PPL, overlay

Sometime, we want to draw double layered lines with PPL options.

But, adding “overlay” isn’t work.

so? there is a solution,

 

Example>

use coads_climatology

plot/set_up/color=8/vlimit=18:27:1 sst[x=170w,y=30n,l=1:12]

ppl plot

plot/set_up/color=9 sst[x=150w,y=23n,l=1:12]

ppl plot/over   ! must be “over”, not a “overlay”.

캡처

So, Simple 🙂

 

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