[mapserver-users] Multiple LabelItems using Mapserver 5.2 and Openlayers

[Karl Suiter]

Gerben,

   Thanks!  Setting "OpenLayers.Layer.MapServer.Untiled" did the trick.

Cheers,

Kar

On Fri, Oct 31, 2008 at 12:56 PM, Tiemens, Gerben <
Gerben.Tiemens at grontmij.nl> wrote:

>
> This is can be due to the fact that a label will be printed on a maptile
> and the polygon or line is on both maptiles.  The mapserver will adjust the
> placement of your label to fit on your tile due to your "partials = false"
> and position = auto
>
> Setting openlayers in untiled, or using tilecache with metatiles, will
> solve your problem.
>
> Greetings
> Gerben
>
>
>  ------------------------------
> *Van:* mapserver-users-bounces at lists.osgeo.org [mailto:
> mapserver-users-bounces at lists.osgeo.org] *Namens *Karl Suiter
> *Verzonden:* Friday, October 31, 2008 5:06 PM
> *Aan:* mapserver-users at lists.osgeo.org; users at openlayers.org
> *Onderwerp:* [mapserver-users] Multiple LabelItems using Mapserver 5.2 and
> Openlayers
>
>  Hello All,
>
>   I'm using Mapserver 5.2 and Openlayers 2.6 as my map interface.  When
> called using Openlayers, Mapserver renders two LabelItems when the layer to
> be labels is of type "polygon".  I've sort of fixed this issue by including
> PROCESSING "LABEL_NO_CLIP=1" in the Layer definition.
>
>   So, for the most part, it works OK.  But on some generated maps, I still
> see one Layer that still renders two Labels.
>
>   I then noticed that if I tweaked the OpenLayers "minScale" value when
> defining a new map (see below), I could get suppression of the second label.
>
>    var map = new OpenLayers.Map( 'map', {controls: [], maxExtent: bounds,
> restrictedExtent: bounds, projection:"none", minScale: 10000, units: "m" }
> );  // change the minScale to 15 to suppress the 2nd label
>
>   I would like to remove the minScale variable from the Openlayers map
> definition, but that pesky second LabelItem keeps coming back.
>
>   Has anyone seen/fixed this problem?  Should I create a bug ticket.  FYI -
> I am cross-posting to the OpenLayers listserve to see if anyone there has
> experienced this problem.
>
>   Here is my Layer definition I've been working with:
>
>   LAYER
>     NAME CR01
>     STATUS OFF
>     DATA cr.shp
>     TYPE POLYGON
>     CLASSITEM "FIPS_ADMIN"
>     LABELITEM "ADMIN_NAME"
>     PROCESSING "LABEL_NO_CLIP=1"
>     CLASS
>         NAME "FIPS_ADMIN"
>         EXPRESSION "CR01"
>         COLOR 226 166 166 # E2A6A6
>         OUTLINECOLOR 32 32 32
>           LABEL
>             COLOR 0 0 0
>             TYPE TRUETYPE
>             FONT verdana
>             SIZE 10
>             ANTIALIAS TRUE
>             POSITION AUTO
>             PARTIALS FALSE
>             MINDISTANCE 300
>             BUFFER 4
>           END # end of label
>       END
>   END
>
>
> Thanks!
>
> Karl Suiter
>
>
>
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