[gradsusr] Display issues in Grads

[Stephen McMillan]

Marjahn,

The cbar script only does the color bar.  It would help if you also
included the portion of your script that sets up and generates the image,
otherwise it's difficult to reproduce and evaluate your issue.

Stephen Mc

On Mon, Dec 29, 2014 at 3:18 PM, Marjahn Finlayson <mfinlayson at wesleyan.edu>
wrote:

> I normally would run cbar.gs script. I copied the script from the grads
> library displayed below:
>
> *
> *  Script to plot a colorbar
> *
> *  The script will assume a colorbar is wanted even if there is
> *  not room -- it will plot on the side or the bottom if there is
> *  room in either place, otherwise it will plot along the bottom and
> *  overlay labels there if any.  This can be dealt with via
> *  the 'set parea' command.  In version 2 the default parea will
> *  be changed, but we want to guarantee upward compatibility in
> *  sub-releases.
> *
> function colorbar (args)
> *
> *  Check shading information
> *
>   'query shades'
>   shdinfo = result
>   if (subwrd(shdinfo,1)='None')
>     say 'Cannot plot color bar: No shading information'
>     return
>   endif
> *
> *  Get plot size info
> *
>   'query gxinfo'
>   rec2 = sublin(result,2)
>   rec3 = sublin(result,3)
>   rec4 = sublin(result,4)
>   xsiz = subwrd(rec2,4)
>   ysiz = subwrd(rec2,6)
>   ylo = subwrd(rec4,4)
>   xhi = subwrd(rec3,6)
>   xd = xsiz - xhi
> *
> *  Decide if horizontal or vertical color bar
> *  and set up constants.
> *
>   if (ylo<0.6 & xd<1.0)
>     say "Not enough room in plot for a colorbar"
>     return
>   endif
>   cnum = subwrd(shdinfo,5)
>   if (ylo<0.6 | xd>1.5)
>     xl = xhi + xd/2 - 0.4
>     xr = xl + 0.2
>     xwid = 0.2
>     ywid = 0.5
>     if (ywid*cnum > ysiz*0.8)
>       ywid = ysiz*0.8/cnum
>     endif
>     ymid = ysiz/2
>     yb = ymid - ywid*cnum/2
>     'set string 1 l 5'
>     vert = 1
>   else
>     ymid = ylo/2
>     yt = ymid + 0.2
>     yb = ymid
>     xmid = xsiz/2
>     xwid = 0.8
>     if (xwid*cnum > xsiz*0.8)
>       xwid = xsiz*0.8/cnum
>     endif
>     xl = xmid - xwid*cnum/2
>     'set string 1 tc 5'
>     vert = 0
>   endif
> *
> *  Plot colorbar
> *
>   'set strsiz 0.12 0.13'
>   num = 0
>   while (num<cnum)
>     rec = sublin(shdinfo,num+2)
>     col = subwrd(rec,1)
>     hi = subwrd(rec,3)
>     'set line 'col
>     if (vert)
>       yt = yb + ywid
>     else
>       xr = xl + xwid
>     endif
>     'draw recf 'xl' 'yb' 'xr' 'yt
>     if (num<cnum-1)
>       if (vert)
>         'draw string '%(xr+0.05)%' 'yt' 'hi
>       else
>         'draw string 'xr' '%(yb-0.05)%' 'hi
>       endif
>     endif
>     num = num + 1
>     if (vert); yb = yt;
>     else; xl = xr; endif;
>   endwhile
>
>
> On Sun, Dec 28, 2014 at 9:45 PM, Stephen McMillan <
> smcmillan at planalytics.com> wrote:
>
>> Yes, you should be able to do it for temperatures against time.
>> Regarding your "issue with running the char"...it would help if you
>> provided a sample of your script that has the issue, as well as the result
>> (image and/or screen result).  Otherwise, I would have to guess what you
>> mean.
>> Stephen
>>
>> On Sun, Dec 28, 2014 at 6:31 PM, <mfinlayson at wesleyan.edu> wrote:
>>
>>> I also have an issue with running the char. I can see the shaded colors
>>> but not the numerical values that correspond with them.
>>>
>>>
>>> On Dec 28, 2014, at 1:41 PM, Stephen McMillan <smcmillan at planalytics.com>
>>> wrote:
>>>
>>> Marjahn,
>>> Are you trying to plot lat/lon labels, or something else?  If lat/lon,
>>> and you're using nps or sps projection, you won't get them.  Use 'set mproj
>>> latlon' instead.  Otherwise, you can use 'draw string...' function to draw
>>> them.
>>> Stephen
>>>
>>> On Sun, Dec 28, 2014 at 1:26 PM, Marjahn Finlayson <
>>> mfinlayson at wesleyan.edu> wrote:
>>>
>>>> Hey everyone,
>>>>
>>>> I'm trying to plot data in grads, but the numerical labels in the xlab
>>>> and ylab do not appear whenever I create charts or maps.
>>>> I've tried the 'set xlab on' function and nothing's happened.
>>>> Help!
>>>>
>>>>
>>>>
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>>
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>
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