Re: cairo terminals and aspect ratio

[<tim...@lp...>]

Ethan A Merritt a écrit :
> On Monday 19 November 2007 23:23, you wrote:
>   
>>> It looks like the aspect ratio code is broken in
>>> all of the cairo-based terminals including wxt.
>>>       
>> term->xmax and term->ymax are updated in *_graphics(), the latter also 
>> calls *_set_font() which sets term->h_tic, v_tic, v_char, h_char, based 
>> on the font size.
>>
>> For me it works:
>>
>> set term wxt
>> set size square
>> set polar
>> plot 1
>>
>> ...gives a square circle.
>> Could you give the whole sequence of commands you use ?
>>     
>
> lascaux [1007] ./gnuplot
>
>         G N U P L O T
>         Version 4.3 patchlevel CVS-16Nov2007
>         last modified Sun Nov 18 20:51:17 PST 2007
>         System: Linux 2.6.12-24mdksmp
>
>         Copyright (C) 1986 - 1993, 1998, 2004, 2007
>         Thomas Williams, Colin Kelley and many others
>
>         Type `help` to access the on-line reference manual.
>         The gnuplot FAQ is available from
>                 http://www.gnuplot.info/faq/
>
>         Send comments and help requests to  <gnu...@li...>
>         Send bug reports and suggestions to <gnu...@li...>
>
>
> Terminal type set to 'wxt'
> gnuplot> set size square
> gnuplot> plot sin(x)
> gnuplot> set term pngcairo
> Terminal type set to 'pngcairo'
> Options are ' size 640, 480 '
> gnuplot> set output 'pngcairo_1.png'
> gnuplot> replot
> gnuplot> show size
>
>         size is scaled by 1,1
>         Try to set aspect ratio to 1:1.0
>
>   
>> And it works in pfdcairo and pngcairo too...
>>     
>
> I got your command sequence to work using a 1 Aug 2007 build
> from CVS, but it does not work using the current cvs. 
> Something must have broken.   
>
> I guess I'll have to sample from the cvs tree for the last 
> 3 months and see what happened.
>   

Hmm, I just tried with current CVS and I get the said problem. The 
previous version I had was only a few days old.

Timothée