Arabic labels are rendered correctly in gt-2.5.2... the problem appears only in
gt-2.5.1
--- On Mon, 1/19/09, Ahmad Al-Obaidy <[email protected]> wrote:
From: Ahmad Al-Obaidy <[email protected]>
Subject: Re: [Geoserver-devel] Problem in Rendering Arabic Labels
To: "Justin Deoliveira" <[email protected]>
Cc: [email protected], "Andrea Aime" <[email protected]>
Date: Monday, January 19, 2009, 5:07 PM
to be accurate, I am using gt-2.5 not geoserver
--- On Sun, 1/18/09, Justin Deoliveira <[email protected]> wrote:
From: Justin Deoliveira <[email protected]>
Subject: Re: [Geoserver-devel] Problem in Rendering Arabic Labels
To: "Ahmad Al-Obaidy" <[email protected]>
Cc: [email protected], "Andrea Aime" <[email protected]>
Date: Sunday, January 18, 2009, 12:21 AM
Actually maybe it is not the new labeller... I believe it is only the default
in the up coming 1.7.2 release. Regardless... andrea should be able to better
comment.
-Justin
Ahmad Al-Obaidy wrote:
> I don't really know about the new labeler, but the old one was able
to render arabic labels correctly...
>
> There is good case, and sample shape file in
> http://jira.codehaus.org/browse/GEOS-1369
>
> --- On *Sat, 1/17/09, Justin Deoliveira /<[email protected]>/* wrote:
>
>
> From: Justin Deoliveira <[email protected]>
> Subject: Re: [Geoserver-devel] Problem in Rendering Arabic Labels
> To: "Ahmad Al-Obaidy" <[email protected]>
> Cc: "Andrea Aime" <[email protected]>,
> [email protected]
> Date: Saturday, January 17, 2009, 12:50 AM
>
> Hmmm... I wonder if this is a regression that has come out of using
> the new labeler?
>
> Ahmad Al-Obaidy wrote:
> > The bug seems to exists again in the gt-2.5 :(
> >
> > --- On *Mon, 10/8/07, Andrea Aime /<[email protected]
> </mc/[email protected]>>/* wrote:
> >
> >
> > From: Andrea Aime <[email protected]
> </mc/[email protected]>>
> > Subject: Re: [Geoserver-devel] Problem in Rendering Arabic Labels
> > To: "Ahmad Al-Obaidy" <[email protected]
> </mc/[email protected]>>
> > Cc: [email protected]
> </mc/[email protected]>
> > Date: Monday, October 8, 2007, 7:57 PM
> >
> > Ahmad Al-Obaidy ha scritto:
> > > Hi Andrea,
> > > Thank you for being interested...
> > >
>
> > I can gratefully provide sample data, the expected output and
> > test any patch....
> > >
> > > And even try to fix it out with some help
> > >
> > > As for the problem, I think it came from the Geotools
> LiteRenderer...
> > >
> > > I tried to hack the code... And it seems LiteRenderer is using
> > Graphics2D for rendering maps...
> > > I tested the Graphics2D and it work just fine with Arabic text
>
> using drawString...
> > >
> > > I didn't figure out the code responsible for draw
> labels... but
> > what I had conclude is LiteRenderer is rendering each letter
> > separately... and this bring the problem in...
> > >
> > > Because Arabic text is written in script manner and from
> right to
> > left rather than in separate manner and left to right like Latin
> > alphabets...
> >
> >
Ahmad,
> > in GeoTools we cannot use drawString directly because we need
> a set
> > of informations that only GlyphVector can provide (we use
> them to draw
> > halos, and to perform label collision detection and avoidance).
> > The method we were using so far to build worked for most
> fonts, but
> > not for Arabic and a few others. I tried to fix it without
> giving up
> > too much performance in the western case, but I'm not sure
> about the
>
> results.
> >
> > Can you have a look at
> > http://jira.codehaus.org/secure/attachment/29786/arabic.png
> (attached to
> > http://jira.codehaus.org/browse/GEOS-1369) and tell me if
> this is fine?
> >
> > Cheers
> > Andrea
> >
> >
> >
>
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> >
> >
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> </mc/[email protected]>
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>
> -- Justin Deoliveira
> OpenGeo - http://opengeo.org
> Enterprise support for open source geospatial.
>
>
>
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-- Justin
Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
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