mapserver上使用mapfile的透明标签

  LAYER
  OPACITY 20
  NAME "copyright"                   
  METADATA
    "wms_title"     "copyright"
  END
  STATUS DEFAULT
  TYPE ANNOTATION

  TRANSFORM ll 
  FEATURE
    POINTS
      220 -220 
    END
    TEXT "Sample Image" 
  END
  CLASS
    LABEL 
      FONT "ARIAL"
      TYPE TRUETYPE
      SIZE 30
      BUFFER 1
      COLOR 60 60 60
      FORCE TRUE
      ANGLE 40
    END
  END
  UNITS PIXELS 
END

提前通知