Anti Aliasing

[ramesh karra]

Thanks steve!

I have upgraded to 4.8.3 and the roads/lines are
smooth... Looks really good.

Thanks
Ramesh

--- Steve Lime <Steve.Lime at DNR.STATE.MN.US> wrote:

> You need 4.8 or later to use antialiasing... ;-)
> 
> >>> ramesh karra <karrarm at yahoo.com> 5/16/2006
> 1:35:15 PM >>>
> Thanks steve!
> 
> I made the changes you suggested but I started
> getting
> script errors. It looks like the errors are due to
> 'PNG24'. I am using Mapserver 4.6. Do I need to use
> 4.8 or later to successfully use PNG24?
> 
> Thanks
> Krishna
> 
> --- Steve Lime <Steve.Lime at DNR.STATE.MN.US> wrote:
> 
> > You need a couple of other things:
> > 
> >   - a 24-bit output format (e.g. IMAGETYPE PNG24)
> >   - alpha blending turned on for the layer (e.g.
> > TRANSPARENCY ALPHA)
> > 
> > That should get it working...
> > 
> > Steve
> > 
> > Stephen Lime
> > Data & Applications Manager
> > 
> > Minnesota DNR
> > 500 Lafayette Road
> > St. Paul, MN 55155
> > 651-259-5473
> > >>> ramesh karra <karrarm at YAHOO.COM> 05/15/06 6:49
> > PM >>>
> > Hi,
> > 
> > I have added 'ANTIALIAS TRUE' to all my STYLE
> > objects
> > but I do not see any difference in the map that's
> > displayed. I was hoping to see smooth lines but
> > there
> > was no difference in the way lines(representing
> > roads)
> > are drawn with or without anti-aliasing. Is this
> the
> > expected behavior? How can I get smooth lines?
> > 
> > My layer is defined as follows:
> > 
> > LAYER  
> >     NAME         roads
> >     DATA         droad1
> >     STATUS       OFF
> >     TYPE         LINE
> > 
> >     PROJECTION
> >  	 "init=epsg:4326"
> >     END 
> >   
> >     CLASS
> >       NAME       "Roads"
> >       MAXSCALE     80000
> >       MINSCALE     20000
> >       STYLE
> > 	ANTIALIAS    TRUE
> > 	COLOR	     150 150 150
> > 	WIDTH        3
> >       END  
> >       STYLE
> > 	ANTIALIAS    TRUE
> >         COLOR	     255 255 255
> > 	WIDTH        1
> >       END   
> >     END
> > END
> > 
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