAlgorithm * alg = manAlg.get(i)
if alg == NULL:
raise Exception("Unknown algorithm.")
if not alg.isInitialized():
raise Exception("Algorithm not initialized.")
return alg
def run(i, iterations=0):
cdef CAlgorithm * alg = getAlg(i)
cdef int its = iterations
with nogil:
alg.run(its)
def get_res_norm(i):
cdef CReconstructionAlgorithm2D * pAlg2D
cdef CReconstructionAlgorithm3D * pAlg3D
cdef CAlgorithm * alg = getAlg(i)
cdef float32 res = 0.0
pAlg2D = dynamic_cast_recAlg2D(alg)
pAlg3D = dynamic_cast_recAlg3D(alg)
if pAlg2D != NULL:
if not pAlg2D.getResidualNorm(res):
raise Exception("Operation not supported.")
elif pAlg3D != NULL:
if not pAlg3D.getResidualNorm(res):
raise Exception("Operation not supported.")
else:
raise Exception("Operation not supported.")
return res
def delete(ids):
try:
for i in ids:
manAlg.remove(i)
except TypeError:
manAlg.remove(ids)
def get_plugin_object(algorithm_id):
cdef CAlgorithm *alg
cdef CPluginAlgorithm *pluginAlg
alg = getAlg(algorithm_id)
pluginAlg = dynamic_cast_PluginAlg(alg)
if not pluginAlg:
raise Exception("Not a plugin algorithm")
return pluginAlg.getInstance()
def clear():
manAlg.clear()
def info():
six.print_(wrap_from_bytes(manAlg.info()))
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