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authorDaniel M. Pelt <D.M.Pelt@cwi.nl>2015-07-20 15:14:50 +0200
committerWillem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl>2015-07-23 11:57:18 +0200
commite509cd013f691acded3dc0d87732ba5257cb0ae4 (patch)
tree20ee95929c1fd1d6b290480c64be9bc77612d25b
parentd91b51f6d58003de84a9d6dd8189fceba0e81a5a (diff)
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Add ReconstructionAlgorithm2D/3D classes for plugins (matching C++ classes)
-rw-r--r--python/astra/PyIncludes.pxd2
-rw-r--r--python/astra/data2d_c.pyx27
-rw-r--r--python/astra/plugin.py27
3 files changed, 55 insertions, 1 deletions
diff --git a/python/astra/PyIncludes.pxd b/python/astra/PyIncludes.pxd
index 909f58f..a099c31 100644
--- a/python/astra/PyIncludes.pxd
+++ b/python/astra/PyIncludes.pxd
@@ -62,6 +62,7 @@ cdef extern from "astra/VolumeGeometry2D.h" namespace "astra":
float32 getWindowMaxX()
float32 getWindowMaxY()
Config* getConfiguration()
+ bool isEqual(CVolumeGeometry2D*)
cdef extern from "astra/Float32Data2D.h" namespace "astra":
cdef cppclass CFloat32CustomMemory:
@@ -89,6 +90,7 @@ cdef extern from "astra/ProjectionGeometry2D.h" namespace "astra":
float32 getProjectionAngle(int)
float32 getDetectorWidth()
Config* getConfiguration()
+ bool isEqual(CProjectionGeometry2D*)
cdef extern from "astra/Float32Data2D.h" namespace "astra::CFloat32Data2D":
cdef enum TWOEDataType "astra::CFloat32Data2D::EDataType":
diff --git a/python/astra/data2d_c.pyx b/python/astra/data2d_c.pyx
index 4919bf2..801fd8e 100644
--- a/python/astra/data2d_c.pyx
+++ b/python/astra/data2d_c.pyx
@@ -34,6 +34,9 @@ from cython cimport view
cimport PyData2DManager
from .PyData2DManager cimport CData2DManager
+cimport PyProjector2DManager
+from .PyProjector2DManager cimport CProjector2DManager
+
cimport PyXMLDocument
from .PyXMLDocument cimport XMLDocument
@@ -54,6 +57,8 @@ import operator
from six.moves import reduce
cdef CData2DManager * man2d = <CData2DManager * >PyData2DManager.getSingletonPtr()
+cdef CProjector2DManager * manProj = <CProjector2DManager * >PyProjector2DManager.getSingletonPtr()
+
cdef extern from "CFloat32CustomPython.h":
cdef cppclass CFloat32CustomPython:
@@ -164,7 +169,6 @@ def store(i, data):
cdef CFloat32Data2D * pDataObject = getObject(i)
fillDataObject(pDataObject, data)
-
def get_geometry(i):
cdef CFloat32Data2D * pDataObject = getObject(i)
cdef CFloat32ProjectionData2D * pDataObject2
@@ -179,6 +183,27 @@ def get_geometry(i):
raise Exception("Not a known data object")
return geom
+cdef CProjector2D * getProjector(i) except NULL:
+ cdef CProjector2D * proj = manProj.get(i)
+ if proj == NULL:
+ raise Exception("Projector not initialized.")
+ if not proj.isInitialized():
+ raise Exception("Projector not initialized.")
+ return proj
+
+def check_compatible(i, proj_id):
+ cdef CProjector2D * proj = getProjector(proj_id)
+ cdef CFloat32Data2D * pDataObject = getObject(i)
+ cdef CFloat32ProjectionData2D * pDataObject2
+ cdef CFloat32VolumeData2D * pDataObject3
+ if pDataObject.getType() == TWOPROJECTION:
+ pDataObject2 = <CFloat32ProjectionData2D * >pDataObject
+ return pDataObject2.getGeometry().isEqual(proj.getProjectionGeometry())
+ elif pDataObject.getType() == TWOVOLUME:
+ pDataObject3 = <CFloat32VolumeData2D * >pDataObject
+ return pDataObject3.getGeometry().isEqual(proj.getVolumeGeometry())
+ else:
+ raise Exception("Not a known data object")
def change_geometry(i, geom):
cdef Config *cfg
diff --git a/python/astra/plugin.py b/python/astra/plugin.py
index 4b32e6e..11cc5cc 100644
--- a/python/astra/plugin.py
+++ b/python/astra/plugin.py
@@ -26,6 +26,10 @@
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
@@ -65,6 +69,29 @@ class base(object):
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.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.