Thematic classification of joined table field
Stephen Woodbridge
woodbri at SWOODBRIDGE.COM
Mon Jun 18 12:14:43 PDT 2007
Παρασός Δημήτρης wrote:
> Hi everyone!!
>
> I'm a new ms4w mapserver user. I need to develop a web map application,
> serving
> one shapefile
> joined with an MS SQL Server flat table.
> The polygon shapefile has a 1-1 relationship with the DB table.
> I need to have the polygon shapefile thematic classified based on a
> joined table field. So far I managed to install/create mapfile/create new
> map service/perform the join/deploy new map sites using FIST. So
> I have a working map service but I'm stuck in displaying the polygons
> classified
> based on the joined attributes.
>
> Is thematic classification based on joined field values supported?
>
> thanks in advance
> Dimitris Parasos
> Rhodes-Hellas
Dimitris,
Mapserver has NO native join support when rendering a shapefile.
The ideal way to do this is via PostGIS.
Another option might be using JOINs in OGR, OGR is part of the GDAL
library and tools.
-Steve W
More information about the MapServer-users
mailing list