| Hi, I am trying to fill between two curves. I plot an index and would like to fill the index whenever the index is larger than its one standard deviation. I try the following: !--------start script-------------------- set mode verify sp rm -f ferret.jnl sp rm -f metafile*.* cancel mode logo cancel mode journal go portrait set mode meta use dmi.nc show data set mem/size=400 define axis/t="1-Jan-1997":"6-Jan-2010":7/units=days tweek let dmi1 = dmi[t=@shn:5] let east1 = east[t=@shn:5] let west1 = west[t=@shn:5] let std = (dmi1[t=1-jan-1999:31-dec-2008@var]*523/(523-1))^0.5 ! let
a = if(dmi1[gt=tweek] gt std) then 1*dmi1[gt=tweek] else 0 plot/set/nolabels/line=7/t=1-Jan-2006:31-Dec-2008 dmi1 ppl txlint 2,1 ppl axnmtc,0,0 ppl axlint,3,1 ppl txlsze 0.14,0.14 ppl axlsze 0.13,0.13 ppl plot go fill_between poly/over/nolab/pal=red a tweek std !--------end script---------------- But I got a strange result. The fill_between.jnl also fill the curve below its one standard deviation. I attach the data and the result I got. Hope someone can help. Thank you in advance. Iskhaq NOAA/PMEL |
Attachment:
dmi.nc
Description: Cdf file
Attachment:
test.pdf
Description: Adobe PDF document