transparency of rotated GIF files

[Roy Braam]

Hai,

I've got a question about the transparency of rotated GIF files. Perhaps it's asked a many times but i can't find a answer on the internet.

The layer:
LAYER
    STATUS OFF
    METADATA
        "wms_title"                "somelayer"        
      END
    CONNECTIONTYPE postgis
    NAME "somelayer"
    CONNECTION "user=postgres password=xxxx dbname=xxxx host=xxxxx"
    DATA "the_geom from somelayer"
    #MAXSCALE 100000
    TYPE POINT
    DUMP TRUE
    TEMPLATE bla
    TOLERANCE 10
    TRANSPARENCY alpha
    CLASS
        EXPRESSION ('[s]'="B")
        NAME "Brug"
        STYLE    
            ANGLE [road_direction]
            COLOR 0 0 255
            SYMBOL "bridge.gif"
        END
    END
END

If i don't rotate the image then the image is transparent but if i add the property angle [road_direction] the image rotates fine but isn't transparent any more. How can a i solv this problem?

Tia,

Roy
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