> I am busy doing a plot similar to that in example xy_5.ncl. I was just
> wondering if there was a way to automatically center the reference line
> (located at Y=0) without explicitly specifying the trYminF and trYmaxF
> values.
Umm, not that I am aware of ...
but "symmetric" y limit could be calculated ... untested
ymnmx = max( (/fabs(min(y)), fabs(max(y))/) ) ; larger of two values
trYminF = -ymnmx
trYmaxF = ymnmx
; nicer, perhaps .... normally used for contours but ok for xy
; http://www.ncl.ucar.edu/Document/Functions/Built-in/nice_mnmxintvl.shtm
mnmxint = nice_mnmxintvl( -ymnmx, ymnmx, 14, False)
trYminF = mnmxint(0)
trYmaxF = mnmxint(1)
good luck
D
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Received on Tue Mar 14 2006 - 06:30:25 MST
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