.. py:function:: mvl_geoline(lat1, lon1, lat2, lon2, incrm) Plots a straight line linearly sampled in lat-lon onto any map projections. :param lat1: start latitude of the line :type lat1: number :param lon1: start longitude of the line :type lon1: number :param lat2: end latitude of the line :type lat2: number :param lon2: end longitude of the line :type lon2: number :param incr: increment in degrees for the line segments to make up the line :type incr: number :rtype: :func:`input_visualiser` Internally, the line is split into a number of segments and the returned result is an :func:`input_visualiser` object which can be passed to :func:`plot` along with an optional :func:`mgraph` object.
.. mv-minigallery:: mvl_geoline