[ncl-talk] hodograph

[BasitAli Khan]

Hi there,

I am trying to plot hodograph using hodograph.ncl and hodo_cartesian.ncl with modified cartesian scale for wind magnitude. The default one is 0  10 20 while i need something like 0 4 8 12 16 20 & 24. I've been successful in making some changes like increased number of circles from 3 to 6 and plotted wind mag on circles but unable to change cartesian scale. It is still showing the same 0 10 20. Please see the attached figure.

I would appreciate if Dennis Shea or our other NCL experts could advise as where to make changes in hodo_cartesian.ncl or hodograph.ncl script to get what i want.

The main scrip is copied below:

load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "/data/ncl_work/spl_plots/02_hodograph/hodograph.ncl"
load "./hodo_cartesian.ncl"
begin

ws   = (/1.,2., 3., 5., 9., 13., 14., 14.,17.,17.,17.,18.,19.,20.,21.,24./)
wd   = (/180.,185.,190.,200., 230., 245.,260., 265.,270.,290., 300.,305.,330.,340.,350.,360./)

res  = True
res at tiMainString = "HODO_GRAPH: CARTESIAN"
res at gsnDraw  = False
res at gsnFrame = False
;res at hodo_labelCircle = True

wks = gsn_open_wks ("png","hodogaph")

hodoPlt = hodograph(wks, ws,wd, res)
hcart   = True
hcart at hodo_axisColor     = 28

caxis = cartesian_axis(wks,hodoPlt,hcart)

draw(hodoPlt)
frame(wks)

end



Thanks and best regards,

Basit

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