[mapserver-users] background map image

[Lowell Filak]

If it is actually an image layer you should be able to use the offsite member/parameter to have mapserver merge the layers and assign the transparent color accordingly.
Lowell F.

The following message was sent by Joe Bussell <joe at otsys.com> on Fri, 26 Apr 2002 09:51:18 -0700.

> In an attempt to speed up map rendering for our site we opted to build a
> set of tiles for the static elements of the data (streets, cities,
> water) which would serve as background images for more frequently
> updated data.  The dhtml route of creating a transparent PNG file to
> overlay on top of the map fails for Netscape4.* which apparently has
> poor support for transparent PNG files.
> 
> The next choice would be to use other means to combine the images before
> they leave the server.  Is there a method for creating a map with
> another image as its background using mapserver?  Would this be better 
> accomplished using GD.pm?
> 
> Joe Bussell
> On Time Systems