i'm use m_map as tool to diplay wave sea and wind data over land
so this is the problem.. how remove the quiver (wind data) over the land which i'm only need quiver plot only over sea (not land)?
this is my script
m_gshhs_i('patch',[.6 .6 .6]);
and i get wrong figure (see attach)
am i wrong arrange the "hold on" code?