Exemple #1
0
    def create_W_pics(self,
                      it=None,
                      comm=MPI.COMM_WORLD,
                      out_path=None,
                      comp_rate=1,
                      filenames=[]):
        """ Creates sequence of images from W.

        Requires None or list. If *it*=None creates pictures of all GF 
        saved at folder *.../h5file* (-.h5). If *it*=list checks for lenght. 
        Lenght == 1 : saves this iteration number. If length == 2, first < 
        second, saves pictures in this interval. *comp_rate*, integer that allows
        to plot ONLY each comp_rate*i (i integer) field.

        """
        if 'W' in self.variables:
            W = self.h5file.root.W[:]
            num_W, H, D = W.shape
            D2 = np.int(np.sqrt(D))
            if D2**2 != D:  #We correct for channel splitting
                D2 = np.int(np.sqrt(D // 2))
                D = D2**2
                temp_W = W.reshape(num_W, H, 2 * D2, D2)
                W = (temp_W[:, :, 0:D2, :] -
                     temp_W[:, :, D2:2 * D2, :]).reshape(num_W, H, D)
                del temp_W

        if it == None:
            iter_list = xrange(num_W)  #Print_all case
            #In all the rest of the cases it should be a list
        elif it.__class__ != [].__class__:
            raise TypeError("Input should be a list")
        else:  #Print a specific number
            if len(it) == 1: iter_list = it
            elif len(it) == 2:
                if it[0] >= it[1]:
                    print '\n\n OK, nothing will be printed \n\n'
                iter_list = xrange(it[0], it[1])
            else:
                raise ValueError("list should contain 1 or 2 elements!")

        if out_path == None: out_dir = self.h5file.filename[0:-3]
        else: out_dir = out_path
        if comm.rank == 0:
            mkdir(out_dir)  #The path is only generated at processor 0

        fields = range(0, H, comp_rate)

        if len(iter_list) != len(filenames):
            for indW in iter_list:
                save_path = out_dir + '/W_' + iter_to_str(indW + 1,
                                                          num_W) + '.png'
                self.create_W_pic(W[indW, :, :], save_path, fields)
        else:
            num_order = 0
            for indW in iter_list:
                save_path = out_dir + filenames[num_order]
                self.create_W_pic(W[indW, :, :], save_path, fields)
                num_order += 1
Exemple #2
0
    def create_W_pics(self, it=None, comm=MPI.COMM_WORLD, out_path=None, comp_rate=1, filenames=[]):
        """ Creates sequence of images from W.

        Requires None or list. If *it*=None creates pictures of all GF 
        saved at folder *.../h5file* (-.h5). If *it*=list checks for lenght. 
        Lenght == 1 : saves this iteration number. If length == 2, first < 
        second, saves pictures in this interval. *comp_rate*, integer that allows
        to plot ONLY each comp_rate*i (i integer) field.

        """
        if 'W' in self.variables:
            W = self.h5file.root.W[:]
            num_W, H, D = W.shape
            D2 = np.int(np.sqrt(D)) 
            if D2**2 != D: #We correct for channel splitting
                D2 = np.int(np.sqrt(D//2))
                D = D2**2
                temp_W = W.reshape(num_W, H, 2*D2, D2)
                W = (temp_W[:, :, 0:D2, :] - temp_W[:, :, D2:2*D2, :]).reshape(num_W, H, D)
                del temp_W

        if it == None: iter_list = xrange(num_W) #Print_all case
        #In all the rest of the cases it should be a list
        elif it.__class__ != [].__class__: raise TypeError("Input should be a list")
        else: #Print a specific number           
            if len(it) == 1: iter_list = it
            elif len(it) == 2:
                if it[0] >= it[1]: print '\n\n OK, nothing will be printed \n\n'
                iter_list = xrange(it[0], it[1])
            else: raise ValueError("list should contain 1 or 2 elements!")

        if out_path == None: out_dir = self.h5file.filename[0:-3]
        else: out_dir = out_path
        if comm.rank == 0: mkdir(out_dir)  #The path is only generated at processor 0

        fields = range(0, H, comp_rate)

        if len(iter_list) != len(filenames):
            for indW in iter_list:
                save_path = out_dir + '/W_' + iter_to_str(indW+1, num_W) + '.png'
                self.create_W_pic(W[indW, :,:], save_path, fields)
        else:
            num_order = 0
            for indW in iter_list:
                save_path = out_dir + filenames[num_order]
                self.create_W_pic(W[indW, :,:], save_path, fields)
                num_order +=1
Exemple #3
0
 def create_W_pics(self, iteration=None, destination=''):
     """ Creates the pictures of the W matrices. If an iteration is given, only that very iteration
         is saved into the same folder as the h5-file.
         If no iteration is given, a subfolder names as the h5-file is created and all the W pics
         are saved in there. (Notice the difference to DataPlotter here.)
     """
     if 'W' in self.variables:
         W = self.h5file.root.W[:]
         num_of_W, H, D = W.shape
         if iteration >= num_of_W:
             raise ValueError("Given iteration is too large.")
     out_dir = self.h5file.filename[0:-3].split('/')[-1]
     if iteration == None:
         D2 = np.sqrt(D)
         rows = int(np.ceil(sqrt(H)))
         cols = int(np.round(sqrt(H)))
         pyplot.figure(1113)
         mkdir(out_dir)
         for indW in xrange(num_of_W):
             W_tmp = W[indW, :, :]
             for ind_plot in xrange(H):
                 spl = pl.subplot(rows, cols, ind_plot + 1)
                 spl.cla()
                 spl.imshow(W_tmp[ind_plot].reshape(D2, D2),
                            interpolation='nearest',
                            cmap=pyplot.cm.jet)
                 pyplot.axis('off')
             pl.savefig(destination + out_dir + '/W_' +
                        iter_to_str(indW + 1, num_of_W) + '.png')
     else:
         W = W[iteration, :, :]
         D2 = np.sqrt(D)
         rows = int(np.ceil(sqrt(H)))
         cols = rows
         pyplot.figure(1113)
         for ind_plot in xrange(H):
             spl = pl.subplot(rows, cols, ind_plot + 1)
             spl.cla()
             spl.imshow(W[ind_plot].reshape(D2, D2),
                        interpolation='nearest',
                        cmap=pyplot.cm.jet)
             pyplot.axis('off')
             pl.savefig(destination + 'W_' + out_dir + '_iter_' +
                        np.str(iteration + 1) + '.png')