Example #1
0
    def load_cluster(self, cluster):
        '''
        Load necessary information from cluster object.
        '''

        self.cluster_data = PlotSingleCluster(cluster)
        self.name = cluster.identity()
Example #2
0
class PlotSingle(PlotMPL):
    '''
    Ploting with single cluster data.
    '''
    
    def load_cluster(self, cluster):
        '''
        Load necessary information from cluster object.
        '''

        self.cluster_data = PlotSingleCluster(cluster)
        self.name = cluster.identity()

    def plot_original(self, fig = None, savefig = True, display = False):
        '''
        Plot the original trace.
        '''
        if fig is None:
            fig = plt.figure()

        # Build X axis
        time, amp = self.cluster_data.compute_original()

        ax1 = fig.add_subplot(111)
        ax1.plot(time, amp, color = 'black', lw=1,
                                label = 'Original trace')
        ax1.set_xlim([time[0], time[-1]])
        ax1.set_xlabel('Time (ms)')
        ax1.set_ylabel('Amplitude (pA)')
        ax1.set_title('Original trace')
        self._plot_dict['original'] = fig
        if savefig:
            fig.savefig(os.path.join(self.filepath,self.name+'_Original.png'),dpi=300)
        if display:
            plt.show()


    def plot_popen_on_original(self, savefig = True):
        '''
        Plot the Popen of different modes on the original trace.
        '''

        if 'original' in self._plot_dict:
            self.plot_original()
        fig = self._plot_dict['original']
        if len(fig.get_axes()) == 1:
            ax2 = fig.get_axes()[0].twinx()
        else:
            raise IndexError('More than one axis in the figure')

        time, popen = self.cluster_data.compute_popen()

        ax2.plot(time, popen, color = 'blue', label = 'Popen')
        ax2.set_ylabel('Popen')
        ax2.yaxis.label.set_color('blue')
        ax2.set_ylim([0, 1])
        ax2.set_xlim([time[0], time[-1]])
        for tl in ax2.get_yticklabels():
            tl.set_color('blue')
        if savefig:
            fig.savefig(os.path.join(self.filepath,self.name+'Popen.png'),dpi=300)

    def plot_multitrace(self, func_list = ('compute_original', 'compute_popen'),
                        tracelength = 5e3, trace_number = 10):
        '''
        Get the data from the func list and plot the data.
        '''
        x_list = []
        y_list = []
        for func in func_list:
            x,y = getattr(self.cluster_data, func)()
            x_list.append(x)
            y_list.append(y)
        
        sep_x_list = []
        sep_y_list = []
        for x,y in zip(x_list, y_list):
            sep_x, sep_y = separate_multiply_line(x,y,tracelength = tracelength)
            sep_x_list.append(sep_x)
            sep_y_list.append(sep_y)
        
        page_number = int(np.ceil(len(sep_x)/trace_number))
        fig_list = []
        for i in range(page_number):
            fig = plt.figure()
            fig.set_size_inches(22,17)

            for j in range(min([trace_number, len(sep_x_list[0]) - i*trace_number])):
                ax1 = fig.add_subplot(trace_number, 1, j+1)
                
                # plot original trace
                x = sep_x_list[0][i*trace_number+j]
                y = sep_y_list[0][i*trace_number+j]
                ax1.plot(x, y, color = 'black', lw=1)
                ax1.set_xlim([x[0], x[0] + tracelength])
                ax1.set_ylim([-1, 9])
                
                # plot Popen
                ax2 = ax1.twinx()
                x = sep_x_list[1][i*trace_number+j]
                y = sep_y_list[1][i*trace_number+j]
                ax2.plot(x, y, color = 'blue')
                ax2.set_xlim([x[0], x[0] + tracelength])
                ax2.set_ylim([0, 1])
            fig.suptitle(self.name+'/'+str(i))
            fig.savefig(os.path.join(self.filepath,self.name+'Joint'+str(i)+'.png'))
            fig_list.append(fig)            
            

    def plot_open_close(self, fig = None, savefig = True):
        '''
        Plot the open period versus shut periods.
        '''

        stretch_list = self.cluster_data.compute_open_close()
        mode_num = len(stretch_list)


        if fig is None:
            fig = plt.figure()
        ax = fig.add_subplot(111)
        cmap = np.linspace(0,1,mode_num)

        for index, stretch in enumerate(stretch_list):
            ax.scatter(stretch['open_period'], stretch['shut_period'],
                       facecolors='none',
                       edgecolors=plt.cm.spectral(cmap[index]),
                       s=1, label = str(index + 1))
            #ax.scatter(stretch['mean_open'], stretch['mean_shut'],
            #           color=plt.cm.spectral(cmap[index]),
             #          s=50, label = str(index + 1))
    
        ax.legend()
        ax.set_xscale('log')
        ax.set_yscale('log')
        ax.set_ylim([0.3, np.exp(7)])
        ax.set_xlim([0.3, np.exp(5)])
        ax.set_xlabel('Open period (ms in log scale)')
        ax.set_ylabel('Shut period (ms in log scale)')
        ax.set_title('Open/Shut')
        if savefig:
            fig.savefig(os.path.join(self.filepath,self.name+'Open_Shut.png'),dpi=150)

    def plot_cost_difference(self, fig = None, savefig = True):
        '''
        Plot the cost function, and the difference between the cost and
        normalised cost function, which are all normalised by dividing by the
        cluster length.
        '''
        if fig is None:
            fig = plt.figure()

        # get the data
        dataset = self.cluster_data.compute_cost_diff()
        mode_num = dataset['mode_num']
        cost = dataset['cost']
        mean_cost = dataset['mean_cost']
        difference = dataset['difference']
        mean_difference = dataset['mean_difference']
        x = range(1, len(cost)+1)

        # Plot cost and mean cost function
        ax1 = fig.add_subplot(211)
        ax1.plot(x, cost, color = 'blue', label = 'minimum cost')
        ax1.plot(x, mean_cost, color = 'red', label = 'average cost')
        ax1.plot(mode_num, cost[mode_num - 1], 'o')
        ax1.plot(mode_num, mean_cost[mode_num - 1], 'o')
        ax1.set_xlabel('Mode number')
        ax1.set_ylabel('Cost')
        ax1.legend()
        # ax1.set_ylim(bottom=0)

        # Plot the difference between two cost
        x = range(2, len(cost)+1)
        ax2 = fig.add_subplot(212)
        ax2.plot(x, difference, 'o')
        ax2.plot(x, mean_difference)
        ax2.set_xlabel('Mode number')
        ax2.set_ylabel('effectiveness')
        ax1.set_title('Optimum number of stretches')

        if savefig:
            fig.savefig(os.path.join(self.filepath,self.name+'Cost_Difference.png'),dpi=300)