[mapserver-users] show only some point on the map

Till Adams adams at terrestris.de
Thu Aug 28 00:35:59 PDT 2008


Dear Valerio,

I guess what you need is this:
http://mapserver.gis.umn.edu/docs/reference/mapfile/variable_sub

So add a variable substitution and insert it into your expression in the 
CALL section of your layer.

Regards, Till
> Dear list,
>
> I have this question:
>
> I have a map file in which there is a POINT layer that uses a 
> shapefile as datasource. Is possible with mapserver to do a request to 
> show only some point on the map ?
>
> I know that i can show a group of points or only one point using 
> FILTER and CLASSITEM into the map file but my goal is a bit different. 
> In my case each poi has an ID into the shapefile, and I want make a 
> request to serve  the follow question:
>
> Show on map the poi with ID 3,6,8.
>
> any suggetsion ?
>
> P.S I'm using CGI interface maybe is this possible to do with mapscript ?
>
> thanks everybady
>
> Valerio
>
>
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