[gradsusr] problem with draw mark command

[Mira Losic]

Hi Stephen,
Yes- thanks a lot.  I appreciate you help.
Cheers,
Mira

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