Re: Vertical centering inconsistency

[m s. <mw...@us...>]

> ----- Original Message -----
> From: "Ethan A Merritt" <merritt@u.washington.edu>
> To: "m sutton" <mw...@us...>
> Subject: Vertical centering inconsistency [was: Splot map and gd.trm bugs=
 (long)]
> Date: Fri, 22 Dec 2006 16:12:08 -0800
>=20
>=20
> On Thursday 21 December 2006 14:49, m sutton wrote:
>=20
> I am going to have to think about this for a while. I am not sure
> that your expectations for vertical centering are matched by core code.
>=20

I did some investigating.  I found that the X11, CGM and Postscript enhance=
d will do vertical centering.  PNG (gd), Postscript, and EMF do not do vert=
ical centering.

This appears to be a terminal dependent issue.  I noticed this because I mo=
stly use X11 and PNG (gd).  Perhaps wrongly, I was expecting to get the sam=
e basic behavior for placing labels.

I'm leaning towards having terminals use the "current" font height when pla=
cing labels instead of the font height associated with the "set term" comma=
nd.  I also think the offset parameter for labels should use the "current" =
font metrics.

Mike Sutton


--=20
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