diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/astra/ASTRAProjector.py | 9 | ||||
| -rw-r--r-- | python/astra/CFloat32CustomPython.h | 17 | ||||
| -rw-r--r-- | python/astra/PyIncludes.pxd | 39 | ||||
| -rw-r--r-- | python/astra/PyProjector3DFactory.pxd | 35 | ||||
| -rw-r--r-- | python/astra/PyProjector3DManager.pxd | 39 | ||||
| -rw-r--r-- | python/astra/__init__.py | 2 | ||||
| -rw-r--r-- | python/astra/creators.py | 70 | ||||
| -rw-r--r-- | python/astra/data2d.py | 21 | ||||
| -rw-r--r-- | python/astra/data2d_c.pyx | 21 | ||||
| -rw-r--r-- | python/astra/data3d.py | 33 | ||||
| -rw-r--r-- | python/astra/data3d_c.pyx | 82 | ||||
| -rw-r--r-- | python/astra/log.py | 153 | ||||
| -rw-r--r-- | python/astra/log_c.pyx | 96 | ||||
| -rw-r--r-- | python/astra/projector.py | 30 | ||||
| -rw-r--r-- | python/astra/projector3d.py | 100 | ||||
| -rw-r--r-- | python/astra/projector3d_c.pyx | 119 | ||||
| -rw-r--r-- | python/astra/projector_c.pyx | 17 | ||||
| -rw-r--r-- | python/builder.py | 19 | 
18 files changed, 829 insertions, 73 deletions
| diff --git a/python/astra/ASTRAProjector.py b/python/astra/ASTRAProjector.py index 96acb10..f282618 100644 --- a/python/astra/ASTRAProjector.py +++ b/python/astra/ASTRAProjector.py @@ -70,11 +70,9 @@ class ASTRAProjector2D(object):      :type vol_geom: :class:`dict`      :param proj_type: Projector type, such as ``'line'``, ``'linear'``, ...      :type proj_type: :class:`string` -    :param useCUDA: If ``True``, use CUDA for calculations, when possible. -    :type useCUDA: :class:`bool`      """ -    def __init__(self, proj_geom, vol_geom, proj_type, useCUDA=False): +    def __init__(self, proj_geom, vol_geom, proj_type):          self.vol_geom = vol_geom          self.recSize = vol_geom['GridColCount']          self.angles = proj_geom['ProjectionAngles'] @@ -84,7 +82,6 @@ class ASTRAProjector2D(object):          self.nProj = self.angles.shape[0]          self.proj_geom = proj_geom          self.proj_id = ac.create_projector(proj_type, proj_geom, vol_geom) -        self.useCUDA = useCUDA          self.T = ASTRAProjector2DTranspose(self)      def backProject(self, data): @@ -96,7 +93,7 @@ class ASTRAProjector2D(object):          """          vol_id, vol = ac.create_backprojection( -            data, self.proj_id, useCUDA=self.useCUDA, returnData=True) +            data, self.proj_id, returnData=True)          data2d.delete(vol_id)          return vol @@ -108,7 +105,7 @@ class ASTRAProjector2D(object):          :returns: :class:`numpy.ndarray` -- The forward projection.          """ -        sin_id, sino = ac.create_sino(data, self.proj_id, useCUDA=self.useCUDA, returnData=True) +        sin_id, sino = ac.create_sino(data, self.proj_id, returnData=True)          data2d.delete(sin_id)          return sino diff --git a/python/astra/CFloat32CustomPython.h b/python/astra/CFloat32CustomPython.h new file mode 100644 index 0000000..d8593fc --- /dev/null +++ b/python/astra/CFloat32CustomPython.h @@ -0,0 +1,17 @@ +class CFloat32CustomPython : public astra::CFloat32CustomMemory { +public: +    CFloat32CustomPython(PyObject * arrIn) +    { +        arr = arrIn; +        // Set pointer to numpy data pointer +        m_fPtr = (float *)PyArray_DATA(arr); +        // Increase reference count since ASTRA has a reference +        Py_INCREF(arr); +    } +    virtual ~CFloat32CustomPython() { +        // Decrease reference count since ASTRA object is destroyed +        Py_DECREF(arr); +    } +private: +    PyObject* arr; +};
\ No newline at end of file diff --git a/python/astra/PyIncludes.pxd b/python/astra/PyIncludes.pxd index 434546a..1d8285b 100644 --- a/python/astra/PyIncludes.pxd +++ b/python/astra/PyIncludes.pxd @@ -27,6 +27,8 @@ from libcpp cimport bool  from libcpp.string cimport string  from .PyXMLDocument cimport XMLNode +include "config.pxi" +  cdef extern from "astra/Globals.h" namespace "astra":  	ctypedef float float32  	ctypedef double float64 @@ -61,10 +63,14 @@ cdef extern from "astra/VolumeGeometry2D.h" namespace "astra":  		float32 getWindowMaxY()  		Config* getConfiguration() +cdef extern from "astra/Float32Data2D.h" namespace "astra": +	cdef cppclass CFloat32CustomMemory: +		pass  cdef extern from "astra/Float32VolumeData2D.h" namespace "astra":  	cdef cppclass CFloat32VolumeData2D:  		CFloat32VolumeData2D(CVolumeGeometry2D*) +		CFloat32VolumeData2D(CVolumeGeometry2D*, CFloat32CustomMemory*)  		CVolumeGeometry2D * getGeometry()  		int getWidth()  		int getHeight() @@ -128,6 +134,7 @@ cdef extern from "astra/ParallelProjectionGeometry2D.h" namespace "astra":  cdef extern from "astra/Float32ProjectionData2D.h" namespace "astra":  	cdef cppclass CFloat32ProjectionData2D:  		CFloat32ProjectionData2D(CProjectionGeometry2D*) +		CFloat32ProjectionData2D(CProjectionGeometry2D*, CFloat32CustomMemory*)  		CProjectionGeometry2D * getGeometry()  		void changeGeometry(CProjectionGeometry2D*)  		int getDetectorCount() @@ -150,6 +157,20 @@ cdef extern from "astra/Projector2D.h" namespace "astra":  		CVolumeGeometry2D* getVolumeGeometry()  		CSparseMatrix* getMatrix() +cdef extern from "astra/Projector3D.h" namespace "astra": +	cdef cppclass CProjector3D: +		bool isInitialized() +		CProjectionGeometry3D* getProjectionGeometry() +		CVolumeGeometry3D* getVolumeGeometry() + +IF HAVE_CUDA==True: +	cdef extern from "astra/CudaProjector3D.h" namespace "astra": +		cdef cppclass CCudaProjector3D + +	cdef extern from "astra/CudaProjector2D.h" namespace "astra": +		cdef cppclass CCudaProjector2D + +  cdef extern from "astra/SparseMatrix.h" namespace "astra":  	cdef cppclass CSparseMatrix:  		CSparseMatrix(unsigned int,unsigned int,unsigned long) @@ -180,18 +201,30 @@ cdef extern from "astra/VolumeGeometry3D.h" namespace "astra":  		CVolumeGeometry3D()  		bool initialize(Config)  		Config * getConfiguration() +		int getGridColCount() +		int getGridRowCount() +		int getGridSliceCount()  cdef extern from "astra/ProjectionGeometry3D.h" namespace "astra":  	cdef cppclass CProjectionGeometry3D:  		CProjectionGeometry3D()  		bool initialize(Config)  		Config * getConfiguration() +		int getProjectionCount() +		int getDetectorColCount() +		int getDetectorRowCount()  cdef extern from "astra/Float32VolumeData3DMemory.h" namespace "astra":  	cdef cppclass CFloat32VolumeData3DMemory:  		CFloat32VolumeData3DMemory(CVolumeGeometry3D*) +		CFloat32VolumeData3DMemory(CVolumeGeometry3D*, CFloat32CustomMemory*)  		CVolumeGeometry3D* getGeometry() +		void changeGeometry(CVolumeGeometry3D*) +		int getRowCount() +		int getColCount() +		int getSliceCount() +  cdef extern from "astra/ParallelProjectionGeometry3D.h" namespace "astra": @@ -215,7 +248,13 @@ cdef extern from "astra/Float32ProjectionData3DMemory.h" namespace "astra":  	cdef cppclass CFloat32ProjectionData3DMemory:  		CFloat32ProjectionData3DMemory(CProjectionGeometry3D*)  		CFloat32ProjectionData3DMemory(CConeProjectionGeometry3D*) +		CFloat32ProjectionData3DMemory(CProjectionGeometry3D*, CFloat32CustomMemory*) +		CFloat32ProjectionData3DMemory(CConeProjectionGeometry3D*, CFloat32CustomMemory*)  		CProjectionGeometry3D* getGeometry() +		void changeGeometry(CProjectionGeometry3D*) +		int getDetectorColCount() +		int getDetectorRowCount() +		int getAngleCount()  cdef extern from "astra/Float32Data3D.h" namespace "astra":  	cdef cppclass CFloat32Data3D: diff --git a/python/astra/PyProjector3DFactory.pxd b/python/astra/PyProjector3DFactory.pxd new file mode 100644 index 0000000..bcbce94 --- /dev/null +++ b/python/astra/PyProjector3DFactory.pxd @@ -0,0 +1,35 @@ +#----------------------------------------------------------------------- +#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 libcpp.string cimport string +from libcpp cimport bool +from .PyIncludes cimport * + +cdef extern from "astra/AstraObjectFactory.h" namespace "astra": +    cdef cppclass CProjector3DFactory: +        CProjector3D *create(Config) + +cdef extern from "astra/AstraObjectFactory.h" namespace "astra::CProjector3DFactory": +    cdef CProjector3DFactory* getSingletonPtr() diff --git a/python/astra/PyProjector3DManager.pxd b/python/astra/PyProjector3DManager.pxd new file mode 100644 index 0000000..b1eac6b --- /dev/null +++ b/python/astra/PyProjector3DManager.pxd @@ -0,0 +1,39 @@ +#----------------------------------------------------------------------- +#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 libcpp.string cimport string + +from .PyIncludes cimport * + +cdef extern from "astra/AstraObjectManager.h" namespace "astra": +    cdef cppclass CProjector3DManager: +        string info() +        void clear() +        void remove(int i) +        int store(CProjector3D *) +        CProjector3D * get(int i) + +cdef extern from "astra/AstraObjectManager.h" namespace "astra::CProjector3DManager": +    cdef CProjector3DManager* getSingletonPtr() diff --git a/python/astra/__init__.py b/python/astra/__init__.py index a61aafc..063dc16 100644 --- a/python/astra/__init__.py +++ b/python/astra/__init__.py @@ -33,7 +33,9 @@ from . import astra  from . import data3d  from . import algorithm  from . import projector +from . import projector3d  from . import matrix +from . import log  import os  try: diff --git a/python/astra/creators.py b/python/astra/creators.py index 9aba464..68bc8a2 100644 --- a/python/astra/creators.py +++ b/python/astra/creators.py @@ -30,15 +30,16 @@ import math  from . import data2d  from . import data3d  from . import projector +from . import projector3d  from . import algorithm  def astra_dict(intype):      """Creates a dict to use with the ASTRA Toolbox. -     +      :param intype: Type of the ASTRA object.      :type intype: :class:`string`      :returns: :class:`dict` -- An ASTRA dict of type ``intype``. -     +      """      if intype == 'SIRT_CUDA2':          intype = 'SIRT_CUDA' @@ -255,25 +256,23 @@ This method can be called in a number of ways:              raise Exception('not enough variables: astra_create_proj_geom(parallel3d_vec, det_row_count, det_col_count, V)')          if not args[2].shape[1] == 12:              raise Exception('V should be a Nx12 matrix, with N the number of projections') -        return {'type': 'parallel3d_vec','DetectorRowCount':args[0],'DetectorColCount':args[1],'Vectors':args[2]}     +        return {'type': 'parallel3d_vec','DetectorRowCount':args[0],'DetectorColCount':args[1],'Vectors':args[2]}      elif intype == 'sparse_matrix':          if len(args) < 4:              raise Exception(                  'not enough variables: astra_create_proj_geom(sparse_matrix, det_width, det_count, angles, matrix_id)')          return {'type': 'sparse_matrix', 'DetectorWidth': args[0], 'DetectorCount': args[1], 'ProjectionAngles': args[2], 'MatrixID': args[3]}      else: -        raise Exception('Error: unknown type ' + intype)  +        raise Exception('Error: unknown type ' + intype) -def create_backprojection(data, proj_id, useCUDA=False, returnData=True): +def create_backprojection(data, proj_id, returnData=True):      """Create a backprojection of a sinogram (2D).  :param data: Sinogram data or ID.  :type data: :class:`numpy.ndarray` or :class:`int`  :param proj_id: ID of the projector to use.  :type proj_id: :class:`int` -:param useCUDA: If ``True``, use CUDA for the calculation. -:type useCUDA: :class:`bool`  :param returnData: If False, only return the ID of the backprojection.  :type returnData: :class:`bool`  :returns: :class:`int` or (:class:`int`, :class:`numpy.ndarray`) -- If ``returnData=False``, returns the ID of the backprojection. Otherwise, returns a tuple containing the ID of the backprojection and the backprojection itself, in that order. @@ -287,13 +286,13 @@ def create_backprojection(data, proj_id, useCUDA=False, returnData=True):          sino_id = data      vol_id = data2d.create('-vol', vol_geom, 0) -    algString = 'BP' -    if useCUDA: -        algString = algString + '_CUDA' +    if projector.is_cuda(proj_id): +        algString = 'BP_CUDA' +    else: +        algString = 'BP'      cfg = astra_dict(algString) -    if not useCUDA: -        cfg['ProjectorId'] = proj_id +    cfg['ProjectorId'] = proj_id      cfg['ProjectionDataId'] = sino_id      cfg['ReconstructionDataId'] = vol_id      alg_id = algorithm.create(cfg) @@ -345,20 +344,13 @@ def create_backprojection3d_gpu(data, proj_geom, vol_geom, returnData=True):          return vol_id -def create_sino(data, proj_id=None, proj_geom=None, vol_geom=None, -                useCUDA=False, returnData=True, gpuIndex=None): +def create_sino(data, proj_id, returnData=True, gpuIndex=None):      """Create a forward projection of an image (2D).      :param data: Image data or ID.      :type data: :class:`numpy.ndarray` or :class:`int`      :param proj_id: ID of the projector to use.      :type proj_id: :class:`int` -    :param proj_geom: Projection geometry. -    :type proj_geom: :class:`dict` -    :param vol_geom: Volume geometry. -    :type vol_geom: :class:`dict` -    :param useCUDA: If ``True``, use CUDA for the calculation. -    :type useCUDA: :class:`bool`      :param returnData: If False, only return the ID of the forward projection.      :type returnData: :class:`bool`      :param gpuIndex: Optional GPU index. @@ -369,36 +361,21 @@ def create_sino(data, proj_id=None, proj_geom=None, vol_geom=None,      projection. Otherwise, returns a tuple containing the ID of the      forward projection and the forward projection itself, in that      order. - -    The geometry of setup is defined by ``proj_id`` or with -    ``proj_geom`` and ``vol_geom``. If ``proj_id`` is given, then -    ``proj_geom`` and ``vol_geom`` must be None and vice versa.  """ -    if proj_id is not None: -        proj_geom = projector.projection_geometry(proj_id) -        vol_geom = projector.volume_geometry(proj_id) -    elif proj_geom is not None and vol_geom is not None: -        if not useCUDA: -            # We need more parameters to create projector. -            raise ValueError( -                """A ``proj_id`` is needed when CUDA is not used.""") -    else: -        raise Exception("""The geometry setup is not defined. -        The geometry of setup is defined by ``proj_id`` or with -        ``proj_geom`` and ``vol_geom``. If ``proj_id`` is given, then -        ``proj_geom`` and ``vol_geom`` must be None and vice versa.""") +    proj_geom = projector.projection_geometry(proj_id) +    vol_geom = projector.volume_geometry(proj_id)      if isinstance(data, np.ndarray):          volume_id = data2d.create('-vol', vol_geom, data)      else:          volume_id = data      sino_id = data2d.create('-sino', proj_geom, 0) -    algString = 'FP' -    if useCUDA: -        algString = algString + '_CUDA' +    if projector.is_cuda(proj_id): +        algString = 'FP_CUDA' +    else: +        algString = 'FP'      cfg = astra_dict(algString) -    if not useCUDA: -        cfg['ProjectorId'] = proj_id +    cfg['ProjectorId'] = proj_id      if gpuIndex is not None:          cfg['option'] = {'GPUindex': gpuIndex}      cfg['ProjectionDataId'] = sino_id @@ -496,8 +473,7 @@ def create_reconstruction(rec_type, proj_id, sinogram, iterations=1, use_mask='n      vol_geom = projector.volume_geometry(proj_id)      recon_id = data2d.create('-vol', vol_geom, 0)      cfg = astra_dict(rec_type) -    if not 'CUDA' in rec_type: -        cfg['ProjectorId'] = proj_id +    cfg['ProjectorId'] = proj_id      cfg['ProjectionDataId'] = sino_id      cfg['ReconstructionDataId'] = recon_id      cfg['options'] = {} @@ -560,4 +536,8 @@ def create_projector(proj_type, proj_geom, vol_geom):      cfg = astra_dict(proj_type)      cfg['ProjectionGeometry'] = proj_geom      cfg['VolumeGeometry'] = vol_geom -    return projector.create(cfg) +    types3d = ['linear3d', 'linearcone', 'cuda3d'] +    if proj_type in types3d: +        return projector3d.create(cfg) +    else: +        return projector.create(cfg) diff --git a/python/astra/data2d.py b/python/astra/data2d.py index 8c4be03..f119f05 100644 --- a/python/astra/data2d.py +++ b/python/astra/data2d.py @@ -24,6 +24,7 @@  #  #-----------------------------------------------------------------------  from . import data2d_c as d +import numpy as np  def clear():      """Clear all 2D data objects.""" @@ -52,6 +53,26 @@ def create(datatype, geometry, data=None):      """      return d.create(datatype,geometry,data) +def link(datatype, geometry, data): +    """Link a 2D numpy array with the toolbox. +         +    :param datatype: Data object type, '-vol' or '-sino'. +    :type datatype: :class:`string` +    :param geometry: Volume or projection geometry. +    :type geometry: :class:`dict` +    :param data: Numpy array to link +    :type data: :class:`numpy.ndarray` +    :returns: :class:`int` -- the ID of the constructed object. +     +    """ +    if not isinstance(data,np.ndarray): +        raise ValueError("Input should be a numpy array") +    if not data.dtype==np.float32: +        raise ValueError("Numpy array should be float32") +    if not (data.flags['C_CONTIGUOUS'] and data.flags['ALIGNED']): +        raise ValueError("Numpy array should be C_CONTIGUOUS and ALIGNED") +    return d.create(datatype,geometry,data,True) +  def store(i, data):      """Fill existing 2D object with data. diff --git a/python/astra/data2d_c.pyx b/python/astra/data2d_c.pyx index b9c105e..ac54898 100644 --- a/python/astra/data2d_c.pyx +++ b/python/astra/data2d_c.pyx @@ -49,6 +49,10 @@ from .utils import wrap_from_bytes  cdef CData2DManager * man2d = <CData2DManager * >PyData2DManager.getSingletonPtr() +cdef extern from "CFloat32CustomPython.h": +    cdef cppclass CFloat32CustomPython: +        CFloat32CustomPython(arrIn) +  def clear():      man2d.clear() @@ -61,11 +65,12 @@ def delete(ids):          man2d.remove(ids) -def create(datatype, geometry, data=None): +def create(datatype, geometry, data=None, link=False):      cdef Config *cfg      cdef CVolumeGeometry2D * pGeometry      cdef CProjectionGeometry2D * ppGeometry      cdef CFloat32Data2D * pDataObject2D +    cdef CFloat32CustomMemory * pCustom      if datatype == '-vol':          cfg = utils.dictToConfig(six.b('VolumeGeometry'), geometry)          pGeometry = new CVolumeGeometry2D() @@ -73,7 +78,11 @@ def create(datatype, geometry, data=None):              del cfg              del pGeometry              raise Exception('Geometry class not initialized.') -        pDataObject2D = <CFloat32Data2D * > new CFloat32VolumeData2D(pGeometry) +        if link: +            pCustom = <CFloat32CustomMemory*> new CFloat32CustomPython(data) +            pDataObject2D = <CFloat32Data2D * > new CFloat32VolumeData2D(pGeometry, pCustom) +        else: +            pDataObject2D = <CFloat32Data2D * > new CFloat32VolumeData2D(pGeometry)          del cfg          del pGeometry      elif datatype == '-sino': @@ -91,7 +100,11 @@ def create(datatype, geometry, data=None):              del cfg              del ppGeometry              raise Exception('Geometry class not initialized.') -        pDataObject2D = <CFloat32Data2D * > new CFloat32ProjectionData2D(ppGeometry) +        if link: +            pCustom = <CFloat32CustomMemory*> new CFloat32CustomPython(data) +            pDataObject2D = <CFloat32Data2D * > new CFloat32ProjectionData2D(ppGeometry, pCustom) +        else: +            pDataObject2D = <CFloat32Data2D * > new CFloat32ProjectionData2D(ppGeometry)          del ppGeometry          del cfg      else: @@ -101,7 +114,7 @@ def create(datatype, geometry, data=None):          del pDataObject2D          raise Exception("Couldn't initialize data object.") -    fillDataObject(pDataObject2D, data) +    if not link: fillDataObject(pDataObject2D, data)      return man2d.store(pDataObject2D) diff --git a/python/astra/data3d.py b/python/astra/data3d.py index a2e9201..e5ef6b0 100644 --- a/python/astra/data3d.py +++ b/python/astra/data3d.py @@ -24,6 +24,7 @@  #  #-----------------------------------------------------------------------  from . import data3d_c as d +import numpy as np  def create(datatype,geometry,data=None):      """Create a 3D object. @@ -39,6 +40,27 @@ def create(datatype,geometry,data=None):      """      return d.create(datatype,geometry,data) +def link(datatype, geometry, data): +    """Link a 3D numpy array with the toolbox. +         +    :param datatype: Data object type, '-vol' or '-sino'. +    :type datatype: :class:`string` +    :param geometry: Volume or projection geometry. +    :type geometry: :class:`dict` +    :param data: Numpy array to link +    :type data: :class:`numpy.ndarray` +    :returns: :class:`int` -- the ID of the constructed object. +     +    """ +    if not isinstance(data,np.ndarray): +        raise ValueError("Input should be a numpy array") +    if not data.dtype==np.float32: +        raise ValueError("Numpy array should be float32") +    if not (data.flags['C_CONTIGUOUS'] and data.flags['ALIGNED']): +        raise ValueError("Numpy array should be C_CONTIGUOUS and ALIGNED") +    return d.create(datatype,geometry,data,True) + +  def get(i):      """Get a 3D object. @@ -90,6 +112,17 @@ def get_geometry(i):      """      return d.get_geometry(i) +def change_geometry(i, geometry): +    """Change the geometry of a 3D object. + +    :param i: ID of object. +    :type i: :class:`int` +    :param geometry: Volume or projection geometry. +    :type geometry: :class:`dict` + +    """ +    return d.change_geometry(i, geometry) +  def dimensions(i):      """Get dimensions of a 3D object. diff --git a/python/astra/data3d_c.pyx b/python/astra/data3d_c.pyx index 4b069f7..84472c1 100644 --- a/python/astra/data3d_c.pyx +++ b/python/astra/data3d_c.pyx @@ -50,12 +50,17 @@ cdef CData3DManager * man3d = <CData3DManager * >PyData3DManager.getSingletonPtr  cdef extern from *:      CFloat32Data3DMemory * dynamic_cast_mem "dynamic_cast<astra::CFloat32Data3DMemory*>" (CFloat32Data3D * ) except NULL -def create(datatype,geometry,data=None): +cdef extern from "CFloat32CustomPython.h": +    cdef cppclass CFloat32CustomPython: +        CFloat32CustomPython(arrIn) + +def create(datatype,geometry,data=None, link=False):      cdef Config *cfg      cdef CVolumeGeometry3D * pGeometry      cdef CProjectionGeometry3D * ppGeometry      cdef CFloat32Data3DMemory * pDataObject3D      cdef CConeProjectionGeometry3D* pppGeometry +    cdef CFloat32CustomMemory * pCustom      if datatype == '-vol':          cfg = utils.dictToConfig(six.b('VolumeGeometry'), geometry)          pGeometry = new CVolumeGeometry3D() @@ -63,7 +68,11 @@ def create(datatype,geometry,data=None):              del cfg              del pGeometry              raise Exception('Geometry class not initialized.') -        pDataObject3D = <CFloat32Data3DMemory * > new CFloat32VolumeData3DMemory(pGeometry) +        if link: +            pCustom = <CFloat32CustomMemory*> new CFloat32CustomPython(data) +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32VolumeData3DMemory(pGeometry, pCustom) +        else: +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32VolumeData3DMemory(pGeometry)          del cfg          del pGeometry      elif datatype == '-sino' or datatype == '-proj3d': @@ -84,7 +93,11 @@ def create(datatype,geometry,data=None):              del cfg              del ppGeometry              raise Exception('Geometry class not initialized.') -        pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(ppGeometry) +        if link: +            pCustom = <CFloat32CustomMemory*> new CFloat32CustomPython(data) +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(ppGeometry, pCustom) +        else: +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(ppGeometry)          del ppGeometry          del cfg      elif datatype == "-sinocone": @@ -94,7 +107,11 @@ def create(datatype,geometry,data=None):              del cfg              del pppGeometry              raise Exception('Geometry class not initialized.') -        pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(pppGeometry) +        if link: +            pCustom = <CFloat32CustomMemory*> new CFloat32CustomPython(data) +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(pppGeometry, pCustom) +        else: +            pDataObject3D = <CFloat32Data3DMemory * > new CFloat32ProjectionData3DMemory(pppGeometry)      else:          raise Exception("Invalid datatype.  Please specify '-vol' or '-proj3d'.") @@ -102,7 +119,7 @@ def create(datatype,geometry,data=None):          del pDataObject3D          raise Exception("Couldn't initialize data object.") -    fillDataObject(pDataObject3D, data) +    if not link: fillDataObject(pDataObject3D, data)      pDataObject3D.updateStatistics() @@ -122,6 +139,61 @@ def get_geometry(i):          raise Exception("Not a known data object")      return geom +def change_geometry(i, geom): +    cdef CFloat32Data3DMemory * pDataObject = dynamic_cast_mem(getObject(i)) +    cdef CFloat32ProjectionData3DMemory * pDataObject2 +    cdef CFloat32VolumeData3DMemory * pDataObject3 +    if pDataObject.getType() == THREEPROJECTION: +        pDataObject2 = <CFloat32ProjectionData3DMemory * >pDataObject +        # TODO: Reduce code duplication here +        cfg = utils.dictToConfig(six.b('ProjectionGeometry'), geom) +        tpe = wrap_from_bytes(cfg.self.getAttribute(six.b('type'))) +        if (tpe == "parallel3d"): +            ppGeometry = <CProjectionGeometry3D*> new CParallelProjectionGeometry3D(); +        elif (tpe == "parallel3d_vec"): +            ppGeometry = <CProjectionGeometry3D*> new CParallelVecProjectionGeometry3D(); +        elif (tpe == "cone"): +            ppGeometry = <CProjectionGeometry3D*> new CConeProjectionGeometry3D(); +        elif (tpe == "cone_vec"): +            ppGeometry = <CProjectionGeometry3D*> new CConeVecProjectionGeometry3D(); +        else: +            raise Exception("Invalid geometry type.") +        if not ppGeometry.initialize(cfg[0]): +            del cfg +            del ppGeometry +            raise Exception('Geometry class not initialized.') +        del cfg +        if (ppGeometry.getDetectorColCount() != pDataObject2.getDetectorColCount() or \ +            ppGeometry.getProjectionCount() != pDataObject2.getAngleCount() or \ +            ppGeometry.getDetectorRowCount() != pDataObject2.getDetectorRowCount()): +            del ppGeometry +            raise Exception( +                "The dimensions of the data do not match those specified in the geometry.") +        pDataObject2.changeGeometry(ppGeometry) +        del ppGeometry + +    elif pDataObject.getType() == THREEVOLUME: +        pDataObject3 = <CFloat32VolumeData3DMemory * >pDataObject +        cfg = utils.dictToConfig(six.b('VolumeGeometry'), geom) +        pGeometry = new CVolumeGeometry3D() +        if not pGeometry.initialize(cfg[0]): +            del cfg +            del pGeometry +            raise Exception('Geometry class not initialized.') +        del cfg +        if (pGeometry.getGridColCount() != pDataObject3.getColCount() or \ +            pGeometry.getGridRowCount() != pDataObject3.getRowCount() or \ +            pGeometry.getGridSliceCount() != pDataObject3.getSliceCount()): +            del pGeometry +            raise Exception( +                "The dimensions of the data do not match those specified in the geometry.") +        pDataObject3.changeGeometry(pGeometry) +        del pGeometry + +    else: +        raise Exception("Not a known data object") + +  cdef fillDataObject(CFloat32Data3DMemory * obj, data):      if data is None:          fillDataObjectScalar(obj, 0) diff --git a/python/astra/log.py b/python/astra/log.py new file mode 100644 index 0000000..3ec0df5 --- /dev/null +++ b/python/astra/log.py @@ -0,0 +1,153 @@ +#----------------------------------------------------------------------- +#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 log_c as l + +import inspect + +def debug(message): +    """Log a debug message. +     +    :param message: Message to log. +    :type message: :class:`string` +    """ +    prev_f = inspect.getframeinfo(inspect.currentframe().f_back) +    l.log_debug(prev_f.filename,prev_f.lineno,message) + +def info(message): +    """Log an info message. +     +    :param message: Message to log. +    :type message: :class:`string` +    """ +    prev_f = inspect.getframeinfo(inspect.currentframe().f_back) +    l.log_info(prev_f.filename,prev_f.lineno,message) + +def warn(message): +    """Log a warning message. +     +    :param message: Message to log. +    :type message: :class:`string` +    """ +    prev_f = inspect.getframeinfo(inspect.currentframe().f_back) +    l.log_warn(prev_f.filename,prev_f.lineno,message) + +def error(message): +    """Log an error message. +     +    :param message: Message to log. +    :type message: :class:`string` +    """ +    prev_f = inspect.getframeinfo(inspect.currentframe().f_back) +    l.log_error(prev_f.filename,prev_f.lineno,message) + +def enable(): +    """Enable logging to screen and file.""" +    l.log_enable() + +def enableScreen(): +    """Enable logging to screen.""" +    l.log_enableScreen() + +def enableFile(): +    """Enable logging to file (note that a file has to be set).""" +    l.log_enableFile() + +def disable(): +    """Disable all logging.""" +    l.log_disable() + +def disableScreen(): +    """Disable logging to screen.""" +    l.log_disableScreen() + +def disableFile(): +    """Disable logging to file.""" +    l.log_disableFile() + +def setFormatFile(fmt): +    """Set the format string for log messages.  Here are the substitutions you may use: +     +    %f: Source file name generating the log call. +    %n: Source line number where the log call was made. +    %m: The message text sent to the logger (after printf formatting). +    %d: The current date, formatted using the logger's date format. +    %t: The current time, formatted using the logger's time format. +    %l: The log level (one of "DEBUG", "INFO", "WARN", or "ERROR"). +    %%: A literal percent sign. +     +    The default format string is "%d %t %f(%n): %l: %m\n". +     +    :param fmt: Format to use, end with "\n". +    :type fmt: :class:`string` +    """ +    l.log_setFormatFile(fmt) + +def setFormatScreen(fmt): +    """Set the format string for log messages.  Here are the substitutions you may use: +     +    %f: Source file name generating the log call. +    %n: Source line number where the log call was made. +    %m: The message text sent to the logger (after printf formatting). +    %d: The current date, formatted using the logger's date format. +    %t: The current time, formatted using the logger's time format. +    %l: The log level (one of "DEBUG", "INFO", "WARN", or "ERROR"). +    %%: A literal percent sign. +     +    The default format string is "%d %t %f(%n): %l: %m\n". +     +    :param fmt: Format to use, end with "\n". +    :type fmt: :class:`string` +    """ +    l.log_setFormatScreen(fmt) + +STDOUT=1 +STDERR=2 + +DEBUG=0 +INFO=1 +WARN=2 +ERROR=3 + +def setOutputScreen(fd, level): +    """Set which screen to output to, and which level to use. +     +    :param fd: File descriptor of output screen (STDOUT or STDERR). +    :type fd: :class:`int` +    :param level: Logging level to use (DEBUG, INFO, WARN, or ERROR). +    :type level: :class:`int` +    """ +    l.log_setOutputScreen(fd, level) + +def setOutputFile(filename, level): +    """Set which file to output to, and which level to use. +     +    :param filename: File name of output file. +    :type filename: :class:`string` +    :param level: Logging level to use (DEBUG, INFO, WARN, or ERROR). +    :type level: :class:`int` +    """ +    l.log_setOutputFile(filename, level)
\ No newline at end of file diff --git a/python/astra/log_c.pyx b/python/astra/log_c.pyx new file mode 100644 index 0000000..969cc06 --- /dev/null +++ b/python/astra/log_c.pyx @@ -0,0 +1,96 @@ +#----------------------------------------------------------------------- +#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/>. +# +#----------------------------------------------------------------------- +# distutils: language = c++ +# distutils: libraries = astra + +import six + +cdef extern from "astra/Logging.h" namespace "astra": +    cdef enum log_level: +        LOG_DEBUG +        LOG_INFO +        LOG_WARN +        LOG_ERROR + +cdef extern from "astra/Logging.h" namespace "astra::CLogger": +    void debug(const char *sfile, int sline, const char *fmt, ...) +    void info(const char *sfile, int sline, const char *fmt, ...) +    void warn(const char *sfile, int sline, const char *fmt, ...) +    void error(const char *sfile, int sline, const char *fmt, ...) +    void setOutputScreen(int fd, log_level m_eLevel) +    void setOutputFile(const char *filename, log_level m_eLevel) +    void enable() +    void enableScreen() +    void enableFile() +    void disable() +    void disableScreen() +    void disableFile() +    void setFormatFile(const char *fmt) +    void setFormatScreen(const char *fmt) + +def log_debug(sfile, sline, message): +    debug(six.b(sfile),sline,six.b(message)) + +def log_info(sfile, sline, message): +    info(six.b(sfile),sline,six.b(message)) + +def log_warn(sfile, sline, message): +    warn(six.b(sfile),sline,six.b(message)) + +def log_error(sfile, sline, message): +    error(six.b(sfile),sline,six.b(message)) + +def log_enable(): +    enable() + +def log_enableScreen(): +    enableScreen() + +def log_enableFile(): +    enableFile() + +def log_disable(): +    disable() + +def log_disableScreen(): +    disableScreen() + +def log_disableFile(): +    disableFile() + +def log_setFormatFile(fmt): +    setFormatFile(six.b(fmt)) + +def log_setFormatScreen(fmt): +    setFormatScreen(six.b(fmt)) + +enumList = [LOG_DEBUG,LOG_INFO,LOG_WARN,LOG_ERROR] + +def log_setOutputScreen(fd, level): +    setOutputScreen(fd, enumList[level]) + +def log_setOutputFile(filename, level): +    setOutputFile(six.b(filename), enumList[level])
\ No newline at end of file diff --git a/python/astra/projector.py b/python/astra/projector.py index c916c52..e370e5a 100644 --- a/python/astra/projector.py +++ b/python/astra/projector.py @@ -27,21 +27,21 @@ from . import projector_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) @@ -57,22 +57,22 @@ def 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) @@ -88,13 +88,23 @@ def 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) +  def matrix(i):      """Get sparse matrix of a projector. -     +      :param i: ID of projector.      :type i: :class:`int`      :returns: :class:`int` -- ID of sparse matrix. -     +      """      return p.matrix(i) diff --git a/python/astra/projector3d.py b/python/astra/projector3d.py new file mode 100644 index 0000000..d1086b9 --- /dev/null +++ b/python/astra/projector3d.py @@ -0,0 +1,100 @@ +#----------------------------------------------------------------------- +#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) diff --git a/python/astra/projector3d_c.pyx b/python/astra/projector3d_c.pyx new file mode 100644 index 0000000..8b978d7 --- /dev/null +++ b/python/astra/projector3d_c.pyx @@ -0,0 +1,119 @@ +#----------------------------------------------------------------------- +#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/>. +# +#----------------------------------------------------------------------- +# distutils: language = c++ +# distutils: libraries = astra + +import six +from .PyIncludes cimport * + +cimport utils +from .utils import wrap_from_bytes + +cimport PyProjector3DFactory +from .PyProjector3DFactory cimport CProjector3DFactory + +cimport PyProjector3DManager +from .PyProjector3DManager cimport CProjector3DManager + +cimport PyXMLDocument +from .PyXMLDocument cimport XMLDocument + +cdef CProjector3DManager * manProj = <CProjector3DManager * >PyProjector3DManager.getSingletonPtr() + +include "config.pxi" + +IF HAVE_CUDA: +  cdef extern from *: +      CCudaProjector3D* dynamic_cast_cuda_projector "dynamic_cast<astra::CCudaProjector3D*>" (CProjector3D*) + + +def create(config): +    cdef Config * cfg = utils.dictToConfig(six.b('Projector3D'), config) +    cdef CProjector3D * proj +    proj = PyProjector3DFactory.getSingletonPtr().create(cfg[0]) +    if proj == NULL: +        del cfg +        raise Exception("Error creating Projector3D.") +    del cfg +    return manProj.store(proj) + + +def delete(ids): +    try: +        for i in ids: +            manProj.remove(i) +    except TypeError: +        manProj.remove(ids) + + +def clear(): +    manProj.clear() + + +def info(): +    six.print_(wrap_from_bytes(manProj.info())) + +cdef CProjector3D * getObject(i) except NULL: +    cdef CProjector3D * proj = manProj.get(i) +    if proj == NULL: +        raise Exception("Projector not initialized.") +    if not proj.isInitialized(): +        raise Exception("Projector not initialized.") +    return proj + + +def projection_geometry(i): +    cdef CProjector3D * proj = getObject(i) +    return utils.configToDict(proj.getProjectionGeometry().getConfiguration()) + + +def volume_geometry(i): +    cdef CProjector3D * proj = getObject(i) +    return utils.configToDict(proj.getVolumeGeometry().getConfiguration()) + + +def weights_single_ray(i, projection_index, detector_index): +    raise Exception("Not yet implemented") + + +def weights_projection(i, projection_index): +    raise Exception("Not yet implemented") + + +def splat(i, row, col): +    raise Exception("Not yet implemented") + +def is_cuda(i): +    cdef CProjector3D * proj = getObject(i) +    IF HAVE_CUDA==True: +      cdef CCudaProjector3D * cudaproj = NULL +      cudaproj = dynamic_cast_cuda_projector(proj) +      if cudaproj==NULL: +          return False +      else: +          return True +    ELSE: +        return False diff --git a/python/astra/projector_c.pyx b/python/astra/projector_c.pyx index f91a8dd..9aa868e 100644 --- a/python/astra/projector_c.pyx +++ b/python/astra/projector_c.pyx @@ -47,6 +47,12 @@ from .PyMatrixManager cimport CMatrixManager  cdef CProjector2DManager * manProj = <CProjector2DManager * >PyProjector2DManager.getSingletonPtr()  cdef CMatrixManager * manM = <CMatrixManager * >PyMatrixManager.getSingletonPtr() +include "config.pxi" + +IF HAVE_CUDA: +  cdef extern from *: +      CCudaProjector2D* dynamic_cast_cuda_projector "dynamic_cast<astra::CCudaProjector2D*>" (CProjector2D*) +  def create(config):      cdef Config * cfg = utils.dictToConfig(six.b('Projector2D'), config) @@ -104,6 +110,17 @@ def weights_projection(i, projection_index):  def splat(i, row, col):      raise Exception("Not yet implemented") +def is_cuda(i): +    cdef CProjector2D * proj = getObject(i) +    IF HAVE_CUDA==True: +      cdef CCudaProjector2D * cudaproj = NULL +      cudaproj = dynamic_cast_cuda_projector(proj) +      if cudaproj==NULL: +          return False +      else: +          return True +    ELSE: +        return False  def matrix(i):      cdef CProjector2D * proj = getObject(i) diff --git a/python/builder.py b/python/builder.py index ddca795..cfdb7d1 100644 --- a/python/builder.py +++ b/python/builder.py @@ -41,9 +41,22 @@ try:          usecuda=True  except KeyError:      pass -cfg = open('astra/config.pxi','w') -cfg.write('DEF HAVE_CUDA=' + str(usecuda) + "\n") -cfg.close() + +cfgToWrite = 'DEF HAVE_CUDA=' + str(usecuda) + "\n" +cfgHasToBeUpdated = True +try: +    cfg = open('astra/config.pxi','r') +    cfgIn = cfg.read() +    cfg.close() +    if cfgIn==cfgToWrite: +        cfgHasToBeUpdated = False +except IOError: +    pass + +if cfgHasToBeUpdated: +    cfg = open('astra/config.pxi','w') +    cfg.write(cfgToWrite) +    cfg.close()  cmdclass = { }  ext_modules = [ ] | 
