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Define a fixed plot size and position

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  Define a fixed plot size and position Hermann Peifer <peifer@gmx.eu> - 2012-02-15 07:11 +0100
    Re: Define a fixed plot size and position sfeam <sfeam@users.sourceforge.net> - 2012-02-14 23:11 -0800
      Re: Define a fixed plot size and position Hermann Peifer <peifer@gmx.eu> - 2012-02-15 12:49 +0100
        Re: Define a fixed plot size and position Hermann Peifer <peifer@gmx.eu> - 2012-02-15 13:48 +0100

#942 — Define a fixed plot size and position

Hi All,

I would like to define a 500x500 plot size, and its upper right corner 
should be positioned exactly in the upper right corner of a 600x600 png 
file. set size <XX>, <YY> gives me some control, but it fills the lower 
left quarter of this canvas :-(

One of the issues I want to solve is that the y-axis keeps moving to the 
right, depending on the length of the ytic labels.

Any help is appreciated.

Hermann

G N U P L O T
Version 4.5 patchlevel 0
last modified 2011-08-15
System: Linux 2.6.32-5-amd64

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#943

Hermann Peifer wrote:

> Hi All,
> 
> I would like to define a 500x500 plot size, and its upper right corner
> should be positioned exactly in the upper right corner of a 600x600
> png file. set size <XX>, <YY> gives me some control, but it fills the
> lower left quarter of this canvas :-(

maybe you want

set size 500./600., 500./600.
set origin 100./600., 100./600.

That defines the drawing area, but doesn't say exactly where in the
drawing area the plot boundaries lie.
 
> One of the issues I want to solve is that the y-axis keeps moving to
> the right, depending on the length of the ytic labels.

Or maybe you don't want size and origin at all, but instead 

   set term png size 600,600
   set tmargin at screen 600./600.
   set rmargin at screen 600./600.
   set bmargin at screen 100./600.
   set lmargin at screen 100./600.


> 
> Any help is appreciated.
> 
> Hermann
> 
> G N U P L O T
> Version 4.5 patchlevel 0
> last modified 2011-08-15
> System: Linux 2.6.32-5-amd64

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#944

On 15/02/2012 08:11, sfeam wrote:
>
> Or maybe you don't want size and origin at all, but instead
>
>     set term png size 600,600
>     set tmargin at screen 600./600.
>     set rmargin at screen 600./600.
>     set bmargin at screen 100./600.
>     set lmargin at screen 100./600.
>

Thanks. This looks promising. I will try.

Is there also a convenient way to stretch the lower left corner of the 
plot to the lower left corner of the png file? So far, my idea was to 
use convert to do the clipping.

I want to georeference my plots later and use them as overlays for map 
data. So I want to be sure that, say: 500 pixels in the png correspond 
to 5000 metres in the background map.

Hermann

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#945

On 15/02/2012 12:49, Hermann Peifer wrote:
> On 15/02/2012 08:11, sfeam wrote:
>>
>> Or maybe you don't want size and origin at all, but instead
>>
>> set term png size 600,600
>> set tmargin at screen 600./600.
>> set rmargin at screen 600./600.
>> set bmargin at screen 100./600.
>> set lmargin at screen 100./600.
>>
>
> Thanks. This looks promising. I will try.
>
> Is there also a convenient way to stretch the lower left corner of the
> plot to the lower left corner of the png file? So far, my idea was to
> use convert to do the clipping.
>

Silly me. Obviously, you gave the answer already. Hermann

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