[mapserver-users] background map image

[Joe Bussell]

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