Re: [HACKERS] Re: map

From: jwieck(at)debis(dot)com (Jan Wieck)
To: tgl(at)sss(dot)pgh(dot)pa(dot)us (Tom Lane)
Cc: maillist(at)candle(dot)pha(dot)pa(dot)us, hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Re: map
Date: 1999-03-10 20:33:50
Message-ID: m10Kpfq-000EBSC@orion.SAPserv.Hamburg.dsh.de
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>
> Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> writes:
> >> background is not white --- there's a white ring around each
> >> continent thanks to poor antialiasing.
>
> > We force a cream background for that page, no?
>
> It's gray on my browser (Netscape 4.0something). Even if it were
> cream, the background of the gif is *white* not cream, so the ring
> would still be there (maybe a little harder to see though).
>
> Since GIF hasn't got partial transparency, you can't do real
> antialiasing without making the background colors match.
> You're probably best off not using transparency at all, unless
> you forget about antialiasing. (Or is it antialiasing that's
> leaving the near-white pixels there? Maybe it's just sloppy drawing
> of the border of the transparent region?)

Did you take a look at my one? It's using transparency too,
but since I created the image by program, there are only 4
colors at all (plus tranparent). Has it noise too or is it
O.K.?

Jan

--

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#======================================== jwieck(at)debis(dot)com (Jan Wieck) #

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