[Mapserver-users] adding objects

[Lowell Filak]

I see.
My apologies for the mis-information.
Lowell F.

The following message was sent by "Stepan Kafka" <stepan.kafka at centrum.cz> on Tue, 3 Dec 2002 17:20:49 +0100.

> Hi,
>   current version of mapscript enables adding object to EXISTING shapefile
> (I use it frequently).
> The shapefile may be opened like this:
> 
> ms_newShapefileObj("filename", -2)
> 
> Stepan Kafka
> 
> > -----Pùvodní zpráva-----
> > Od: mapserver-users-admin at lists.gis.umn.edu
> > [mailto:mapserver-users-admin at lists.gis.umn.edu]za u¾ivatele Lowell
> > Filak
> > Odesláno: 3. prosince 2002 16:48
> > Komu: Sven Jacobi; mapserver-users at lists.gis.umn.edu
> > Pøedmìt: Re: [Mapserver-users] adding objects
> >
> >
> > If by layer you mean shapefile:
> > To "add" features to an existing shapefile you need to actually
> > create a new shapefile object and loop through each of the
> > features in the existing shapefile and add them to the new shapefile.
> > Then before closing the shapefile object you can add new features
> > to it and then overwrite the old shapefile with the new version.
> > Why?
> > There is more discussion in the archives regarding that but for
> > the most part the original shapefile design (if I understand
> > correctly) was for quick read access and not write access.
> > There is a PerlMapscript example towards the top of (look for
> > "Does the shapefile already exist or is it yet to exist."):
> > http://mapserver.gis.umn.edu/cgi-bin/wiki.pl?PerlMapScriptExamples35ex8
> > And, yes, we actually use that script to add features to a shapefile.
> > HTH
> > Lowell F.
> >
> > The following message was sent by Sven Jacobi <jacobi at dfki.de> on
> > Tue, 03 Dec 2002 11:48:31 +0100.
> >
> > > Hi,
> > >
> > > does anybody know whether it is possible to add objects to a
> > certain layer?
> > > It would be great if an user would have the possibility to add
> > an object to
> > > a map when he is sure that the map has to be "updated".
> > >
> > > Any ideas or experiences?
> > >
> > > Cheers,
> > >
> > > Sven
> > >
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> >
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> >
> >
> 
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