[OSM-dev] Re: Transparency in osm.php and srtm.php

SteveC steve at asklater.com
Thu May 18 10:54:56 BST 2006


* @ 17/05/06 11:04:31 PM nick at hogweed.org wrote:
> OK, transparency should work now.

Hey

Mikel and I were pokig around at xtech and did a similar thing to you.
The problem is that mapserver won't composite the tiles. The only
difference seems to be that the current street tiles are 16 bit png
(with a 8 bit alpha channel presumably) and the php is throwing out 8bit
(presumably indexed) pngs. We couldnt't figure out how to get 16 bit
pngs out of the php.

Any ideas?

have fun,

SteveC steve at asklater.com http://www.asklater.com/steve/




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