Mira,<div>It's huge because you're using a huge size. Try something in the 0.1 to 0.2 range and adjust as needed.</div><div>Stephen Mc<br><br><div class="gmail_quote">On Mon, Nov 22, 2010 at 3:39 PM, Mira Losic <span dir="ltr"><<a href="mailto:mlosic@envsci.rutgers.edu">mlosic@envsci.rutgers.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi Jim,<br>
<br>
Thanks for the speedy response! Your suggestion does indeed fix my<br>
problem, however now the actual mark is extremely large. For instance,<br>
even for a size 1 mark, the dot is huge.<br>
Any thoughts?<br>
<br>
Cheers and thanks again.<br>
Mira<br>
<br>
> Hi Mira:<br>
><br>
> The first message is because you are not actively displaying a variable,<br>
> so there is no scaling environment (see Jeff Duda's message from 10/19).<br>
> So, display a variable first then you can "q w2xy", as you have in the<br>
> second part of your message.<br>
><br>
> The second problem is, I think, that you have switched the lat and lon<br>
> in your query. You have:<br>
><br>
> query w2xy 64.3 -96.08<br>
><br>
> and this will look for lon=64.3 and lat=-96.08, and so GrADS returns the<br>
> page position to be at -300,-347 on the page.<br>
><br>
> Jim<br>
><br>
><br>
> Mira Losic wrote:<br>
>> Hi All,<br>
>><br>
>> I'd like to draw a map of my WRF domain (as should be described in my<br>
>> ctl<br>
>> file) and then simply mark a few stations within the domain with the<br>
>> 'draw<br>
>> mark' command in grads. I get an error when trying to draw my first<br>
>> mark.<br>
>><br>
>> Below are my commands and my resulting error.<br>
>><br>
>> ga-> open BASERUN_81_short.ctl<br>
>> Scanning description file: BASERUN_81_short.ctl<br>
>> Data file BASERUN_81_short.nc is open as file 1<br>
>> LON set to -116.1 -34.1464<br>
>> LAT set to 55.9 78.7109<br>
>> LEV set to 1 1<br>
>> Time values set: 1981:7:1:6 1981:7:1:6<br>
>> E set to 1 1<br>
>> Notice: Implied interpolation for file BASERUN_81_short.ctl<br>
>> Interpolation will be performed on any data displayed from this file<br>
>> ga-> set display color white<br>
>> ga-> set mproj nps<br>
>> ga-> set mpdset hires<br>
>> MPDSET file name = hires<br>
>> ga-> set grid on<br>
>> grid is on, style 5 color 15<br>
>> ga-> draw map<br>
>> ga-> query w2xy 64.3 -96.08<br>
>> No scaling environment<br>
>><br>
>> The puzzling thing is that I do not get this error when I display a<br>
>> variable, say SNOWH before I query the lat and lon (below), but I still<br>
>> don't see a mark at the location on my map.<br>
>><br>
>> ga-> open BASERUN_81_short.ctl<br>
>> Scanning description file: BASERUN_81_short.ctl<br>
>> Data file BASERUN_81_short.nc is open as file 1<br>
>> LON set to -116.1 -34.1464<br>
>> LAT set to 55.9 78.7109<br>
>> LEV set to 1 1<br>
>> Time values set: 1981:7:1:6 1981:7:1:6<br>
>> E set to 1 1<br>
>> Notice: Implied interpolation for file BASERUN_81_short.ctl<br>
>> Interpolation will be performed on any data displayed from this file<br>
>> ga-> set display color white<br>
>> ga-> set mproj nps<br>
>> ga-> set mpdset hires<br>
>> MPDSET file name = hires<br>
>> ga-> set grid on<br>
>> grid is on, style 5 color 15<br>
>> ga-> draw map<br>
>> ga-> set t 1<br>
>> Time values set: 1981:7:1:6 1981:7:1:6<br>
>> ga-> d SNOWH<br>
>> Notice: Automatic Grid Interpolation Taking Place<br>
>> Contouring: 0 to 240 interval 30<br>
>> ga-> query w2xy 64.3 -96.08<br>
>> X = -300.1 Y = -347.782<br>
>> ga-> draw mark 1 -300.1 -347.782 3<br>
>><br>
>> Any help or insight would be much appreciated!<br>
>> Thanks so much,<br>
>> Mira<br>
>><br>
>><br>
>><br>
>> _______________________________________________<br>
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>><br>
><br>
<br>
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</blockquote></div><br></div>
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