Transparent pixmaps in Mapserver 4.4.1

[Sean Gillies]

On Jan 27, 2005, at 3:42 PM, Camden Daily wrote:

> Thanks Sean.  I'll make a bugzilla report for the MS_ALPHA value.
>
> The image I'm outputting is a 24bit jpeg.  So I need to get the
> 'transparency alpha' to work properly.
>
> My symbol definition is
>
>   SYMBOL
>     NAME 'house'
>     TYPE PIXMAP
>     IMAGE 'images/house.png'
>     TRANSPARENT 0
>   END
>
> Do I need the 'transparent 0' line, if the png file itself has a
> transparent background?  Commenting it out doesn't resolve my issue,
> but I'm not entirely certain what it's for.
>
>

Take a look at the unit testing data under mapserver-4.4.0/tests.  The
RGB test.png file is the end result of using test.map, symbols.txt,
home.png, and xmarks.png.

Sean


--
Sean Gillies
sgillies at frii dot com
http://users.frii.com/sgillies