mpl_toolkits.axisartist.grid_finder.
GridFinder
(transform, extreme_finder=None, grid_locator1=None, grid_locator2=None, tick_formatter1=None, tick_formatter2=None)[source]¶transform : transform from the image coordinate (which will be the transData of the axes to the world coordinate.
or transform = (transform_xy, inv_transform_xy)
locator1, locator2 : grid locator for 1st and 2nd axis.