More advanced example

define object

o=obj_new('cws_read',xrange=[1500,2800],yrange=[2800,3400],scale=0.3)

define date and time

o->set_date,2008,6,13,12,0

read coast vector

coast=o->coast_line(/vector)

set cloud property

o->set_product,'ctp'

set CREW algorithm

o->set_group,'AWG'

read and display data

ctp1=o->get_data()
window,1
view2d,ctp1,/cool,/colo,no_data_idx=where(ctp1 le 0),coast_vec=coast,title='EUM ctp', min=200

read and display cloud top pressure for another algorihtm

o->set_group,'CMS'
ctp2=o->get_data()
window,2
view2d,ctp2,/cool,/colo,no_data_idx=where(ctp2 le 0),coast_vec=coast,title='CMS ctp',min=200

display the difference of the two datasets

window,3
view2d,ctp1-ctp2,/cool,/colo,no_data_idx=where((ctp1 le 0) or (ctp2 le 0) or (abs(ctp1-ctp2) gt 150)),coast_vec=coast,title='difference ctp AWG-CMS',min=-150,max=150