I'm using CGI mapserver, and would like it to return JPEGs when an ortho layer is active, and 8-bit PNGs otherwise.
The CGI reference makes no reference of an exposed IMAGETYPE or equivalent parameter. Variable substitution in the mapfile (IMAGETYPE "%param%") doesn't seem to work. Are there any easy ways to conditionally specify the IMAGETYPE using CGI mapserver, or will I have to preprocess the mapfile? Thanks, Dave Fuhry
