axcb = fig.add_axes([0.1,  0.1, 0.8, 0.1])
cbar = fig.colorbar(img, cax=axcb, orientation='horizontal', \
                    fraction=0.1, pad=0.01, shrink=1.0, aspect=20)
axcb.xaxis.set_ticks_position('top') # change position of axis labels

axes  = fig.add_subplot(111)        

axes1  = fig.add_subplot(211)        
axes2  = fig.add_subplot(212)        

axgr = fig.add_axes([0.1,  0.64, 0.80, 0.35])
axhi = fig.add_axes([0.1,  0.14, 0.35, 0.35])
axti = fig.add_axes([0.55, 0.14, 0.35, 0.35])

import matplotlib.gridspec as gridspec
gs   = gridspec.GridSpec(20, 20)
# Naive direction        [  Y   ,   X ]
axsa = fig.add_subplot(gs[ 1:16,  0:14])
axsb = fig.add_subplot(gs[ 1:16, 14:19])
axsc = fig.add_subplot(gs[16:  ,  0:14])

    
axes.set_xlim((-50,50))
axes.set_ylim((-10,210))

import matplotlib.lines  as lines
line = lines.Line2D(arrx, arry, linewidth=1, color='r')   
axes.add_artist(line)

from matplotlib.ticker import MaxNLocator
axes.xaxis.set_major_locator(MaxNLocator(4))

import matplotlib.ticker as mtick
axes.xaxis.set_major_formatter( mtick.NullFormatter() )

for label in axes.get_xticklabels() :
    label.set_rotation(60)                  # rotate by 60 degree
    label.set_horizontalalignment('center') # 'right', etc.

axes.xaxis.set_ticks_position('top')
axes.yaxis.set_ticks_position('right')

axes.set_xlabel('Time index')
axes.set_ylabel('dt(sec)')

plt.text(x, y, text, fontsize=7, color='k', ha='left', rotation=45)
axes.text(x, y, text, fontsize=7, color='k', ha='left', rotation=45)

    
plt.title('Image',color='b',fontsize=20)
or
axes.set_title('Image',color='b',fontsize=20)

    
    fig.canvas.set_window_title('Image And Spectrum ' + u'\u03C6')

    
    str = 'Symbol phi: ' + u'\u03C6'

canvas = fig.canvas
canvas.mpl_connect('button_press_event',   self.processMouseButtonPress) 
canvas.mpl_connect('button_release_event', self.processMouseButtonRelease) 
canvas.mpl_connect('motion_notify_event',  self.processMouseMotion)

...

    def processMouseButtonPress(self, event) :
        print 'MouseButtonPress'
        print 'event: xdata, ydata, x, y =', event.xdata, event.ydata, event.x, event.y

        if event.inaxes == self.axgr : self.mousePressOnGraph(event)
        if event.inaxes == self.axti : self.mousePressOnGraph(event)
        if event.inaxes == self.axhi : self.mousePressOnHisto(event)

        if event.button == 1 : # 1=left, 2=middle, 3=right
            self.gr_xmin = float(event.xdata)

import matplotlib
matplotlib.use('Qt4Agg')
import matplotlib.pyplot as plt

pos = fig.canvas.manager.window.pos()
print 'x,y=', pos.x(), pos.y()




h3. How to move the matplotlib figure window in certain (x,y) position

or

For our backend starting from python 2.7.2:

h3. How to move the matplotlib figure window on top (of all pileup windows)

the attribute trick is that the {{fig.canvas.manager.window}} returns the {{QtGui.QMainWindow}}, which is subclass of {{QtGui.QWidget}} with all that useful methods

h3. How to receive a signal in program when window is activated by the mouse click on frame ?

I do not know yet...

But, if you click on figure canvas (the region inside the window frame, use

h3. How to receive a signal in program when close window by the click on "X"

h3. How to close figure from program call