On 7/10/2012 3:58 AM, Alister Hood wrote:
Hi Dave,
There is no point in installing any libraries for a separately installed Python
to use.
On Windows QGIS follows the common Windows practice of every program installing
its own copy of all its dependencies.
So QGIS will use the Python that is installed by the QGIS installer if you use
the standalone QGIS installer, or by the OSGeo4W installer if you use that.
QGIS should not use any Python that is installed separately (unless you've done
some trickery to make it care, or something has changed that I am not aware of).
It is possible to install QGIS using both the QGIS installer and the OSGeo4W
installer, and they will both have their own Python.
With OSGeo4W, the steps to install should be:
- run through the OSGeo4W installer and check that you have installed QGIS,
matplotlib, python-numpy and python-shapely.
- install the plugin.
There used to be a problem with the matplotlib package that meant you also had
to edit a file to make it work unless your install somehow had Tk. But I
believe that is fixed, and it produced a recognisable warning message, anyway.
If you use the standalone installer. I thought it included all the
dependencies of this plugin, but I could be wrong.
Anyway, since you seem to be able to start the plugin, your problem doesn't
appear to be with getting it all installed. Some ideas:
- Try the plugin on an even smaller dataset to see if it works (If I remember
correctly, I think it might be quite slow, but several hours for 400 points
does seem like a very long time).
- When the plugin appears to be frozen, can you look in the windows process
manager to see if it is actually doing any work?
- Remove the separate Python and all the associated junk to see if that is
affecting QGIS. (But I doubt that it is)
- Provide your data for someone else to check that it works fine on their
system.
Also, I could be wrong, but I think I remember this plugin freezing for me, and
then somehow working fine when I tried it again with exactly the same
options... have you tried it a second time?
Regards,
Alister
Thanks Alister. I'll give this a try -- this time on my primary
computer, which was out of commission earlier.
Dave
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David M. Lawrence | Home: (804) 559-9786
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