Class centering
Style of centering to use with the map, the default is constrained
none: map will be placed flush with the margin/box in the top left corner
constrained: map will be centered on the most constrained axis (for a portrait page
and a square map this will be horizontally)
unconstrained: map will be centered on the unconstrained axis
vertical:
horizontal:
both:
|
none = 0
|
|
constrained = 1
|
|
unconstrained = 2
|
|
vertical = 3
|
|
horizontal = 4
|
|
both = 5
Some predefined page sizes custom sizes can also be passed a tuple of
the page width and height in meters
|