Re: octave

[John B. Thoo]

On Friday, April 25, 2003, at 02:29 AM, Joanna Remiszewska wrote:

> Hallo!!
> I try to investigate in octave two things:
>
> 1. how to save plotted image

A.S. Hodel sent the following scripts once that I use regularly.

---John.

---------------------cut here------------------------

On Wednesday, January 15, 2003, at 06:50 AM, A S Hodel wrote:

> On Wednesday, January 15, 2003, at 06:59 AM, Pablo Barrera wrote:
>
> > Elijah P Newren wrote:
> > >
> >
> > You must use the gset command. With this command you can pass 
> > directly to
> > gnuplot any "set" command. In order to remove the legend you only need
> >
> > gset nokey
> >
> >
> > gset is also usefull for printing a image in postcript.
> >
> > gset terminal postcript
> > gset output "output_file.ps"
> > plot anything
>
> here's a few scripts I often use for "printing."  printeps is 
> especially  useful if you use LaTeX for document preparation.
>
> These scripts will not work if you use subplot( ... ) to generate 
> multiple plots in a single window.  You will have to use gset commands 
> before using gnuplots multiplot capability.
>
> function printps(filename)
> % function printps(filename)
> % replot screen plot to a file
> % inputs:
> %   filename: string:
> % no argument checking done - this means YOU mark!
>
>   gset terminal postscript color
>   eval(sprintf("gset output '%s'", filename));
>   replot
>   gset terminal x11
> endfunction
>
>
> function printpng(filename,pngsiz,fn)
> % function printpng(filename,pngsiz,fn)
> % replot screen plot to a file
> %
> % inputs:
> %   filename: string:
> %   pngsiz: "small", "medium" (default), or "large"
> %   fn: figure number to convert to png form (default: 0)
> % no argument checking done
>
>   if(nargin < 2)
>     pngsiz = "small";
>   elseif(isempty(pngsiz))
>     pngsiz = "small";
>   endif
>   if(nargin < 3)
>     fn =0;
>   endif
>   figure(fn);
>   cmd = (sprintf(" gset terminal png %s color",pngsiz));
>   eval(cmd);
>   cmd = (sprintf("gset output '%s'", filename));
>   eval(cmd);
>   replot
>   closeplot();
> endfunction
>
> function printeps(filename)
> % function printeps(filename)
> % replot screen plot to a file
> % inputs:
> %   filename: string:
> % no argument checking done - this means YOU mark!
>
>   gset terminal postscript eps color
>   eval(sprintf("gset output '%s'", filename));
>   replot
>   #gset terminal x11
>   closeplot
> endfunction
>
>
>
> A. S. Hodel, Assoc. Prof, Dept. Elect & Comp Eng, Auburn University, 
> AL 36849-5201
> (334) 844-1854 200 Broun Hall address@hidden 
> http://www.eng.auburn.edu/~scotte



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