Hi Veljo,

QGIS uses the OGR library to access Map Info datasources. The OGR page 
(http://www.gdal.org/ogr/drv_mitab.html) says that it does not support update 
of existing datasets, so you cannot edit those files in QGIS. Creation of 
spatial index through the QGIS GUI is only provided for shapefiles.

Each data provider in QGIS has different capabilities with respect to editing. 
Editing is provided for shapefiles (through OGR), PostGIS databases, GPS and 
also GRASS data (with the editing interface of the GRASS plugin).

All the best,

Am Donnerstag, 1. März 2007 11:29 schrieb veljo:
> hi again,
> nobody able to comment?
> v.
> veljo wrote:
> > hi all,
> >
> > I'm pretty new to GIS in general but the QGIS 0.8.0 (my nearly first GIS
> > software) I manged to install on Suse 10.0 (if somebody needs assistance
> > I could provide, that wasn't so straightforward, took me 2 days)...
> >
> > Ok, so I have some of my GPS data (WP's etc), and Map Info vector layers.
> > Originally Mapinfo has several layers on top of each other, I have them
> > in one file to import at once into QGIS. Everything looks fine but... I
> > cannot enable editing for layers originating from MapInfo either Create
> > spatial indexing for the same layers:-(  GPS WPs are fine for that....
> > Should be that possible or not?  Maybe with GRASS?  Grass I touched as
> > well a bit as I had some other layers coming as ArcInfo .e00 files with
> > were quite nicely imported via Grass
> >
> > cheers,
> > veljo
> >
> > ps sorry when these questions have been risen already, I tried to search
> > a bit but didn't find
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