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70 lines
2.5 KiB
Plaintext
70 lines
2.5 KiB
Plaintext
Requirements
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============
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Set OTB environment
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--------------------
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```
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export PYTHONPATH=/path/to/OTB/install/lib/otb/python/:$PYTHONPATH
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# Environment variable for old OTB versions (< 5.2)
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export ITK_AUTOLOAD_PATH=/path/to/OTB/install/lib/otb/applications/
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# Environment variable for new OTB versions (>= 5.2)
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export OTB_APPLICATION_PATH=/path/to/OTB/install/lib/otb/applications/
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# Set LD_LIBRARY_PATH
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export LD_LIBRARY_PATH=/path/to/OTB/install/lib/:$LD_LIBRARY_PATH
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```
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Set QGIS environment
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---------------------
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```
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export QGIS_PREFIX_PATH=/path/to/QGIS/install
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export PYTHONPATH=$QGIS_PREFIX_PATH/share/qgis/python:$QGIS_PREFIX_PATH/share/qgis/python/plugins:$PYTHONPATH
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# Set LD_LIBRARY_PATH
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export LD_LIBRARY_PATH=$QGIS_PREFIX_PATH/lib/:$LD_LIBRARY_PATH
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# Add maintenance folder to python path
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export PYTHONPATH=/path/to/QGIS/src/python/plugins/processing/algs/otb/maintenance:$PYTHONPATH
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```
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Check the white and black list for the current OTB version
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----------------------------------------------------------
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In the maintenance directory, the OTB applications are split in two files `black_list.xml` and `white_list.xml`.
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These files are organized as follows. For each OTB version, a new node version with id as attribute is added
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to the node data. Each application is then added in the node app_name.
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```xml
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<?xml version="1.0"?>
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<data>
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<version id="3.16">
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<app_name>BinaryMorphologicalOperation</app_name>
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<app_name>EdgeExtraction</app_name>
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<app_name>GrayScaleMorphologicalOperation</app_name>
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<app_name>DimensionalityReduction</app_name>
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<app_name>Pansharpening</app_name>
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<app_name>ExtractROI</app_name>
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<app_name>RigidTransformResample</app_name>
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<app_name>Segmentation</app_name>
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<app_name>KMeansClassification</app_name>
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<app_name>TrainSVMImagesClassifier</app_name>
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<app_name>ComputeConfusionMatrix</app_name>
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<app_name>OpticalCalibration</app_name>
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<app_name>SarRadiometricCalibration</app_name>
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<app_name>Smoothing</app_name>
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</version>
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</data>
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```
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The list of available applications for each version is not fixed.
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OTBSpecific_XMLcreation.py
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--------------------------
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Warning: Some of the applications needs to be split to be user-friendly. Here comes the file `OTBSpecific_XMLcreation.py`.
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Each function follows the pattern `getNameOfTheOTBApplication()`.
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Creating xml files
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------------------
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```
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cd /path/to/QGIS/src/python/plugins/processing/algs/otb/maintenance
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python ./OTBHelper.py
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```
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