Anti Aliasing

[Steve Lime]

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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