hi Pierre,
if modifying a vertex takes that long I suggest you unload all(!)
plugins, some are known to slow down QGIS. Try if that enhances speed.
If yes reload you plugins one after another and see if you can identify
the one causing the trouble.
Bernhard
Am 08.02.2016 um 14:34 schrieb Pierre Muckensturm:
Hi,
I use a QGis 2.10 version, X64 on Windows installed with Osgeo4W.
I'll try to explain the bug.
I work on a map, with a shape file of polygons. They are not really
complex, nor numerous (25). I got id, DOSSIER, NOM_OPERAT,
PRIORITE, COMMENTA, DATE_MAJ, SOURCE, LIBELLE_X, LIBELLE_Y
fields and SURF_HA which is a virtual field.
Friday, it took me 5 min to save the file each time I modify a vertex.
Today, I update my id field with the expression "$id". Then, my shape file
looks like a totally mess (look at the imgur album :
http://imgur.com/a/noSM2). The LIBELLE_X, LIBELLE_Y fields have disappeard,
the DOSSIER field which used to be null is now partially fulled, the
NOM_OPERAT are truncated, fulled in a completelly non-sense manner. As for
PRIORITE, DATE_MAJ.
Conclusion, 2 days of work in a trash. I'm quite pissed off, according with
the fact that I'm trying to convince my superior we shall use QGis.
So, what happened ? How could this happen ? Sorry but I don't have the
genuine files, and the data are quite sensitive.
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