Automatically adjust subplot parameters to give specified padding.
Parameters:
- pad : float
- padding between the figure edge and the edges of subplots, as a fraction of the font-size.
- h_pad, w_pad : float
- padding (height/width) between edges of adjacent subplots.
Defaults to
pad_inches.
- rect : if rect is given, it is interpreted as a rectangle
- (left, bottom, right, top) in the normalized figure
coordinate that the whole subplots area (including
labels) will fit into. Default is (0, 0, 1, 1).
