Hi Michael, A similar problem has already been reported. tbonfort, danmo and I are currently working on that.
http://trac.osgeo.org/mapserver/ticket/3157 Thanks Alan On October 9, 2009 06:46:43 am Michael Schulz wrote: > Hi Steve, Hi Alan, > > while I was trying to put together a test case, I realized where the > problem is: the use of sizeunits! The labels were drawn with sizeunits > set to meters, so it seems that the calculation of the distance of the > labels in pixel in this case goes wrong . Maybe this information helps > to find out, what causes the effect. > > Cheers, Michael > > 2009/10/2 Michael Schulz <[email protected]>: > > Hi Steve, Hi Alan, > > > > exactly, that was the change I also noted in trac. When I realized the > > effect, I reverted the last condition in maplabel.c. line 515, to its > > previous state, only comparing the distance of the points with > > mindistance. With the expected results, that I even got some more > > labels. So basically the change is working, but I see a lot more > > labels than with 54. > > > > Here are three screenshots of the effect: > > - http://img35.imageshack.us/img35/7871/mindistlabelsms54.png > > - http://img39.imageshack.us/img39/1130/mindistlabelsms56.png > > - http://img32.imageshack.us/img32/5196/mindistlabelsms56wolabe.png > > (MS56 without taking the labelsize into account) > > > > The maps are based on the osm data example, and as you can see it > > renders flawlessly with mapserver 54. Maybe someone who also uses this > > example can have a try with mapserv56 and see if it is the same. The > > mindistance used is 150 px. The calls to images were getMap requests. > > > > Thanks, Michael > > > > 2009/10/1 Steve Lime <[email protected]>: > >> Michael, can you describe the effect you're seeing? The change Alan > >> refers to should cause you to see fewer labels but your original message > >> leads me to believe that's not the case. If you remove that option with > >> the 5.6 beta does the map look different? > >> > >> Steve > >> > >>>>> Alan Boudreault <[email protected]> 10/01/09 10:49 AM >>> > >> > >> In fact, that ticket changed the label distance calculation. Before, > >> only the distance between label1 point and label2 point was calculated. > >> Now, the label size is taken into account for the distance calculation. > >> So, we are now sure that there is really the "mindistance" value between > >> our labels. > >> > >> Thanks, > >> Alan > >> > >> On October 1, 2009 10:20:11 am Alan Boudreault wrote: > >>> Hi, > >>> > >>> Could you check that ticket please: > >>> http://trac.osgeo.org/mapserver/ticket/3050 > >>> > >>> Let me informed. > >>> > >>> Thanks, > >>> Alan > >>> > >>> On October 1, 2009 10:12:57 am Steve Lime wrote: > >>> > I'm not aware of any changes in that area of the code although > >>> > something tells me there was a small change but will try and create a > >>> > test case. Thanks for the testing... > >>> > > >>> > Steve > >>> > > >>> > >>> Michael Schulz <[email protected]> 09/30/09 5:32 AM >>> > >>> > > >>> > Hi, > >>> > > >>> > thanks for the 5.6 beta1. I'm pretty curious about the new mapfile > >>> > xml-format. > >>> > > >>> > I have a mapfile that uses MINDISTANCE in label objects, the maps and > >>> > labels are generated fine with mapserver- 5.4, with > >>> > mapserver-5.6-beta1 the MINDISTANCE value seems not to be taken into > >>> > account. Can anyone confirm this behaviour? > >>> > > >>> > Cheers, Michael > >> > >> -- > >> Alan Boudreault > >> Mapgears > >> http://www.mapgears.com > >> _______________________________________________ > >> 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 > > > > -- > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Aufwind durch Wissen! > > > > Qualifizierte Open Source Schulungen bei der > > http://www.foss-akademie.de/ > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > ----------------------------------------------------------- > > Michael Schulz > > [email protected] > > > > in medias res > > Gesellschaft für Informationstechnologie mbH > > > > +++ Bitte beachten Sie unsere neue Adresse und Durchwahl +++ > > > > Schwimmbadstraße 2 > > D-79100 Freiburg i. Br. > > > > Tel: +49 (0)761 705798-102 > > Tel: +49 (0)761 705798-0 > > Fax: +49 (0)761 705798-09 > > > > +++ Bitte beachten Sie unsere neue Adresse und Durchwahl +++ > > > > http://www.webgis.de / http://www.zopecms.de > > -------------------------------------------------------------- > > Geschäftsführer: Stefan Giese, Dr. Christof Lindenbeck > > Eingetragen im Handelsregister HRB 5930 beim Amtsgericht Freiburg > -- Alan Boudreault Mapgears http://www.mapgears.com _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
