white space around image

Henrique Barbosa hmjbarbosa at GMAIL.COM
Mon Sep 3 10:57:01 EDT 2007


Hi John,

You could also use 'set parea' to set the grads drawing area so that
there is no white space left... I mean, only enough to draw the axis
titles.

Cheers,
Henrique

On 8/30/07, Mary Jo Nath <Mary-Jo.Nath at noaa.gov> wrote:
>
>  You could use "gxeps" to convert the metafile to encapsulated postscript.
> This differs from "gxps" in that it trims the excess white space.
>
>  Also, like Ivan said,  ImageMagick software is really useful.  The
> "convert" command can operate on various file formats.  Among its many
> options is a "-trim" option to remove excess white space.  You probably
> would need to use a few other option, though, to control the resolution and
> quality of the image. ("+antialias", "-density", "-resize" are few that I
> use often on grads images.)
>
>  MJ
>
>
>
> Ertl, John C CIV 63134 wrote:
>
>
> Classification: UNCLASSIFIED
>  Caveat (s): FOUO
>
> One more problem for today....
>
> I have gotten the plots to look great but I have bunch of white space around
> the plot.  Is there a way for GrADS to produce an image that does not have
> all of the white space around it.  I have to make the image about 3in by 3in
> and the extra white space makes the plot even harder to read.  I might be
> able to do this post process but I would rather get it in GrADS.  I was
> thinking maybe setting the plot size to be the same size as the page size
> but....any ideas.
>
>
> Thanks again for the great help
>
>
> John Ertl
> Meteorologist
>
> FNMOC
> 7 Grace Hopper Ave.
> Monterey, CA 93943
> (831) 656-5704
> john.ertl at navy.mil
>
>
> Classification: UNCLASSIFIED
>  Caveat (s): FOUO
>
>  ________________________________
>  From: Mary Jo Nath
>  Sent: Wed 8/29/2007 8:38 AM
>  To: GRADSUSR at LIST.CINECA.IT
>  Subject: Re: adding text to images
>
>
>  John,
>
> I'd use a grads script to return the XY coordinates of the sides of the
> plot using "q gxinfo", then use "draw string" to plot labels relative to
> the 4 corners. Include something like this to get the X and Y values
> of the sides of the plots:
>
> 'q gxinfo'
> xvalues=sublin(result,3)
> yvalues=sublin(result,4)
> * xl = plot starts xl inches from left
> * xr = plot ends xr inches from left
> * yb = plot starts yb inches from bottom
> * yt = plot ends yt inches from bottom
> xl=subwrd(xvalues,4)
> xr=subwrd(xvalues,6)
> yb=subwrd(yvalues,4)
> yt=subwrd(yvalues,6)
>
>
> The lower left corner of the plot would be at "xl" "yb". Upper left at
> "xl" "yt". Upper right "xr" "yt". Lower right "xr" "yb".
>
> MJ
>
> Ertl, John C CIV 63134 wrote:
> > All,
> >
> > I have a plot that looks great except that when I change the lat/lon
> > of the plot area the image resizes and some of the labels that I have
> > placed (using draw string) in the corners of the image now no longer
> > draw in the correct place (I guess they draw in the same place but the
> > image has changed its dimensions. How can I have a label show up in
> > the plotted area and stay in the corner even when the plotted area
> > changes.
> >
> > Thanks
> >
> > John Ertl
>
>



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