Commit 704b1226 authored by Rashad Kanavath's avatar Rashad Kanavath

Update README.md

parent e960529f
......@@ -39,18 +39,50 @@ You can see OTB under "Providers".
* Expand OTB tab
* Tick Activate option
* Set OTB folder entry. This is location of your otb installation.
* Set OTB application folder entry. This is location of your otb applications. It is relative to otb folder `<OTB_FOLDER>/lib/otb/applications`. Multiple paths are allowed to use custom otb apps.
* Set OTB folder entry. This is location of your OTB installation.
* Click "ok" to save settings and close dialog. If settings are correct, you will have OTB algorithms loaded in Processing toolbox
#### OTB settings in QGIS Processing
Here is an example of OTB folder and OTB application folder:
```
OTB applications folder /home/rashad/projects/otb/build/lib/otb/applications
OTB folder /home/rashad/projects/otb/build
````
##### Activate
This is a checkbox to activate or deactivate OTB provider. Any invalid settings in OTB folder will uncheck this when saved.
##### OTB folder
This is the directory where OTB is available. Valid values are list below.
* OTB build folder (for source builds),
* Folder in which OTB is installed using `make install`, package managers or official binary packages
##### OTB application folder (optional)
This is the location(s) of additional OTB applications.
Multiple paths are allowed to use custom/proprietary OTB applications.
This value is empty by default. `<OTB_FOLDER>/lib/otb/applications` is added automatically by OTB provider.
##### Geoid file (optional)
Path to geoid file.
Value of this options is set for `elev.dem.geoid` and `elev.geoid` parameters in OTB applications.
Setting this value globally help users to share it across multiple processing algorithms.
This value is empty by default.
##### SRTM tiles folder (optional)
Directory where SRTM tiles are available.
SRTM data can be stored locally to avoid connecting to downloading of files during processing.
Value of this options is set for `elev.dem.path` and `elev.dem` parameters in OTB applications.
Setting this value globally help users to share it across multiple processing algorithms.
This value is empty by default.
See OTB issue for a related feature request in OTB QtWidget wrapper. https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/issues/1560
* Click "ok" to save settings and close dialog. If settings are correct, you will have otb algorithms loaded in Processing toolbox
Tested with QGIS master (since 5b7b7be6e7)
Tested with QGIS 3.2, 3.3 and master
OTB 6.6 and develop
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