Esempio n. 1
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def get_automorphisms(A):
    IG = ig.Graph.Adjacency(A.tolist())
    return np.transpose(np.array(IG.get_automorphisms_vf2()))
Esempio n. 2
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   def loadFile(self, group, index, *args):
      '''Load configuration from a predefined list of .mat files'''
      
      from Coordinate import Coordinate
      from Window import Window
      from Medium import Medium
      from Signal import Signal
      from System import System
      from Data import Data
      from Array import Array

      from Image import Image
      
      import os
      PHDCODE_ROOT = os.environ['COS_ROOT']
      
      Ni = len(args)
   
      if type(index) == int:
         idx = copy(index)
         index = [idx]
         
      for i in index:
         if Ni > 0:
            origin = fileLUT(group, i, args)
         else:
            origin = fileLUT(group, i)
      
    
      if origin.type == 'ultrasound multi file':  
        
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         #print 'Loading ' + PHDCODE_ROOT + origin.path + origin.info_file
         info_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.info_file)
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         NFrames   = info_file['NFrames'][0,0]
         NElements = info_file['NElements'][0,0]
         angles = info_file['angles']
         ranges = info_file['ranges']
         
         tmp = mat_file['frame%d'%origin.index].shape
         
         Xd = np.zeros((tmp[0], tmp[1], tmp[2]), dtype=np.complex64)
         Xd[:,:,:] = mat_file['frame%d'%i]
         
         s = System()

         s.data = Data()
         s.data.Xd      = Xd
         s.data.angles  = angles
         s.data.ranges  = ranges
         s.data.M = NElements
         s.data.NFrames = NFrames

         return s
         
      elif origin.type == 'ultrasound_simulation':
         
         import tables as tb
         s = System()
         s.data = Data()

         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         
         file = tb.openFile( (PHDCODE_ROOT + origin.path + origin.file), 'r' )
             
         root = file.getNode( file.root )

         s.data.M       = root.frame_1.N_rx.read()
         s.data.angles  = root.frame_1.theta.read()[0]
         s.data.ranges  = root.frame_1.range.read()
                  
         d = root.frame_1.datacube.read().shape
         s.data.Xd = np.zeros((100,d[1],d[2],d[0]),dtype=np.complex64)
         
         for i in range(100):
            tmp = np.transpose(getattr(root, 'frame_%d'%(i+1)).datacube.read(), (1, 2, 0))
            s.data.Xd[i,:,:,:] = tmp
            
         file.close()
         
         return s
         
      else:
         print 'WW DataInput() - No method implemented for '+origin.type
Esempio n. 3
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    def loadFile(self, group, index, *args):
        '''Load configuration from a predefined list of .mat files'''

        from Coordinate import Coordinate
        from Window import Window
        from Medium import Medium
        from Signal import Signal
        from System import System
        from Data import Data
        from Array import Array

        from Image import Image

        import os
        PHDCODE_ROOT = os.environ['COS_ROOT']

        Ni = len(args)

        if type(index) == int:
            idx = copy(index)
            index = [idx]

        for i in index:
            if Ni > 0:
                origin = fileLUT(group, i, args)
            else:
                origin = fileLUT(group, i)

        if origin.type == 'ultrasound multi file':

            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            #print 'Loading ' + PHDCODE_ROOT + origin.path + origin.info_file
            info_file = io.loadmat(PHDCODE_ROOT + origin.path +
                                   origin.info_file)
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            NFrames = info_file['NFrames'][0, 0]
            NElements = info_file['NElements'][0, 0]
            angles = info_file['angles']
            ranges = info_file['ranges']

            tmp = mat_file['frame%d' % origin.index].shape

            Xd = np.zeros((tmp[0], tmp[1], tmp[2]), dtype=np.complex64)
            Xd[:, :, :] = mat_file['frame%d' % i]

            s = System()

            s.data = Data()
            s.data.Xd = Xd
            s.data.angles = angles
            s.data.ranges = ranges
            s.data.M = NElements
            s.data.NFrames = NFrames

            return s

        elif origin.type == 'ultrasound_simulation':

            import tables as tb
            s = System()
            s.data = Data()

            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file

            file = tb.openFile((PHDCODE_ROOT + origin.path + origin.file), 'r')

            root = file.getNode(file.root)

            s.data.M = root.frame_1.N_rx.read()
            s.data.angles = root.frame_1.theta.read()[0]
            s.data.ranges = root.frame_1.range.read()

            d = root.frame_1.datacube.read().shape
            s.data.Xd = np.zeros((100, d[1], d[2], d[0]), dtype=np.complex64)

            for i in range(100):
                tmp = np.transpose(
                    getattr(root, 'frame_%d' % (i + 1)).datacube.read(),
                    (1, 2, 0))
                s.data.Xd[i, :, :, :] = tmp

            file.close()

            return s

        else:
            print 'WW DataInput() - No method implemented for ' + origin.type
Esempio n. 4
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   def loadFile(self, group, index, *args):
      '''Load configuration from a predefined list of .mat files'''
      
      from Coordinate import Coordinate
      from Window import Window
      from Medium import Medium
      from Signal import Signal
      from System import System
      from Data import Data
      from Array import Array

      from Image import Image
      
      import os
      PHDCODE_ROOT = os.environ['COS_ROOT']
      
      Ni = len(args)
   
      if type(index) == int:
         idx = copy(index)
         index = [idx]
         
      for i in index:
         if Ni > 0:
            origin = fileLUT(group, i, args)
         else:
            origin = fileLUT(group, i)
      
      # The dataset 'type' (defined by me) selects the "import method":
      if origin.type == 'hugin_delayed':
         
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

         BF = mat_file['p'][0, 0]['BF'][0, 0]
         
         s = System()
         
         s.data = Data()         
         s.data.Xd = Ndarray(mat_file['dataCube'].transpose((1,0,2)))

         s.data.n = Ndarray(BF['mtaxe_re' ].T)

         s.data.Nt = Ndarray(BF['Nt'].T)
         s.data.fs = 40e3
         s.data.fc = 100e3
         s.data.M  = 32
         s.data.d  = 0.0375
         s.data.c  = 1500
                  
         s.desc = 'HUGIN raw data'
         
         return s
         
      elif origin.type == 'focus_dump_type_A' or origin.type == 'focus_dump_type_B':
            
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         # Load the 'Sonar' dictionary and get rid of empty dimensions:
         Sonar = mat_file['Sonar'][0,0]
         
         s = System()
         
         s.medium = Medium()

         s.medium.c = Ndarray(Sonar['c'][0,0])    # Propagation speed
      
       
#            self.B                = 0                                 # Assume narrowband
         
         # The 'rx_x','rx_y' and 'rx_z' coordinates in the Sonar struct represents
         # the TX elements' location relative to the HUGIN body. We're going to
         # rotate this coordination system around the x-axis such that the
         # y-coordinate is 0 for all elements (22 degrees). 
         
         rx_x = Sonar['rx_x'][:,1]           # RX x-coordinates (HUGIN body)
         rx_y = Sonar['rx_y'][:,1]           # RX y-coordinates (HUGIN body)
         rx_z = Sonar['rx_z'][:,1]           # RX z-coordinates (HUGIN body)
         rx_yz = np.sqrt(rx_y ** 2 + rx_z ** 2)    # RX y-z distance (new z-axis)
         p = Coordinate(x=rx_x, y=None, z=rx_yz)# New RX coordinates [x, axis]
         p.setAxesDesc(template='hugin')
         s.array = Array()
         s.array.p = p
#                             desc='RX coordinates',
#                             shape_desc=('x','axis'))
                 
         s.signal = Signal()
         s.signal.desc = 'upchirp'
         s.signal.fc   = Ndarray(Sonar['fc'][0,0])
         
         
         if origin.type == 'focus_dump_type_A':

            s.data = Data()
            s.data.X = Ndarray(mat_file['mfdata'].T.copy())
            s.data.t = Ndarray(mat_file['mtaxe' ][0])
            
            s.image = Image()
            s.image.xarr = Ndarray(mat_file['xarr'].T.copy())
            s.image.yarr = Ndarray(mat_file['yarr'].T.copy())
            
            
         else:
            
            s.data = Data()
            s.data.X = Ndarray(mat_file['data1'].T.copy())
            s.data.t = Ndarray(Sonar['T_pri'][0,0])

            s.image = Image()
#            s.image.xarr = Ndarray(mat_file['xarr'].T.copy())
#            s.image.yarr = Ndarray(mat_file['yarr'].T.copy())


         return s


      elif origin.type == 'focus_sas_dump_type_A_parameters':
            
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         # Load the 'Sonar' dictionary and get rid of empty dimensions:
         Sonar = mat_file['Sonar'][0,0]
         
         s = System()
         
         s.medium = Medium()
         s.medium.c = Ndarray(Sonar['c'][0,0])    # Propagation speed
      
       
#            self.B                = 0                                 # Assume narrowband
         
         # The 'rx_x','rx_y' and 'rx_z' coordinates in the Sonar struct represents
         # the TX elements' location relative to the HUGIN body. We're going to
         # rotate this coordination system around the x-axis such that the
         # y-coordinate is 0 for all elements (22 degrees). 
         
         rx_x = Sonar['rx_x'][:,1]           # RX x-coordinates (HUGIN body)
         rx_y = Sonar['rx_y'][:,1]           # RX y-coordinates (HUGIN body)
         rx_z = Sonar['rx_z'][:,1]           # RX z-coordinates (HUGIN body)
         rx_yz = np.sqrt(rx_y ** 2 + rx_z ** 2)    # RX y-z distance (new z-axis)
         p = Coordinate(x=rx_x, y=None, z=rx_yz)# New RX coordinates [x, axis]
         p.setAxesDesc(template='hugin')
         s.array = Array()
         s.array.p = p
#                             desc='RX coordinates',
#                             shape_desc=('x','axis'))
                 
         s.signal = Signal()
         s.signal.desc = 'upchirp'
         s.signal.fc   = Ndarray(Sonar['fc'][0,0])
         
         return s
      

      elif origin.type == 'focus_sas_dump_type_A_data':
            
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
        
         s = System()
         
         s.data = Data()
         s.data.X = Ndarray(mat_file['mfdata'].copy())
         s.data.t = Ndarray(mat_file['mtaxe' ][0])
            
         return s

      elif origin.type == 'focus_sss_dump_type_A':
            
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
        
         s = System()
         
#         s.a = Data()
         s.img = Ndarray(mat_file['sss_image'].copy())
            
         s.Nping = 140
         s.Ny    = 4000
         s.Nx    = 15
         
         s.y_lim = [60,160]
         
            
         return s

            
      elif origin.type == 'hisas_sim':

         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

         BF = mat_file['p'][0, 0]['BF'][0, 0]
         
         s = System()
         
         s.medium = Medium()
         s.medium.c = Ndarray(BF['c'][0, 0])     # Propagation speed
         
         s.array = Array()
         s.array.desc = 'ula'
         s.array.M    = Ndarray(BF['n_hydros'][0, 0])  # Number of hydrophones
         s.array.d    = Ndarray(BF['d'       ][0, 0])     # Element distance

         s.data = Data()
         s.data.Xd = Ndarray(mat_file['dataCube']).transpose((1,0,2))
#         Ndarray(,
#                             axes = ['y','x','m'],
#                             desc = 'Delayed and matched filtered data')
#                            desc='Delayed and matched filtered data',
#                            shape_desc = ('y','x','m'),
#                            shape_desc_verbose = ('Range','Azimuth','Channel'))

         s.data.t = Ndarray(BF['mtaxe'].T)
#         Ndarray(,
#                            axes = ['N'],
#                            desc = 'Time axis')
#                            desc = 'Corresponding time',
#                            shape_desc = ('N','1'))

         s.phi_min = mat_file['p'][0,0]['phi_min'][0,0]
         s.phi_max = mat_file['p'][0,0]['phi_max'][0,0]
         s.R_min = mat_file['p'][0,0]['R_min'][0,0]
         s.R_max = mat_file['p'][0,0]['R_max'][0,0]
         
         

         s.signal = Signal()
         s.signal.desc   = 'upchirp'
         s.signal.fc     = Ndarray(BF['fc' ][0, 0])     # Carrier frequency
         
         return s
         
      # Some datasets simply do not fall into a general category. We'll handle these
      # individually...
      elif origin.type == 'barge':
         

         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         # Load the 'Sonar' dictionary and get rid of empty dimensions:
         Sonar = mat_file['Sonar'][0, 0]   # See http://projects.scipy.org/numpy/wiki/ZeroRankArray
         
         s = System()
#         s.medium = Medium()
#         s.medium.c = Sonar['c'][0, 0]   # Propagation speed
#
#         # Format: Sonar[dictionary key][hydrophone coordinates, bank]
#         rx_x = Sonar['rx_x'][:, 1]         # RX x-coordinates bank 2 (HUGIN body)
#         rx_y = Sonar['rx_y'][:, 1]         # RX y-coordinates bank 2 (HUGIN body)
#         rx_z = Sonar['rx_z'][:, 1]         # RX z-coordinates bank 2 (HUGIN body)
#         rx_yz = sqrt(rx_y ** 2 + rx_z ** 2)    # RX y-z distance (new z-axis)
#         p = Coordinate(x=rx_x, y=None, z=rx_yz)# New RX coordinates [x, axis]
##         p = vstack((rx_x, rx_yz)).T   # New RX coordinates [x, axis]
#
#         s.array = Array()
#         s.array.p = p
##         ,
##                             desc='RX coordinates',
##                             shape_desc=('x','axis'))

         s.data = Data()

         s.data.X = Ndarray(mat_file['data1'])
         
         s.signal = Signal()
         s.signal.fc = Ndarray(Sonar['fc'][0,0])
         
         s.medium = Medium()
         s.medium.c = Ndarray(Sonar['c'][0,0])    # Propagation speed
         
         
#         s.signal = Signal()
#         s.signal.fc = Sonar['fc'][0, 0]    # Carrier frequency
#         s.signal.bw = Sonar['bw'][0, 0]
#         s.signal.desc = 'upchirp'# Waveform

         return s
      
      elif origin.type == 'ultrasound multi file':  
        
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         #print 'Loading ' + PHDCODE_ROOT + origin.path + origin.info_file
         info_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.info_file)
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         NFrames   = info_file['NFrames'][0,0]
         NElements = info_file['NElements'][0,0]
         angles = info_file['angles']
         ranges = info_file['ranges']
         
         tmp = mat_file['frame%d'%origin.index].shape
         
         Xd = np.zeros((tmp[0], tmp[1], tmp[2]), dtype=np.complex64)
         Xd[:,:,:] = mat_file['frame%d'%i]
         
         s = System()

         s.data = Data()
         s.data.Xd      = Xd
         s.data.angles  = angles
         s.data.ranges  = ranges
         s.data.M = NElements
         s.data.NFrames = NFrames

         return s
      
      elif origin.type == 'csound':
         
         # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later <   on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)
         
         if origin.index == 1:
         
            beamformedCycle  = mat_file['beamformedcycle'][0,0]
            #beamformedFrames = beamformedCycle[0]
            beamformedCubes = beamformedCycle[1]
                    
            NFrames   = beamformedCycle[2]
            NFrames   = NFrames[0, 0]
            NElements = beamformedCycle[3]
            NElements = NElements[0, 0]
            
            params = beamformedCycle[4]
            del beamformedCycle
            params = params[0, 0] 
            
            #delays = params[0]
            angles = params[1]*np.pi/180
            ranges = params[2]
            #phaseFactor = params[3]
            
            del params
            
            tmp = beamformedCubes[0,0].shape
            Xd = np.zeros((NFrames,tmp[0],tmp[1],tmp[2]),dtype=np.complex64)
            
            for i in range(NFrames):
               Xd[i,:,:,:] = beamformedCubes[i,0][:,:,:]
               
         elif origin.index == 2 or origin.index == 3:
            
            if origin.index == 2:
               NFrames = 10
            else:
               NFrames = 60
         
            NElements = mat_file['NElements'][0,0]
            angles = mat_file['angles']
            ranges = mat_file['ranges'].T
            
            tmp = mat_file['frame%d'%1].shape
            
            Xd = np.zeros((NFrames, tmp[0], tmp[2], tmp[1]), dtype=np.complex64)
            
            for i in range(NFrames):
               Xd[i,:,:,:] = np.transpose(mat_file['frame%d'%(i+1)], (0, 2, 1))
         
         else:
            pass
#         
         s = System()

         s.data = Data()
         s.data.Xd      = Xd
         s.data.angles  = angles
         s.data.ranges  = ranges
         s.data.M = NElements

         return s
         
      elif origin.type == 'ultrasound_simulation':
         
         import tables as tb
         s = System()
         s.data = Data()
                  # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
         # in the array are dictionaries (the data is treated later on..). 
         print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
         
         file = tb.openFile( (PHDCODE_ROOT + origin.path + origin.file), 'r' )
             
         root = file.getNode( file.root )

#         s.data.fc = root.frame_1.fc.read()
#         s.data.c  = root.frame_1.c.read()
         s.data.M       = root.frame_1.N_rx.read()
         s.data.angles  = root.frame_1.theta.read()[0] # Only first row makes sence to me :p 
         s.data.ranges  = root.frame_1.range.read()
                  
         d = root.frame_1.datacube.read().shape
         s.data.Xd = np.zeros((100,d[1],d[2],d[0]),dtype=np.complex64)
         
         for i in range(100):
            tmp = np.transpose(getattr(root, 'frame_%d'%(i+1)).datacube.read(), (1, 2, 0))
            s.data.Xd[i,:,:,:] = tmp
            
         file.close()
         
         return s
         
      else:
         print 'WW DataInput() - No method implemented for '+origin.type
Esempio n. 5
0
    def loadFile(self, group, index, *args):
        '''Load configuration from a predefined list of .mat files'''

        from Coordinate import Coordinate
        from Window import Window
        from Medium import Medium
        from Signal import Signal
        from System import System
        from Data import Data
        from Array import Array

        from Image import Image

        import os
        PHDCODE_ROOT = os.environ['COS_ROOT']

        Ni = len(args)

        if type(index) == int:
            idx = copy(index)
            index = [idx]

        for i in index:
            if Ni > 0:
                origin = fileLUT(group, i, args)
            else:
                origin = fileLUT(group, i)

        # The dataset 'type' (defined by me) selects the "import method":
        if origin.type == 'hugin_delayed':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            BF = mat_file['p'][0, 0]['BF'][0, 0]

            s = System()

            s.data = Data()
            s.data.Xd = Ndarray(mat_file['dataCube'].transpose((1, 0, 2)))

            s.data.n = Ndarray(BF['mtaxe_re'].T)

            s.data.Nt = Ndarray(BF['Nt'].T)
            s.data.fs = 40e3
            s.data.fc = 100e3
            s.data.M = 32
            s.data.d = 0.0375
            s.data.c = 1500

            s.desc = 'HUGIN raw data'

            return s

        elif origin.type == 'focus_dump_type_A' or origin.type == 'focus_dump_type_B':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            # Load the 'Sonar' dictionary and get rid of empty dimensions:
            Sonar = mat_file['Sonar'][0, 0]

            s = System()

            s.medium = Medium()

            s.medium.c = Ndarray(Sonar['c'][0, 0])  # Propagation speed

            #            self.B                = 0                                 # Assume narrowband

            # The 'rx_x','rx_y' and 'rx_z' coordinates in the Sonar struct represents
            # the TX elements' location relative to the HUGIN body. We're going to
            # rotate this coordination system around the x-axis such that the
            # y-coordinate is 0 for all elements (22 degrees).

            rx_x = Sonar['rx_x'][:, 1]  # RX x-coordinates (HUGIN body)
            rx_y = Sonar['rx_y'][:, 1]  # RX y-coordinates (HUGIN body)
            rx_z = Sonar['rx_z'][:, 1]  # RX z-coordinates (HUGIN body)
            rx_yz = np.sqrt(rx_y**2 + rx_z**2)  # RX y-z distance (new z-axis)
            p = Coordinate(x=rx_x, y=None,
                           z=rx_yz)  # New RX coordinates [x, axis]
            p.setAxesDesc(template='hugin')
            s.array = Array()
            s.array.p = p
            #                             desc='RX coordinates',
            #                             shape_desc=('x','axis'))

            s.signal = Signal()
            s.signal.desc = 'upchirp'
            s.signal.fc = Ndarray(Sonar['fc'][0, 0])

            if origin.type == 'focus_dump_type_A':

                s.data = Data()
                s.data.X = Ndarray(mat_file['mfdata'].T.copy())
                s.data.t = Ndarray(mat_file['mtaxe'][0])

                s.image = Image()
                s.image.xarr = Ndarray(mat_file['xarr'].T.copy())
                s.image.yarr = Ndarray(mat_file['yarr'].T.copy())

            else:

                s.data = Data()
                s.data.X = Ndarray(mat_file['data1'].T.copy())
                s.data.t = Ndarray(Sonar['T_pri'][0, 0])

                s.image = Image()
#            s.image.xarr = Ndarray(mat_file['xarr'].T.copy())
#            s.image.yarr = Ndarray(mat_file['yarr'].T.copy())

            return s

        elif origin.type == 'focus_sas_dump_type_A_parameters':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            # Load the 'Sonar' dictionary and get rid of empty dimensions:
            Sonar = mat_file['Sonar'][0, 0]

            s = System()

            s.medium = Medium()
            s.medium.c = Ndarray(Sonar['c'][0, 0])  # Propagation speed

            #            self.B                = 0                                 # Assume narrowband

            # The 'rx_x','rx_y' and 'rx_z' coordinates in the Sonar struct represents
            # the TX elements' location relative to the HUGIN body. We're going to
            # rotate this coordination system around the x-axis such that the
            # y-coordinate is 0 for all elements (22 degrees).

            rx_x = Sonar['rx_x'][:, 1]  # RX x-coordinates (HUGIN body)
            rx_y = Sonar['rx_y'][:, 1]  # RX y-coordinates (HUGIN body)
            rx_z = Sonar['rx_z'][:, 1]  # RX z-coordinates (HUGIN body)
            rx_yz = np.sqrt(rx_y**2 + rx_z**2)  # RX y-z distance (new z-axis)
            p = Coordinate(x=rx_x, y=None,
                           z=rx_yz)  # New RX coordinates [x, axis]
            p.setAxesDesc(template='hugin')
            s.array = Array()
            s.array.p = p
            #                             desc='RX coordinates',
            #                             shape_desc=('x','axis'))

            s.signal = Signal()
            s.signal.desc = 'upchirp'
            s.signal.fc = Ndarray(Sonar['fc'][0, 0])

            return s

        elif origin.type == 'focus_sas_dump_type_A_data':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            s = System()

            s.data = Data()
            s.data.X = Ndarray(mat_file['mfdata'].copy())
            s.data.t = Ndarray(mat_file['mtaxe'][0])

            return s

        elif origin.type == 'focus_sss_dump_type_A':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            s = System()

            #         s.a = Data()
            s.img = Ndarray(mat_file['sss_image'].copy())

            s.Nping = 140
            s.Ny = 4000
            s.Nx = 15

            s.y_lim = [60, 160]

            return s

        elif origin.type == 'hisas_sim':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            BF = mat_file['p'][0, 0]['BF'][0, 0]

            s = System()

            s.medium = Medium()
            s.medium.c = Ndarray(BF['c'][0, 0])  # Propagation speed

            s.array = Array()
            s.array.desc = 'ula'
            s.array.M = Ndarray(BF['n_hydros'][0, 0])  # Number of hydrophones
            s.array.d = Ndarray(BF['d'][0, 0])  # Element distance

            s.data = Data()
            s.data.Xd = Ndarray(mat_file['dataCube']).transpose((1, 0, 2))
            #         Ndarray(,
            #                             axes = ['y','x','m'],
            #                             desc = 'Delayed and matched filtered data')
            #                            desc='Delayed and matched filtered data',
            #                            shape_desc = ('y','x','m'),
            #                            shape_desc_verbose = ('Range','Azimuth','Channel'))

            s.data.t = Ndarray(BF['mtaxe'].T)
            #         Ndarray(,
            #                            axes = ['N'],
            #                            desc = 'Time axis')
            #                            desc = 'Corresponding time',
            #                            shape_desc = ('N','1'))

            s.phi_min = mat_file['p'][0, 0]['phi_min'][0, 0]
            s.phi_max = mat_file['p'][0, 0]['phi_max'][0, 0]
            s.R_min = mat_file['p'][0, 0]['R_min'][0, 0]
            s.R_max = mat_file['p'][0, 0]['R_max'][0, 0]

            s.signal = Signal()
            s.signal.desc = 'upchirp'
            s.signal.fc = Ndarray(BF['fc'][0, 0])  # Carrier frequency

            return s

        # Some datasets simply do not fall into a general category. We'll handle these
        # individually...
        elif origin.type == 'barge':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            # Load the 'Sonar' dictionary and get rid of empty dimensions:
            Sonar = mat_file['Sonar'][
                0, 0]  # See http://projects.scipy.org/numpy/wiki/ZeroRankArray

            s = System()
            #         s.medium = Medium()
            #         s.medium.c = Sonar['c'][0, 0]   # Propagation speed
            #
            #         # Format: Sonar[dictionary key][hydrophone coordinates, bank]
            #         rx_x = Sonar['rx_x'][:, 1]         # RX x-coordinates bank 2 (HUGIN body)
            #         rx_y = Sonar['rx_y'][:, 1]         # RX y-coordinates bank 2 (HUGIN body)
            #         rx_z = Sonar['rx_z'][:, 1]         # RX z-coordinates bank 2 (HUGIN body)
            #         rx_yz = sqrt(rx_y ** 2 + rx_z ** 2)    # RX y-z distance (new z-axis)
            #         p = Coordinate(x=rx_x, y=None, z=rx_yz)# New RX coordinates [x, axis]
            ##         p = vstack((rx_x, rx_yz)).T   # New RX coordinates [x, axis]
            #
            #         s.array = Array()
            #         s.array.p = p
            ##         ,
            ##                             desc='RX coordinates',
            ##                             shape_desc=('x','axis'))

            s.data = Data()

            s.data.X = Ndarray(mat_file['data1'])

            s.signal = Signal()
            s.signal.fc = Ndarray(Sonar['fc'][0, 0])

            s.medium = Medium()
            s.medium.c = Ndarray(Sonar['c'][0, 0])  # Propagation speed

            #         s.signal = Signal()
            #         s.signal.fc = Sonar['fc'][0, 0]    # Carrier frequency
            #         s.signal.bw = Sonar['bw'][0, 0]
            #         s.signal.desc = 'upchirp'# Waveform

            return s

        elif origin.type == 'ultrasound multi file':

            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            #print 'Loading ' + PHDCODE_ROOT + origin.path + origin.info_file
            info_file = io.loadmat(PHDCODE_ROOT + origin.path +
                                   origin.info_file)
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            NFrames = info_file['NFrames'][0, 0]
            NElements = info_file['NElements'][0, 0]
            angles = info_file['angles']
            ranges = info_file['ranges']

            tmp = mat_file['frame%d' % origin.index].shape

            Xd = np.zeros((tmp[0], tmp[1], tmp[2]), dtype=np.complex64)
            Xd[:, :, :] = mat_file['frame%d' % i]

            s = System()

            s.data = Data()
            s.data.Xd = Xd
            s.data.angles = angles
            s.data.ranges = ranges
            s.data.M = NElements
            s.data.NFrames = NFrames

            return s

        elif origin.type == 'csound':

            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later <   on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file
            mat_file = io.loadmat(PHDCODE_ROOT + origin.path + origin.file)

            if origin.index == 1:

                beamformedCycle = mat_file['beamformedcycle'][0, 0]
                #beamformedFrames = beamformedCycle[0]
                beamformedCubes = beamformedCycle[1]

                NFrames = beamformedCycle[2]
                NFrames = NFrames[0, 0]
                NElements = beamformedCycle[3]
                NElements = NElements[0, 0]

                params = beamformedCycle[4]
                del beamformedCycle
                params = params[0, 0]

                #delays = params[0]
                angles = params[1] * np.pi / 180
                ranges = params[2]
                #phaseFactor = params[3]

                del params

                tmp = beamformedCubes[0, 0].shape
                Xd = np.zeros((NFrames, tmp[0], tmp[1], tmp[2]),
                              dtype=np.complex64)

                for i in range(NFrames):
                    Xd[i, :, :, :] = beamformedCubes[i, 0][:, :, :]

            elif origin.index == 2 or origin.index == 3:

                if origin.index == 2:
                    NFrames = 10
                else:
                    NFrames = 60

                NElements = mat_file['NElements'][0, 0]
                angles = mat_file['angles']
                ranges = mat_file['ranges'].T

                tmp = mat_file['frame%d' % 1].shape

                Xd = np.zeros((NFrames, tmp[0], tmp[2], tmp[1]),
                              dtype=np.complex64)

                for i in range(NFrames):
                    Xd[i, :, :, :] = np.transpose(
                        mat_file['frame%d' % (i + 1)], (0, 2, 1))

            else:
                pass
#
            s = System()

            s.data = Data()
            s.data.Xd = Xd
            s.data.angles = angles
            s.data.ranges = ranges
            s.data.M = NElements

            return s

        elif origin.type == 'ultrasound_simulation':

            import tables as tb
            s = System()
            s.data = Data()
            # Using scipy.io.loadmat() to load .mat files. The result is a nparray, where structures
            # in the array are dictionaries (the data is treated later on..).
            print 'Loading ' + PHDCODE_ROOT + origin.path + origin.file

            file = tb.openFile((PHDCODE_ROOT + origin.path + origin.file), 'r')

            root = file.getNode(file.root)

            #         s.data.fc = root.frame_1.fc.read()
            #         s.data.c  = root.frame_1.c.read()
            s.data.M = root.frame_1.N_rx.read()
            s.data.angles = root.frame_1.theta.read()[
                0]  # Only first row makes sence to me :p
            s.data.ranges = root.frame_1.range.read()

            d = root.frame_1.datacube.read().shape
            s.data.Xd = np.zeros((100, d[1], d[2], d[0]), dtype=np.complex64)

            for i in range(100):
                tmp = np.transpose(
                    getattr(root, 'frame_%d' % (i + 1)).datacube.read(),
                    (1, 2, 0))
                s.data.Xd[i, :, :, :] = tmp

            file.close()

            return s

        else:
            print 'WW DataInput() - No method implemented for ' + origin.type