;---------------------------------------------------------------------- ; stream_1.ncl ; ; Concepts illustrated: ; - Drawing a black-and-white streamline plot over a map ;---------------------------------------------------------------------- ; ; These files are loaded by default in NCL V6.2.0 and newer ; load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl" ; load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl" begin ;---Read in 2D data only f = addfile("uvt.nc","r") u = f->U(0,0,:,:) ; read in example data [2D only here] v = f->V(0,0,:,:) ;---Graphics wks = gsn_open_wks("png","stream") ; send graphics to PNG file res = True ; plot mods desired res@tiMainString = "Example of a streamline plot" ; title plot = gsn_csm_streamline_map_ce(wks,u,v,res) end