Thanks Stephen, I tried with and w/o the "=", but no joy. Daniel - thanks for your suggestion to use the AGG RGBA mode, but still no luck there either.
Varun - thanks for the reply, but opacity isn't exactly what I'm after. That effects everything in the layer, I just want a transparent background. It seems like my OUTPUTFORMAT is being ignored. I have it just at the MAP level, not within the WEB section or within a LAYER definition, which I believe to be correct. I am using this layer to highlight selected features in an OpenLayers interface. So it lies above another (background) layer and needs to be transparent so that the background layer is visible. I'm pretty confident that I'm getting a PNG image, because that's what FireFox tells me. I'm using MODE=MAP, but I also tried MODE=BROWSE and saved the images and examined them in Photoshop. When I set TRANSPARENT ON in the MAP section of my map file I get what I want - a PNG in which the background is transparent, but when I set FORMATOPTION "TRANSPARENT=ON" in an OUTPUTFORMAT definition, I get a PHG with a non-transparent white background. Thanks for all of your replies, Rich On Fri, Oct 16, 2009 at 3:17 PM, Stephen Woodbridge <[email protected]> wrote: > Richard, > > Try: > > FORMATOPTION "TRANSPARENT=ON" > > -Steve W > > Richard Greenwood wrote: >> >> I have been using TRANSPARENT ON in the MAP section of my map file, >> but the documentation says that is deprecated and to use the >> FORMATOPTION. I'm trying to do this, but not getting transparent >> images back. I am creating PNG images with MapServer 5.4.2. My output >> format is as follows: >> >> OUTPUTFORMAT >> NAME png >> DRIVER "GD/PNG" >> MIMETYPE "image/png" >> IMAGEMODE PC256 >> EXTENSION "png" >> FORMATOPTION "TRANSPARENT ON" >> END >> >> What am I missing? >> >> Thanks, > > -- Richard Greenwood [email protected] www.greenwoodmap.com _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
