[ka-Map-users] PNG tiles created without transparency

Stephen Woodbridge woodbri at swoodbridge.com
Wed Feb 22 13:59:23 EST 2006

You might want to read tile.php, it seems to me that the code sets the 
background color if it is transparent. I'm not positive on this, I was 
reading it for another reason the other night and think I remember that 
this was happening.

-Steve W.

Tyler Mitchell wrote:
> I'm finally getting back to my 'transparency' problems when using 24bit
> PNG and multiple group layers.  My cached images do not have any
> transparency, even though it is specified in my map config - instead the
> 'background' is black.
> If I manually edit the tile, i.e. in GIMP, to remove the background
> colour - it does render just fine.  So I'm guessing this is an issue
> with the php methods used for generating the tiles?? Anyone have hints?
> I also think this is not related at all to the PNGHack issues, is it?  I
> am currently only testing and checking using Firefox.  Will deal with IE
> after I get this working FF first.
> Tyler
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