Alan G Isaac venit, vidit, dixit 11.10.2009 17:13:
> Let's make a very simple drawing:
>
> import pyx
> from pyx.canvas import canvas
> from pyx.path import path, moveto, rlineto
> pyx.unit.set(defaultunit='pt')
> mypath = path( moveto(72, 72), rlineto(234, 648))
> cvs = canvas()
> cvs.stroke(mypath)
> cvs.writePSfile('c:/temp/temp.ps')
>
> The result is:
>
> %%BeginPageSetup
> /pgsave save def
> %%EndPageSetup
> 0.566929 setlinewidth
> gsave
> newpath
> 72 72 moveto
> 234 648 rlineto
> stroke
> grestore
> pgsave restore
> showpage
>
> In PostScript, the default linewidth should be 1 pt, right?
> (I realize I can set this explicitly at stroke time;
> I am asking about the default.)
>
> Thanks,
> Alan Isaac
PyX's default linewidth is 0.02 * unit.w_cm, which is 0.566929133858
pts. I don't think the default linewidth should depend on the default
unit (and neither on the output format, be it ps, pdf, whatever else is
to come).
One may argue whether 1pt would be a better overall default, of course.
Cheers,
Michael
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