Assign special dbf to shapefile {Scanned}

[Siki Zoltan]

Hi,


It is possible to join a shape to an external dbf (see JOIN in the map
file reference), but as far as I know it works in query mode only :(

Bye
Zoltan

On Fri, 7 Jan 2005, Holger Floerke wrote:

> Hi Jacob,
>
> > Why would you not want to join them?
> If the information I would like to present is evaluated at runtime, I have
> to produce a full set of ".shp", ".dbf", "sbx", "sbn", and ".shx" files. The
> shapes always stays the same, but the data is extracted from a database on a
> user's query. I would like to save space by not copying the shape
> information every time.
>
> > unless if you created a join on a dbf, and accessed it separately.
> Is it possible to join external data sources (one or more dbf-files or
> oci-sources) to shape files at runtime with the mapserver-api?
>
> HolgeR
>
>
> Jacob Delfos schrieb:
>
> > Holger,
> >
> > Correct me if I'm wrong, but that would be redefining the definition of
> > a shapefile. As far as I know, a "shapefile" is not the .shp file, but
> > the collection of ".shp", ".dbf", "sbx", "sbn", and ".shx" files. I
> > think you'd have to seriously hack the source of mapserver to do that,
> > unless if you created a join on a dbf, and accessed it separately.
> >
> > Why would you not want to join them? If you have access to MS Excel, it
> > would be as simple as copying a column across. No doubt other software
> > can do the same thing. You would have access to both attributes in one
> > shapefile. What is the actual problem that causes you not to want to
> > have two shapefiles, and not to want to join the attributes?
> >
> > regards,
> >
> > Jacob
> >
> >
> > -----Original Message-----
> > From: UMN MapServer Users List
> > To: MAPSERVER-USERS at LISTS.UMN.EDU
> > Sent: 1/7/2005 9:03 PM
> > Subject: [UMN_MAPSERVER-USERS] Assign special dbf to shapefile
> >
> > Hi all,
> >
> > am I able to assign a special dbf-file to a shape file? For example
> > rendering the 'airports.shp', but using data from
> > 'airports_passengers.dbf'
> > and not from 'airports.dbf' (ensuring the correct order for the
> > shape-information-mapping). Or another example, render some area shapes
> > on
> > the one hand with popuplation data and on the other hand with
> > unemployment
> > data without integrating both data sets into the dbf of the shape file
> > and
> > without producing two different shape-files. I use php-mapscript and
> > mapserver 4.4.
> >
> > HolgeR
> >
>