QGISInterface.rst 3.01 KB
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QGIS interface
==============

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OTB Applications are fully integrated in QGIS since QGIS 3.8.
You can configure OTB for QGIS according to the:
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- `QGIS Provider documentation for latest LTR <https://docs.qgis.org/latest/en/docs/user_manual/processing/3rdParty.html>`_.
- `QGIS Provider documentation <https://docs.qgis.org/testing/en/docs/user_manual/processing/3rdParty.html>`_.
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Compatibility between QGIS and OTB versions
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There are compatibility issues between the different versions of OTB and QGIS. Any version
of OTB compiled with GDAL 3.X is not compatible with QGIS 3.12 or below. This is the case
for the binary packages of OTB 7.1 and above. In this case QGIS 3.14 or more should be used.
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The table below summarizes which version of OTB can be used with which version of QGIS.
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+---------------+-----------------+-----------------+-----------------+-----------------+
|               | QGIS 3.8 - 3.12 | QGIS 3.14       | QGIS 3.16       | QGIS 3.18       |
+---------------+-----------------+-----------------+-----------------+-----------------+
| OTB 6.6.1     | Compatible      | Compatible      | Compatible      | Compatible      |
+---------------+-----------------+-----------------+-----------------+-----------------+
| OTB 7.0.0     | Compatible      | Compatible      | Compatible      | Compatible      |
+---------------+-----------------+-----------------+-----------------+-----------------+
| OTB 7.1.0     | Not Compatible  | Compatible      | Compatible      | Compatible      |
+---------------+-----------------+-----------------+-----------------+-----------------+
| OTB 7.2.0     | Not Compatible  | Compatible      | Compatible      | Compatible      |
+---------------+-----------------+-----------------+-----------------+-----------------+
| OTB 8.0.0     | Not Compatible  | Not Compatible  | Not Compatible  | Compatible      |
+---------------+-----------------+-----------------+-----------------+-----------------+
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Troubleshooting
---------------

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Use OTB in old QGIS version (3.6 and less)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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.. warning:: This method is deprecated. Please consider upgrading your QGIS version.
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Since QGIS 3.8 and with 3.10 LTR version, the configuration of OTB
Application is directly done in QGIS Provider (see above).
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If you use an older version of QGIS (from 3.2 to 3.6), you need to
install an additional plugin in order to use OTB applications. This
plugin is available `here
<https://gitlab.orfeo-toolbox.org/orfeotoolbox/qgis-otb-plugin>`_ with
specific installation instructions.
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Don't use this plugin with QGIS 3.8 or higher. It might get messy if
you upgrade your QGIS version and still have a previously installed
plugin. Try to remove the old plugin before launching QGIS.
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Issue tracking
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If you encounter issues with integration of OTB application into QGIS,
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please `fill an issue <https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/-/issues/new?issue[assignee_id]=&issue[milestone_id]=>`_ into the OTB issue tracker with `qgis` label.