On Thu, 01 Nov 2012 10:03:52 +0900 Paolo Cavallini <cavall...@faunalia.it> wrote:
> Hi all. > As many of you know, the Home Range QGIS plugin by Anne Ghisla is no > longer working on Windows, due to a problem in the underlying library > rpy2. The problem is probably not going to be fixed soon, and it is > likely to show up again. There is some work on rpy2 side - please ask Laurent Gautier (the author) or Giovanni Manghi, who is following the development and packaging of newer rpy2 versions on Windows. > IMHO, the most stable solution would be to reimplement the kernel > analyses (do we need other?) in pure python, preferably as a Sextante > module. As I said in other discussions, it is more difficult and lenghty to re-develop all code including the algorithms. A shorter and equally functional solution is keeping R algorithms and rewrite the connector + interface. Sextante already collaborates very well with R, without needing rpy2, so my idea is to rewrite the plugin in a way that well-tested R algorithms are still used. If the algorithms are rewritten, it would be necessary to give the new plugin another name, because results would not be identical to the ones from R algorithms. > In this way, the development will be much easier (no interface > to be designed), and the results of this analysis could be easily > integrated in more complex habitat modelling. My provisional estimate > is that this can take a very few days of work. My estimate is of a week of work, in order to migrate all functionality and provide a user-friendly suite of tests that will help users in isolating plugin errors. > So the question is: > - is anybody interested in solving this? > - in case, is anybody available with the necessary Python skills (or > willing to learn it)? > - if nobody is available, we can do it, provides some funding can be > secured, perhaps as a collective subscription or as a grant. I am not available shortly for this work, but can give more information to the developer who wants to complete it. > Opinions? > All the best. Best, Anne -- http://wiki.osgeo.org/wiki/User:Aghisla
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