OK – I had otb set up to run through the SEXTANTE plugin in qgis usingthe standard repository as mentioned in the online help:
sudo apt-add-repository ppa:ubuntugis/ubuntugis-unstable
Then there was an upgrade of the otb libraries and everything stopped working – not good. I don’t know if what I have done as a work around is a sensible thing to do but it seems to have gotten my installation up and running again:
- Uninstall the SEXTANTE plugin
- Uninstall qgis and anything else installed using the ubuntugis-unstable repository
- Install the stable repository –
sudo apt-add-repository ppa:ubuntugis/ubuntugis - Run
sudo apt-get update - Then use
sudo apt-get install libotb otb-bin otb-bin-qt python-otbto install the libraries and applications - Reinstall the SEXTANTE plugin and hopefully it will all work
That worked for me but I don’t know what will happen when qgis 2.x is released.
AJG-Develop 
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