OTB Plugin installation

• Download latest Orfeo toolbox standalone Binary packages. They are available for Windows 7 or higher, Linux, Mac OS and can be downloaded from the OTB download page.

Pick the correct version (32 bit or 64 bit) depending on your system. Extract the archive to a local folder (e.g. C:\opt). It contains command line and native otb graphical launchers.

• Start QGIS
• Open plugin manager Plugins -> Manage and Install Plugins
• Select Settings on left pane and then click Add.. button to add a new plugin repository.
• Write Name for repository. eg: CNES plugin repository
• Write URL as http://orfeo-toolbox.org/qgis/plugins.xml and click OK. The repository will be added to the list and status shown as connected. Click Reload all Repositories.

• Select All on the left pane and type otb into the search field.
• Select Processing OTB provider and click Install Plugin. Close.

• Open plugin manager Plugins -> Manage and Install Plugins. Click on Installed tab on left and make sure box next to Processing OTB provider is checked.

Configure OTB plugin in QGIS

• Open processing settings from the main menu:

Settings -> Options -> Processing (left panel) You can see OTB under "Providers".

• Expand OTB tab
• Tick Activate box
• Set OTB folder. This is location of your OTB installation (e.g. C:\opt\OTB-6.6.1-Win64)
• Set OTB application folder. This is location of your OTB applications. (e.g. C:\opt\OTB-6.6.1-Win64\lib\otb\applications). Click OK to save settings and close dialog. If settings are correct, you will have OTB algorithms loaded in QGIS Processing toolbox.