[ncl-talk] wrf_user_intrp3d Documentation
Evelyn Grell - NOAA Affiliate
evelyn.grell at noaa.gov
Tue Jul 28 14:15:25 MDT 2015
Phil,
I believe the order of the variables got changed between versions, and the
documentation did not.
I found the following a while back:
In v6.1.2, the order to specify 2 points for a cross section has to be
x1,x2,y1,y2.
In v6.2.1, the order to specify 2 points has to be x1,y1,x2,y2.
You can check by looking at the code in your
$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl
In wrf_user_interp3d:
; set vertical cross section
if (opts) then
xy = wrf_user_set_xy( z, loc_param(0)-1, loc_param(2)-1, \ ;
the -1 is for NCL dimensions
loc_param(1)-1, loc_param(3)-1, \
angle, opts )
where your endpoints go into loc_params.
Evelyn
On Tue, Jul 28, 2015 at 2:04 PM, Phil M <philip.martin at sjsu.edu> wrote:
> Hi NCL users,
>
> I am trying to make height cross-sections with WRF output using the point
> A-to-B method, but when I use the order in the function documentation for
> the "plane" array (xstart, xend, ystart, yend), the results do not match up
> with the domain. I switched it around to (xstart, ystart , xend, yend) and
> the results seem to match up. Is the latter the correct order?
>
>
> Philip Martin-Edwards
> Teaching Associate
> Dept. of Meteorology and Climate Science
> San Jose State University
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