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

[valerio vianello]

Dear Till,

Thanks for the suggestion.

But with variable substitution I am able to specify only one parameter like

EXPRESSION ([FNR]=%myid%)
. 

in this case on the map will be shown only one point (if myid is unique) or a group of points (if myid is shared among them)

in my case I want show the points with myid1,myid2,myid3...

how I should set this into the mapfile ?

regards

Valerio
--- Gio 28/8/08, Till Adams <adams at terrestris.de> ha scritto:
Da: Till Adams <adams at terrestris.de>
Oggetto: Re: [mapserver-users] show only some point on the map
A: valerio.vianello at yahoo.it
Cc: "mapserver" <mapserver-users at lists.osgeo.org>
Data: Giovedì 28 agosto 2008, 09:35

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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