Anti Aliasing

[Zhonghai Wang]

Hi,

I am interested in this question, and I've tried like this:

*****
OUTPUTFORMAT
    NAME "PNG"
    MIMETYPE "image/PNG"
    DRIVER "GD/PNG"
    EXTENSION "PNG"
    IMAGEMODE RGBA
    TRANSPARENCY ALPHA
  END
*****
I've noticed that there is no PNG24 output image format in the mapfile
reference document, and therefore I've used PNG.

but, I get the followig error message:

loadOutputFormat(): Unknown identifier. Parsing error near
(TRANSPARENCY):(line 114)

which means I caon only use TRANSPARENT as the the identifier as listed in
the mapfile reference document, and this parameter can only be truned on or
off.

any further ideas, Steve?

1000 thanks.

zhonghai


On 5/16/06, ramesh karra <karrarm at yahoo.com> wrote:
>
> 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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