[gradsusr] Full image area - data only

[AMS EmsiWx Bytča]

Hello Jeff,

thank you very much for your detailed help....

One more question please, is it possible to set the png image with data 
only and TRANSPARENT backround? Or I would need to know the background 
RGB value?

Marian

Dňa 3. 12. 2015 o 18:23 Jeff Duda napísal(a):
> Yes, it is possible. Some commands you'll want to use include
>
> 'set mpdraw off' so the background map is not drawn
> 'set parea ...' set the limits of parea to match the size of the real 
> page (for landscape mode with no -a at initialization, that's 8.5 x by 
> 11).
> 'set mproj scaled' to ensure the plotting area fills the area set by 
> parea. For all other map projections, the actual area where data will 
> be drawn is scaled to fit the aspect ratio of the dimension 
> environment. If you need to use a specific map projection, you'll have 
> to use the anticipated dimension environment in advance to know the 
> aspect ratio of the plotting area, then use the -a option when 
> starting grads to set an aspect ratio for the real page, then use 'q 
> xinfo' to find out the dimensions of the real page.
>
> Jeff Duda
>
> On Thu, Dec 3, 2015 at 5:39 AM, AMS EmsiWx Bytča 
> <emsiwx at pocasie-bytca.sk <mailto:emsiwx at pocasie-bytca.sk>> wrote:
>
>     Dear all,
>
>     I would need to generate an output where no map is displayed, the
>     full area of defined png is used, e.g. 800x600 and only small text
>     with the model run and small text with the valid time is displayed
>     like the one I attched.
>
>     Is it please possible?
>
>     Than you very much for your time and help.
>
>     Kind regards,
>
>     Marian
>     -- 
>
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>
>
> -- 
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
>
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