[mapserver-users] mapserver user can not make the point layer show ,

[Stephen Woodbridge]

Hi 李杨;

It is likely that you points are showing, but that you can not see them 
as they are only one pixel large. Try this:

SYMBOL
   NAME "circle"
   TYPE ELLIPSE
   FILLED TRUE
   POINTS 1 1 END
END


LAYER
   STATUS ON
   TYPE POINT
   CONNECTIONTYPE postgis
   CONNECTION "host=localhost dbname=osm user=osm password=osm port=5432"
   NAME "places0"
   DATA "geometry from osm_new_places using unique osm_id using SRID=3857"
   CLASS
     COLOR 100 255 80
     SYMBOL "circle"
     SIZE 5
   END
END

-Steve W

On 8/29/2012 2:00 PM, 李杨 wrote:
> I have a question.
>
> I set the mapfile to load postgis data. but I found that the layers of
> points can not show but lines layer can show. I don 't know why.
>
> for example :
>
> my mapfile is like this:
> -------------------------------------------
>
> MAP
> NAME places
> STATUS ON
> SIZE 800 800
> EXTENT -8013001.590032 5036601.758317 -7907306.249345 5178361.105787
> #EXTENT -8006189.467511 5068117.258598 -7920667.499041 5175889.025208
> UNITS METERS
>
> IMAGECOLOR 100 100 100
> WEB
> IMAGEPATH "/var/www/output/"
> IMAGEURL "/output/"
> END
>
> PROJECTION
>     "init=epsg:3857"
>
> END
>
> LAYER
>   STATUS ON
>   TYPE POINT
>   CONNECTIONTYPE postgis
>   CONNECTION "host=localhost dbname=osm user=osm password=osm port=5432"
>   NAME "places0"
>   DATA "geometry from osm_new_places using unique osm_id using SRID=3857"
>   CLASS
>     COLOR 100 255 80
>   END
> END
>
> LAYER
>   STATUS on
>   TYPE Line
>   CONNECTIONTYPE postgis
>
>   CONNECTION "host=localhost dbname=osm user=osm password=osm port=5432"
>   NAME "railways"
>   DATA "geometry from osm_new_railways using unique osm_id using SRID=3857"
>
>   CLASS
>     COLOR 255 100 80
>
> -------------------------------------------
>
> railways can show but the places0 not show.
>
>
>
>
> --
> Yang Li
> GIS Developer
> P.R.China
>
>
>
>
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