More advanced example
From CrewWiki
Go back to CREW_software_package
Reading two datasets and have a look at the difference
; 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='AWG ctp', min=200
; read and display cloud top pressure for another algorithm
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
obj_destroy, o
