from kapteyn import maputils
from matplotlib import pyplot as plt

info = """\nCode shows complete control over the Axes objects for 
image and colorbar. Often, this appoach takes more time to configure 
but it gives much more control. When resizing the plot window, the
colorbar does not always follow the width or heigth of the image.\n"""
print(info)

fitsobj = maputils.FITSimage("m101.fits")
fig = plt.figure(figsize=(7,7.5))
frame = fig.add_axes((0.2, 0.25, 0.7, 0.7))
cbframe = fig.add_axes((0.2, 0.1, 0.7, 0.05))

annim = fitsobj.Annotatedimage(cmap="jet", clipmin=8000, frame=frame)
annim.Image()
annim.Graticule()
units = r'$ergs/(sec.cm^2)$'
colbar = annim.Colorbar(fontsize=8, orientation='horizontal', frame=cbframe)
colbar.set_label(label=units, fontsize=14)
annim.plot()
annim.interact_imagecolors()
plt.show()