Thanks Blaise but my map file already had that entry. The actual solution is to turn off interlacing as suggested by Jeff Hoffmann.
Cheers, Stephen Le Mardi 27 Juin 2006 08:35, Stephen Davies a =E9crit=A0: > Last week I posted a request regarding comments in JPEGs and their > apparent effect on Motorola 3G telephones. > > Since then I have found that a) the issue seems to affect all WAP phones > and b) it is not just comments that cause the problem. > > It seems that these devices can only handle very simple images and those > generated by Mapserver/GD fall outside their capabilities. > > I have found that, as well as removing the comments from my map images, > I have to go further. > > My current work-around is to use a PERL script to generate the map image > to disk and then use the mogrify utility from Image Magik to "clean" > it. The mogrify command is simply: > > mogrify -quality 100 image.jpg > > but whatever this does to the image is enough to make it displayable on > a telephone when sent as an img src=3D. > > If anybody knows more about what is happening here and/or what the > underlying problem is, I would love to hear it. > > Cheers, > Stephen Davies Hi Stephen Is it working ok with quality 100 jpeg images ? In this case, you could for= ce=20 mapserver to create quality 100 jpeg images with the QUALITY parameter. Che= ck=20 this doc : http://mapserver.gis.umn.edu/docs/reference/mapfile/outputformat/ Regards Blaise -- ======================================================================== This email is for the person(s) identified above, and is confidential to the sender and the person(s). No one else is authorised to use or disseminate this email or its contents. Stephen Davies Consulting Voice: 08-8177 1595 Adelaide, South Australia. Fax: 08-8177 0133 Computing & Network solutions. Mobile:0403 0405 83
