[gradsusr] Trying to plot values (grid? ascii?) of weasdsfc onto map.
Christopher Gilroy
chris.gilroy at gmail.com
Fri Sep 25 09:59:57 EDT 2015
I do want it to draw snowfall amounts, but like in the two images, not
"griddy". If you look at,
http://blog.chron.com/weather/wp-content/blogs.dir/2579/files/2014/01/gfs_6hr_snow_acc_se_19.png
that doesn't appear to be drawing those numbers based on a grid at all.
They are all scattered about on the map with no real "grid" structure to
them. The only way I know how to "control" the frequency (perhaps
"stepping" might be a better word?) of the drawing of values would really
be to maskout coupled with re-gridding so it doesn't put a number on every
possible area that weasdsfc has a value for is. If that makes sense?
On Fri, Sep 25, 2015 at 9:53 AM, Stephen McMillan <smcmillan at planalytics.com
> wrote:
> Hello Chris,
>
> If you don't want to display all the grid values, then you can use 'draw
> string...' using the coordinates of whatever stations or locations you want
> displayed on top of the shaded contours. See
> http://www.iges.org/grads/gadoc/gradcomddrawstring.html
>
> Stephen McMillan
>
> On Fri, Sep 25, 2015 at 8:55 AM, Christopher Gilroy <
> chris.gilroy at gmail.com> wrote:
>
>> I'm trying to plot something like this:
>> http://i60.tinypic.com/2v9voe0.jpg (WXBell has the same basic setup,
>> http://blog.chron.com/weather/wp-content/blogs.dir/2579/files/2014/01/gfs_6hr_snow_acc_se_19.png)
>> with the inch's plotting on-top of the shaded area but the only way I know
>> how to display "values" like that is with gxout grid, which then makes the
>> numbers plot in grids (obviously) and unless I'm missing something with
>> options I don't see a way to make it output as "loose" as theirs are,
>> instead of literally in a "grid" (square box) format.
>>
>> I'm currently simply doing:
>>
>> 'set gxout grid'
>> 'set gridln off'
>> 'set dignum 1'
>> 'set digsiz 0.05'
>> 'd re(maskout(weasdsfc, weasdsfc-3), 0.25)'
>>
>> Which, you can image it will output tons of numbers all over, making it
>> completely illegible. Any clue on how to do something like the above two
>> images?
>>
>> --
>> -Chris A. Gilroy
>>
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>>
>
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>
--
-Chris A. Gilroy
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