[mapserver-users] Polygon Outline Color Width Fade Howto?

[Stephen Woodbridge]

Hi all,

I want to render and island polygon with a big fat outline color in a 
dark blue the fades in distance from the island. I'm using AGG and I 
tried this:

  LAYER
    NAME "Islands"
    STATUS DEFAULT
    DATA "coast"
    TYPE POLYGON
    LABELITEM "ISLAND"
    LABELCACHE OFF
    CLASS
      STYLE
        SYMBOL "circle"
        OUTLINECOLOR 0 192 243
        SIZE 20
      END
      STYLE
        COLOR 242 239 233
      END
    END
  END

Which sort of works but there is very little fade.

If I use:

      STYLE
        OUTLINECOLOR 0 192 243
        WIDTH 20
      END

I get horrible artifacts all along the outline. Is there a way to 
control the amount of fade in the outline. Can I make a transparent ball 
that fades with radius to achieve this?

Thanks,
  -Steve
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