polartoolkit.alter_region

alter_region(starting_region, zoom=0, n_shift=0, w_shift=0)

Change a bounding region by shifting the box east/west or north/south, or zooming in or out.

Parameters:

• starting_region (tuple[float, float, float, float]) – Initial region in meters in format [xmin, xmax, ymin, ymax]

• zoom (float) – zoom in or out, in meters, by default 0

• n_shift (float) – shift north, or south if negative, in meters, by default 0

• w_shift (float) – shift west, or east if negative, in meters, by default 0

Returns:

Returns the altered region

Return type:

tuple[float, float, float, float]