[mapserver-users] LABEL_NO_CLIP

Stephen Woodbridge stephenwoodbridge37 at gmail.com
Tue Jul 3 06:16:57 PDT 2018


If you are using mapcache then the label should get drawn once per 
metatile. So in a scene you might have the label more than once but not 
in every tile.

When you are rendering tiles mapserver has no knowledge of what was 
drawn in other requests or even if there were other request. so what you 
are asking for is not possible. The best you can hope for is a strategy 
like the LABEL_NO_CLIP=true or using something like mapcache and 
metatiles. The other option is to draw the whole image as a single tile 
rather than tiling the image.

-Steve W

On 7/3/2018 7:46 AM, Robert Vogt wrote:
>
> Good morning!!
>
> Mapserver is drawing some pretty big polygons for me and a lot of the 
> time the label, because I have LABEL_NO_CLIP=true, is drawn in the 
> center of the
>
> Polygon and falls off the map until I zoom out or pan over.
>
> If I set LABEL_NO_CLIP to false then the label shows in each tile 
> which I don’t want…I really just want the label to show up at the 
> center of the visible area and move to the center of the
>
> polygon as I pan or zoom out.
>
> Is there a way to accomplish this with MapServer?
>
>
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