| Keywords GS and LIMITS not allowed in TRIGRID [message #9586] |
Sun, 13 July 1997 00:00  |
Scott Applequist
Messages: 4
Registered: November 1996
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Junior Member |
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I am trying to specify the grid spacing and limits in the
TRIGRID function (1-909R). I am getting an error message
that neither keyword is allowed in this function (quite
contrary to the documentation it seems). The following
are the relevant code and error message I receive. Thanks
for any possible guidance.
;These arrays contain 74 longitude, latitudes, and geopotentials
bigbox=[15.,-115.,60.,-60.]
xlon = fltarr(nh)
xlat = fltarr(nh)
hght = fltarr(nh)
;Data assignment statements
.
.
.
triangulate, xlon, xlat, tr, b
gridhght = trigrid(xlon, xlat, hght, tr, extrapolate=b $
,gs=[1.0,1.0] , limits=bigbox )
�
----------------------Session Output-------------------
IDL. Version 4.0.1 (vms alpha).
Copyright 1989-1995, Research Systems, Inc.
All rights reserved. Unauthorized reproduction prohibited.
Installation number: 12608-30.
Licensed for use by: FSU - GFDI
IDL> .run test
% Compiled module: $MAIN$.
571201/0000
68 good values
% Keyword GS not allowed in call to: TRIGRID
% Execution halted at: $MAIN$ 36
FEDORA$DKB200:[SCOTT.PROGS.FIXDATA]TEST.PRO;11
If I omit the gs=[1.0,1.0] part, the same error is returned
with the word LIMITS in place of GS. If both are omitted,
TRIGRID works, but not with the desired grid spacing or limits.
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| Re: Key [message #10327 is a reply to message #9586] |
Thu, 06 November 1997 00:00  |
Liam Gumley
Messages: 473
Registered: November 1994
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Senior Member |
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Neil Winrow wrote:
> I wish to produce a Key for the plots I'm producing. The data on the
> plots are colour coded, and I wish to display a key on the plot to show
> what the different colors represent. Does anyone know of a simple method
> other than using a series of 'XYOUTS' statements.
The LEGEND procedure from the ESRG library at
ftp://icess.ucsb.edu/pub/idl
can usually be coaxed to do this sort of thing pretty well.
Cheers,
Liam.
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