Hatching a polygon

[Jim White]

We use cross-hatched polygons on our site that display the underlying map behind the cross-hatch. Hope this part of our mapfile
is useful.


  OUTPUTFORMAT
    NAME mypng
    DRIVER "GD/PNG"
    MIMETYPE "image/png"
    IMAGEMODE rgba
    EXTENSION "png"
    TRANSPARENT ON
  END


  SYMBOL
    NAME 'hatch-lines'
    TYPE HATCH
  END

    TYPE POLYGON
    TRANSPARENCY alpha
    CLASS
      STYLE
        SYMBOL 'hatch-lines'
        COLOR 255 0 0
        ANGLE 60
        SIZE 10
        WIDTH 2
      END
      STYLE
        WIDTH 2
        OUTLINECOLOR 255 0 0
      END
    END


James White
Programmer
Biodiversity and Spatial Information Center
North Carolina State University
www.basic.ncsu.edu