[mapserver-users] transparent symbol clobbering

[Paul Spencer]

just a guess, try transparency alpha

Cheers

Paul

On 25-Jun-08, at 7:33 PM, Ben Brehmer wrote:

> I have a very simple mapfile to display a bunch of points as PNG  
> symbols.
>
> Problem is that the transparent part of the symbols are clobbering  
> each other with the background color (see attached image). What I  
> would like to see is a whole wack of merged together symbols when  
> they are overlapping without the background color coming through.
>
> Any thoughts as to what could be causing this?
>
> Cheers,
>
> Ben Brehmer
>
>
>
> --------------------------------------------------------
>
> The relevant parts of my very simple map file:
>
> MAP
>
> TRANSPARENT ON
>
> OUTPUTFORMAT
>   NAME PNG24
>   DRIVER "GD/PNG"
>   MIMETYPE "image/png"
>   EXTENSION "png"
>   IMAGEMODE RGBA
>   TRANSPARENT ON
> END
>
> LAYER
>   TRANSPARENCY 100
>   CLASS
>     STYLE
>        SYMBOL "../../htdocs/images/markers/multi_arrow.png"
>        SIZE 32
>     END #STYLE
>   END #CLASS
> ....
> ..
> .
>
> < 
> transparent_symbol_issue 
> .jpg>_______________________________________________
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__________________________________________

    Paul Spencer
    Chief Technology Officer
    DM Solutions Group Inc
    http://www.dmsolutions.ca/