On Thu, Apr 12, 2012 at 10:24, Thomas Joseph <[email protected]> wrote: > Hi > > Thanks for the quick response > > I also tried PC256 as discussed in the outputformat instruction sheet. > Although the image did look similar to the results from 5.7 and the size was > much smaller it did not render transparent polygons correctly. > > I may have missed something else here. Is there a way to turn off > anti-aliasing with the AGG driver ? Currently no. It could be implemented for simple (1 pixel wide) lines and polygons, contact me if you would like a quote.
regards, thomas > > Thanks again > > > -----Original Message----- > From: thomas bonfort [mailto:[email protected]] > Sent: Thursday, 12 April 2012 7:59 p.m. > To: Thomas Joseph > Cc: [email protected] > Subject: Re: [mapserver-users] Turn off anti-alias Mapserver 6.0 > > On Thu, Apr 12, 2012 at 06:20, Thomas Joseph <[email protected]> > wrote: >> We have recently upgraded from Mapserver 5.7 to 6.0 and although the >> AGG anti-alias lines look great the output image size has increased >> significantly from the previous rendering without anti-alias. I was >> just wondering if there is a way to turn off the anti-alias for >> polyline rendering in Mapserver 6.0. From the documentation it >> appeared that the previous GD driver did not include anti-alias by >> default. We have attempted to switch the outputformat from the new >> default AGG to the previous GD driver using the outputformat directive >> in the map file as shown below. This changed the image size slightly >> suggesting that mapserver was using a different driver to render, >> however the lines were still rendered with anti-alias on and the image >> was still relatively large compared to previous mapserver verison. >> >> >> >> OUTPUTFORMAT >> >> NAME "GDpng" >> >> DRIVER GD/PNG >> >> MIMETYPE "image/png" >> >> IMAGEMODE RGB > GD only supports PC256. If you set imagemode to RGB as here, mapserver will > switch back to AGG. > > -- > thomas > >> >> EXTENSION "png" >> >> END >> >> >> >> Previously in Mapserver 5.7 we did not specify an outputformat we >> simply used IMAGETYPE PNG24 and the output was generated without >> anti-alias. Any suggestions would be greatly appreciated. If you >> need additional information let me know. >> >> >> >> tom >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> ________________________________ >> >> THIS EMAIL IS CONFIDENTIAL. Its use or disclosure by any person other >> than the addressee is unauthorised. Anyone other than the intended >> recipient must not rely on the content of this email or any attachment >> to it. The sender cannot guarantee that this email or any attachment >> to it is free of computer viruses or other conditions which may damage >> or interfere with other computer systems. >> >> ________________________________ >> >> >> _______________________________________________ >> mapserver-users mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/mapserver-users >> > _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
