Rich: it's your IMAGETYPE that you're setting wrong. it should reference one of the agg outputformats, eg IMAGETYPE AGG or IMAGETYPE AGG_Q
thomas On Nov 27, 2007 11:03 PM, rich.fromm <[EMAIL PROTECTED]> wrote: > Summary: I was previously trying to get antialiased lines working with > cartographic symbols and having no luck. I've now switched my rendering > backend from GD to AGG and am still not able to get antialiased lines > working. > > I have downloaded and installed AGG 2.5. I realize that for licensing > reasons, mapserver is currently suggesting AGG 2.4. Might this be > significant? I haven't yet tried this with AGG 2.4, I had thought the issue > was just one of licensing, and not functionality. In case it's at all > relevant, some details of my install and build experience can be found here: > > http://lists.umn.edu/cgi-bin/wa?A2=ind0711&L=mapserver-users&D=1&T=0&O=D&X=5A77662D019C30E09D&Y=nospam420%40yahoo.com&P=52157 > http://www.nabble.com/AGG-install-tf4390828.html#a13979959 > > As suggested by Stephen Woodbridge <[EMAIL PROTECTED]>: > > http://lists.umn.edu/cgi-bin/wa?A2=ind0711&L=mapserver-users&D=1&T=0&O=D&X=5A77662D019C30E09D&Y=nospam420%40yahoo.com&P=51780 > http://www.nabble.com/AGG-docs-%28and-5.0.0-docs-in-general%29---tf4879380.html > > I am using the following as my reference for AGG: > > http://mapserver.gis.umn.edu/docs/howto/agg-rendering-specifics/?searchterm=agg > > There it says: > > --- > All rendering is now done antialiased by default. All ANTIALIAS keywords are > now ignored > --- > > I have narrowed things down to a fairly small testcase, with just a single > line layer: > > LAYER > NAME majhwys > DATA MajHwys > STATUS DEFAULT # DEFAULT means on > TYPE LINE > CLASS > NAME "Major Highways" > STYLE > COLOR 32 32 32 > END > END > END > > I have alternatively tried all three of the suggested PNG OUTPUTFORMAT's > from > that web page (only one at a time, of course): > > OUTPUTFORMAT > NAME 'AGG' > DRIVER AGG/PNG > IMAGEMODE RGB > END > > OUTPUTFORMAT > NAME 'AGG' > DRIVER AGG/PNG > IMAGEMODE RGBA > END > > OUTPUTFORMAT > NAME 'AGG_Q' > DRIVER AGG/PNG > IMAGEMODE RGB > FORMATOPTION "QUANTIZE_FORCE=ON" > FORMATOPTION "QUANTIZE_DITHER=OFF" > FORMATOPTION "QUANTIZE_COLORS=256" > END > > And I have also tried the following suggested OUTPUTFORMAT from > http://mapserver.gis.umn.edu/development/rfc/ms-rfc-32/?searchterm=AGG > > OUTPUTFORMAT > NAME 'AGG_PNG24' > DRIVER AGG/PNG > IMAGEMODE RGB > END > > I have not tried JPEG, as I have not compiled with jpeg support. > > Additionally, I have alternatively tried this: > > IMAGETYPE PNG > > vs. this: > > IMAGETYPE PNG24 > > So 8 permutations total. In none of the cases am I rendering antialiased > lines. > > I tried adding 'ANTIALIAS TRUE' to the STYLE section (contrary to the advice > in the docs), and indeed it does not help. > > Antialiased text (in a more complex example) is working for me. And indeed > I > no longer need the 'ANTIALIAS TRUE' in the corresponding LABEL section like > I > used to with GD. The text is indeed antialiased automatically without it > now, > like the docs claim. > > But I can't get antialiased lines. This is true if I specify no width (and > get lines of width 1), or if I specify a width with the WIDTH parameter in > the > STYLE section. > > See the attached png image which was generated using the first IMAGETYPE and > first OUTPUTFORMAT shown above, and has all of the major highways in all of > CA > and NV drawn with a single pixel width. [I hope this worked, the nabble web > interface to this mailing list isn't all that clear on whether or not it > did...] > > This is with mapserver-5.0.0, running on debian sarge (3.1), served via CGI > with apache2 2.0.54-5sarge1. > > Thanks for any help that anyone might be able to provide. > > - Rich Fromm > > -- > View this message in context: > http://www.nabble.com/antialiased-lines-with-AGG-tf4884770.html#a13980962 > Sent from the Mapserver - User mailing list archive at Nabble.com. >
