Hi,
I've have experienced recently on several occasions a strange behavior
of qGIS with what I think, memory. I cannot reproduce with a basic
example, I need my whole project to make it happen.
I'm working for a conservation project and I've got a set of shapefiles
with streams, tracks, contours .... and our traps and baitstations (we
do pest control). I'm currently trying to make maps of bird census for
our end of year reports.
Most of the data I get are from GPS, which is easy to handle (either the
gpx file of by importing a csv file). But I also have to create
shapefiles (points and polygons) to place bird sightings and draw
territories. These files don't have any columns for GPS coordinates, as
I draw the points or polygons using field markers (sighting next to a
trap or near a track). So I create the shapefile, fill it in with a few
data and save it, then fill it in with more data.
Everything goes well until the moment I save the shapefile again. It is
saved but the points or polygons get all mixed. They are at the good
place but not for the bird they were supposed to represent!
I spent 2 days trying to understand what was possibly wrong and the only
way I managed to make it work was to create a new shapefile each time I
saved new data.
Unfortunately, after 4 or 5 times I saved files, qGIS starts 'not
responding', a lag which the first times is some seconds and becomes
several minutes and then I have to reboot the computer.
Is there a way to trace what is happening? Nothing appears in the log
messages nor in the windows event logs, it seems.
I'm using windows 7 pro 64bits , qGIS 2.12.1-Lyon code revision
16760fd. Same problem with 2.13.0
I'm not connected to any databases, just working locally, no WMS
connection and qGIS takes already ages to load the project (~3min). It
never happened to me with the old versions like Dufour.
Any hints about what to check, look for would be much appreciated ...
Cheers
Laurence
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