On 20 March 2013 17:49, Worth Lutz <[email protected]> wrote: > I’ve now got labels on my maps when zoomed out but my polygons have no > labels if I zoom in away from the label location. > > I’m using: > > PROCESSING “LABEL_NO_CLIP=True” > > Is this a fixable problem? That's the aim of LABEL_NO_CLIP, i.e. only label a polygon at a single geographical location to prevent the label from a single polygon appearing on every tile if that polygon spans multiple tiles.
YMMV, but you might want to remove LABEL_NO_CLIP and use metatiles on your tile cache (e,g: with a 2x2 metatile, your label would only be rendered in one of every 4 tiles). If you aren't using a tile cache, then there's no easy solution I know of. > > > > Are there any examples of getting labels with mapserver and openlayers using > tiles and multiple overlay layers? If you're using multiple label overlays, there's no way to control collision between the labels from different layers. > > > > I’m still experimenting but still confused. Any help would be appreciated. > > > > Thanks, > > Worth > > > > ________________________________ > > From: Worth Lutz [mailto:[email protected]] > Sent: Tuesday, March 19, 2013 3:39 PM > To: 'Donald Kerr'; '[email protected]' > Subject: RE: [mapserver-users] LABELS - changing from single map to tiles > and overlays - HOW? > > > > Donald, > > > > How does the change to “TYPE POINT” work for polygon shapes or do you just > change that to “TYPE POLYGON” and only have a label in the “CLASS” block? > > > > I’m still confused on how to manage labels on multiple overlay layers. That > may be a long term project for my application. I was hoping for a simple > solution. > > > > I did figure out that putting > > PROCESSING “LABEL_NO_CLIP=True” > > in my layer fixed some of my problems of multiple labels with many clipped. > > > > Thanks for your help, > > Worth > > > > > > ________________________________ > > From: Donald Kerr [mailto:[email protected]] > > Sent: Tuesday, March 19, 2013 3:29 PM > To: 'Worth Lutz'; [email protected] > Subject: RE: [mapserver-users] LABELS - changing from single map to tiles > and overlays - HOW? > > > > Worth, > > > > I have replaced “TYPE ANNOTATION” with “TYPE POINT” and all is working well. > > > > As for tiling and labels, I have not found a satisfactory solution at all > and have accepted that I am getting partial labels or no labels it the label > starts in another tile - See here: > https://github.com/mapserver/mapserver/issues/4284 > > > > What I have done is offered an option of “Single Tile” for users so that > they can switch between tiled and not. The tiled option gives a better > OpenLayers slippy map experience but the single tile option allows for > accurate and complete labelling. > > > > Regards, > > > > Donald > > > > > > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Worth Lutz > Sent: 19 March 2013 14:52 > To: [email protected] > Subject: [mapserver-users] LABELS - changing from single map to tiles and > overlays - HOW? > > > > Hi all, > > > > I’m changing my usage of mapserver from a single map image to using > OpenLayers and having MapServer work as a WMS server. > > > > My problem is labels. There seem to be too many variables (in MapServer and > OpenLayers) and I cannot figure out which to set to keep from having partial > labels, too many labels or overlapping labels. > > > > What is the best way to approach labels in a tiled / overlay environment. > > > > I noticed that in MapServer 6.0 the “annotation” layer type is deprecated. > What is the method for replacing this? > > > > In summary, I’m LOST. Anyone with a map, please point me in the right > direction. J > > > > Thanks, > > Worth > > ________________________________ > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2013.0.2904 / Virus Database: 2641/6188 - Release Date: 03/19/13 > > > _______________________________________________ > 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
