[gradsusr] Background options failing

Wed Nov 9 18:53:11 EST 2011

Mason,
You can change the geopolitical boundaries using the 'set map' command.
For black, you'd want 'set map 1 1 1'.
Jeff

On Wed, Nov 9, 2011 at 5:01 PM, Rowell, Mason D. <Mason.D.Rowell-1 at ou.edu>wrote:

>  All,
>
> I finally have what I need. Thank you Jeff. You had almost exactly what I
> needed (minus the orange state boundaries but hey I'll live with it at this
> point). The only thing wrong was that when using "set display color white"
> it seems to reverse the behavior of the black white color indices. As you
> can see in your attached image that you provided me after doing the fixes
> you suggest, geopotential height has labels but lines do not show up.
> Ccolor was set at 0, which should be black, but comes out white when using
> in tandem with display color white. If you change it to 1 (ordinarily
> white), it gives me my black contour. How strange.
>
> Mason
>  ------------------------------
> *From:* gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on
> behalf of Jeff Duda [jeffduda319 at gmail.com]
> *Sent:* Wednesday, November 09, 2011 4:43 PM
>
> *To:* GrADS Users Forum
> *Subject:* Re: [gradsusr] Background options failing
>
>  Did you get an image that wasn't just white?
>
> On Wed, Nov 9, 2011 at 4:11 PM, Rowell, Mason D. <Mason.D.Rowell-1 at ou.edu>wrote:
>
>>  Jeff,
>>
>> I don't know if I have tried this placement yet so I'll give it a whirl.
>> Unless I am going crazy though, I don't see the geopoten. lines, despite
>> the fact ccolor is at 0, which should be black. If I can't see them, I
>> assume it is making them white, and I don't know why.
>>
>> Mason
>>  ------------------------------
>> *From:* gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on
>> behalf of Jeffrey Duda [jdduda at iastate.edu]
>> *Sent:* Wednesday, November 09, 2011 3:14 PM
>> *To:* GrADS Users Forum
>> *Subject:* Re: [gradsusr] Background options failing
>>
>>  Mason,
>> Okay, I put your script to work on a different computer system and got
>> the results you're looking for (I think, see attached image).  Here's the
>> code that got those results:
>>
>> 'open narr-a_221_19981218_0000_000.ctl'
>> hgt = 850
>> 'set lev 'hgt
>> 'set lat 34 46'
>> 'set lon -114 -97'
>> 'set mpdset hires'
>> 'set display color white'
>> 'clear'
>> tt = 1
>> while (tt <= 8)
>>  'set t 'tt
>>  'set cint 10'
>>  'set ccolor 0'
>>  'd HGTprs'
>>  'set clab %.0f`3.`1C'
>>  'set cint 2'
>>  'set cstyle 2'
>>  'set ccolor 2'
>>  'd (TMPprs - 273)'
>>  'set gxout barb'
>>  'd skip(UGRDprs,3,3);VGRDprs;mag(UGRDprs,VGRDprs)'
>>  'printim example_'tt'_'hgt'.png x800 y600'
>>  'clear'
>>  tt = tt + 1
>> endwhile
>>
>> You'll notice the only things I changed (other than the path to the
>> files) is where I put some of the setup commands, and that I removed the
>> "set background" command.  You don't need to use both "set background" and
>> "set display" to get what you want.  In fact, I think those two commands
>> sort of canceled each other out.  I would suggest always going with the
>> "set display color white" ; "clear" sequence.  Changing either the
>> background or display color messes with the color that represents the
>> "foreground" and "background".  When you did "set background 1", you told
>> Grads to set the color index 1 to black and 0 to white instead of the other
>> way around, which is the default behavior.  I don't know if it matters to
>> get much deeper than that, but just use the suggestion I provided and
>> you'll be fine.
>>
>> Jeff
>>
>> On Wed, Nov 9, 2011 at 2:20 PM, Rowell, Mason D. <Mason.D.Rowell-1 at ou.edu
>> > wrote:
>>
>>> All,
>>>
>>> I reduced the iterations to one, and I still cannot get these commands
>>> in the script to do the same thing when typing them one by one on the
>>> command line with a refresh load of grads. Has anyone had this happen
>>> before? Could someone run my script and tell me if you still only get a
>>> black background, despite the command?
>>>
>>> Mason
>>> ________________________________________
>>> From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on
>>> behalf of Rowell, Mason D. [Mason.D.Rowell-1 at ou.edu]
>>> Sent: Wednesday, November 09, 2011 1:31 PM
>>>  To: GrADS Users Forum
>>> Subject: Re: [gradsusr] Background options failing
>>>
>>> All,
>>>
>>> Absolutely nothing will work. Even if I use white in printim the image
>>> is STILL black. This is such a huge waste of time at this point. Should it
>>> be so hard to get a script to work right?
>>>
>>> Mason
>>> ________________________________________
>>> From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on
>>> behalf of Nick Heath [nkh09 at fsu.edu]
>>> Sent: Wednesday, November 09, 2011 12:51 PM
>>> To: GrADS Users Forum
>>> Subject: Re: [gradsusr] Background options failing
>>>
>>> Try moving your 'clear' command to the line after you 'set display color
>>> white', e.g.,
>>>
>>> 'set background 1'
>>> 'set display color white'
>>> 'clear'
>>>
>>> That might work.
>>>
>>> -Nick
>>>
>>> ----- Original Message -----
>>> From: "Rowell, Mason D." <Mason.D.Rowell-1 at ou.edu>
>>> Date: Wednesday, November 9, 2011 6:17 pm
>>> Subject: [gradsusr] Background options failing
>>> To: "gradsusr at gradsusr.org" <gradsusr at gradsusr.org>
>>>
>>> > All,
>>> >
>>> > See the below. I cannot get the script to do the same as the
>>> > command line operations, even when they are the same.
>>> >
>>> > Mason
>>> > ________________________________________
>>> > From: Rowell, Mason D.
>>> > Sent: Tuesday, November 08, 2011 4:17 PM
>>> > To: gradsusr at gradsusr.org
>>> > Subject:
>>> >
>>> > All,
>>> >
>>> > Running the above, command by command, gives me white background,
>>> > with grey political boundaries and a black frame, but running the
>>> > script, gives me orange boundaries and black background (with white
>>> > frame). This is a complete mystery to me. In fact, I often have to
>>> > completely close out of grads and reopen from scratch in order to
>>> > get 'set background 1' to work from the command line (which only
>>> > shows after using clear). So I would expect at least the first
>>> > image from the script to look right but it doesn't. Anyone know why
>>> > grads is needing a fresh start to change this, ALONG with a clear,
>>> > then never to work properly again unless I reboot it? This can't be
>>> > the only problem with the script since it won't even work right for
>>> > the first image running the script with a fresh grads
>>> > session....Again I am using an older 2.0 version 6.
>>> >
>>> > Mason
>>> >
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Nick Heath
>>> Graduate Student
>>> Florida State University
>>> Department of Earth, Ocean, and Atmospheric Science
>>> Love Bldg. Rm 311
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>>
>>
>>
>> --
>> Jeff Duda
>> Iowa State University
>> Meteorology Graduate Student
>> www.meteor.iastate.edu/~jdduda <http://www.meteor.iastate.edu/%7Ejdduda>
>>
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>>
>>
>
>
> --
> Jeff Duda
> Grad student - PhD, Meteorology
> University of Oklahoma School of Meteorology - Center for Analysis and
> Prediction of Storms
>
>
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>

-- 
Jeff Duda
Grad student - PhD, Meteorology
University of Oklahoma School of Meteorology - Center for Analysis and
Prediction of Storms
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