[gradsusr] Eurocentric global map

Tue Nov 19 12:00:20 EST 2013

Hi Jim

Thanks for your response. If I set lon to 180,540 the problem flips.

If set lon to 0 540, no values are attached to 360+. Is there a way of sorting this?

Best,
Cara

[cid:F62102ED-71DA-43A7-94A9-981A4C0488B5]

On 19 Nov 2013, at 16:22, "James T. Potemra" <jimp at hawaii.edu<mailto:jimp at hawaii.edu>>
 wrote:

Cara:

Can you try 'set lon 180 540'?  This should work if your longitude
values are continuous.

Jim
On 11/19/13 5:44 AM, Cara Duckworth wrote:
Hi Chuck,

Thanks for your response. Yes, I just checked: lon = 0,360.

Is there a way that I can change this so that I can plot the global map from lon -180 to 180 (with Europe in the middle)?
When I plot it at lon=0,360, the map is fine but America is in the centre and I need Europe in the centre.

Best,
Cara

On 19 Nov 2013, at 15:15, Charles Seman - NOAA Federal <charles.seman at noaa.gov<mailto:charles.seman at noaa.gov>> wrote:

Cara,

Check to see if the variable you're trying to plot has been defined
locally in GrADS and what the longitude range is for it.  I was able to
replicate the issue by defining a local GrADS variable for lon = (0,360)
and then when displaying it for lon = (-180,180) the left half was missing.

Hope this helps,
Chuck

On 11/19/2013 09:33 AM, Cara Duckworth wrote:
Thanks Alan and Chris,

I'm still having troubles plotting the map.
When I use "set lon -180 180", one half of the plot is missing (see
image attached)

Without this instruction the map is fine (with all data displayed),
though Europe is not in the centre.
Any ideas as to what I have done wrong?

Best,
Cara

On 19 Nov 2013, at 13:25, Bill Reilly <bill_reilly at compuserve.com<mailto:bill_reilly at compuserve.com>
<mailto:bill_reilly at compuserve.com>> wrote:

Alan:

I think you mean:

set lon -180 180

--

Bill Reilly
www.passageweather.com<http://www.passageweather.com> <http://www.passageweather.com>

On 11/19/2013 1:30 PM, Alan Robock wrote:
Dear Cara

set lat -180 180

or if you don't want to split Alaska:

set lat -170 190
Alan Robock

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On 11/19/2013 6:54 AM, Cara Duckworth wrote:
Dear users,

I need to plot a global map, which is centred on the Prime Meridian
(i.e. a Eurocentric map).
Currently, the Prime Meridian is at either edge of my plot. How do I
change this?

Thanks,
Cara

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--

Please note that Charles.Seman at noaa.gov<mailto:Charles.Seman at noaa.gov> should be considered my NOAA
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********************************************************************
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 Geophysical Fluid Dynamics Laboratory         voice: (609) 452-6547
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