[las_users] ferret sample script for map applet

[Namba Takaya <takayanamba3@xxxxxxxxxxx>]

Dear users

Ferret is v5.81.
I tried to make a map applet using ferret script shown in
http://ferret.pmel.noaa.gov/Ferret/LAS/FAQ/modifying_LiveMap.htm

set mem/size=20
set data etopo20
set wind/siz=.5
palette  dark_land_sea
set region/x=-160:-124/y=-30:60
go mp_plate_caree
set grid rose
go mp_aspect
shade/nokey/lev=(-10500,-5500,5000)(-5500,0,500)(0,2000,250)(2000,6000,1000)/nolab
rose, x_page, y_page
! get axis lengths from previous plot and make a new plot
! where the plot takes up all the space
ppl size ($ppl$xlen),($ppl$ylen)
ppl axlen ($ppl$xlen),($ppl$ylen)
ppl origin 0,0
shade/nokey/lev=(-10500,-5500,5000)(-5500,0,500)(0,2000,250)(2000,6000,1000)/nolab
rose, x_page, y_page
frame/file=EasternPac.gif


The sample made the blank gif with a frame only. Some
other regions make this script works,
for exmaple,
set region/x=283:310/y=-45:-64.

Could you tell me why make this difference?

Best Regards,

Takaya Namba


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