[gradsusr] vector arrow on colorbar

[James T. Potemra]

Jonathan,

Not sure why you added the quotes; this is why the script is not working
(for example the function line should not be in quotes).

Jim

On 9/16/14 1:52 PM, Jonathan Wynn Smith wrote:
> Thanks for the link.  In going to the site and implementing the
> suggested syntax, I go the following error:
>
> SET error:  Missing or invalid arguments for ARRSCL option
> Syntax Error:  Invalid Operand
>    'arrow' not a variable or function name
>    Error ocurred at column 1
> DEFINE error:  Invalid expression.
> Unknown command: function
> Non-numeric args to numeric operation
>    Error occurred on line 106
>
> I have the arrow.gs script in the working directory.I added a few more
> quotation marks as you see below:
>
> "set gxout vector"
>
> 'len = 0.3'
> 'scale = 2'
> 'xrit = 8.0'
> 'ybot = 0.5'
> 'set arrscl 'len' 'scale
> 'set arrlab off'
> 'd c*0;skip(c,6,3)'
>
> 'rc = arrow(xrit-0.25,ybot+0.2,len,scale)'
>
> 'function arrow(x,y,len,scale)'
> 'set line 1 1 4'
> 'draw line 'x-len/2.' 'y' 'x+len/2.' 'y
> 'draw line 'x+len/2.-0.05' 'y+0.025' 'x+len/2.' 'y
> 'draw line 'x+len/2.-0.05' 'y-0.025' 'x+len/2.' 'y
> 'set string 1 c'
> 'set strsiz 0.1'
> 'draw string 'x' 'y-0.1' 'scale
> return
>
> 'set string 1 tc 10'
> 'set strsiz .225'
>
>
> What can I do to resolve the error? And following the script is an
> additional set string and set strsiz command for the plot title.  How
> can I have these command print out the title  being that the follow
> set string and a set strsiz command above?
>
> Jonathan
>
> On 9/15/14, M.Mahakur <mmahakur at tropmet.res.in> wrote:
>> http://www.iges.org/grads/gadoc/gradcomdsetarrlab.html
>>
>> ----- Original Message -----
>> From: "Jonathan Wynn Smith" <jwsmith9 at gmail.com>
>> To: "gradsusr" <gradsusr at gradsusr.org>
>> Sent: Monday, September 15, 2014 3:22:56 PM
>> Subject: [gradsusr] vector arrow on colorbar
>>
>>
>>
>>
>> Good evening:
>>
>> When vector arrows are plotted, it seems that the legend arrow is aligned
>> with the colorbar. I have attached a plot showing the arrow on the colorbar.
>> How can I place this on the left or right sides of the plot?
>>
>>
>>
>>
>>
>> --
>>
>> Jonathan Wynn Smith, Ph.D.
>> jonathan.smith at noaa.gov
>> 301-683-0500
>> Postdoctoral Research Associate
>> National Academy of Science/National Research Council Associateship
>> NOAA/NESDIS/STAR/SMCD, #2844
>> 5830 University Research Ct.
>> College Park, MD 20740-3818
>>
>> Lord, you establish peace for us; all that we have accomplished you have
>> done for us. - Isaiah 26:12
>>
>>
>>
>>
>>
>>
>>
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>