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README.md

General

This is a module for the Diapason processing with OTB The module must be used with OTB Orfeo Toolbox (https://www.orfeo-toolbox.org/). It is designed to work with OTB v6.2 (or higher).

This module can be built as a remote module or as a standalone module

Getting Started

Installation

  1. Clone the repository
%git clone
  1. Go to source directory
%cd DiapOTBModule
  1. Create build directory
% mkdir build
% cd build

  1. Setup OTB environment

  2. Configure, compile and install

% CC=${GCCHOME}/bin/gcc CXX=${GCCHOME}/bin/g++ cmake -DOTB_BUILD_MODULE_AS_STANDALONE=ON -DCMAKE_INSTALL_PREFIX=<install_directory> -DCMAKE_BUILD_TYPE=<Release or Debug> ..
% make
% make install
  1. Configure with tests, compile and run tests
% CC=${GCCHOME}/bin/gcc CXX=${GCCHOME}/bin/g++ cmake -DBUILD_TESTING=ON -DOTB_BUILD_MODULE_AS_STANDALONE=ON -DCMAKE_INSTALL_PREFIX=<install_directory> -DCMAKE_BUILD_TYPE=<Release or Debug> ..
% make
% ctest

Usage to launch one application (ex : SARMultiLook)

C++ application

  1. Load environment
export OTB_APPLICATION_PATH=<install_directory>/lib:$OTB_APPLICATION_PATH
export LD_LIBRARY_PATH=<install_directory>/lib/:$LD_LIBRARY_PATH

A file (diapOTBEnv.sh) was creating into install_directory during the installation. This file can be used to load the environment. Other environment variables can be setted such as OTB_GEOID_FILE or ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS.

  1. Get help
otbApplicationLauncherCommandLine SARMultiLook
  1. Execute
otbApplicationLauncherCommandLine SARMultiLookApp -in ./Data_In/sar/Reunion/S1A_S4_SLC__without_calibration.SAFE/measurement/s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002.tiff -out ./Data_Out/out_SAR_Diap/s1a-s4-ml-vv.tif -mlran 3 -mlazi 3 -mlgain 0.1

Python

  1. Load environment
export OTB_APPLICATION_PATH=<install_directory>/lib:$OTB_APPLICATION_PATH
export LD_LIBRARY_PATH=<install_directory>/lib/:$LD_LIBRARY_PATH

A file (diapOTBEnv.sh) was creating into install_directory during the installation. This file can be used to load the environment. Other environment variables can be setted such as OTB_GEOID_FILE or ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS.

  1. Write a Python file
import otbApplication as otb
app = otb.Registry.CreateApplication("SARMultiLook")
app.SetParameterString("in", "s1a-s4-slc-vv-20160818t014650-20160818t014715-012648-013db1-002.tiff")
app.SetParameterString("out", "output.tif")
app.SetParameterInt("mlran",3)
app.SetParameterInt("mlazi",3)
app.SetParameterFloat("mlgain", 0.1)
app.ExecuteAndWriteOutput()
  1. Execute
python <script_python.py>

Usage to launch DiapOTB processing

  1. Load environment
source <install_directory>/diapOTBEnv.sh

Other environment variables can be setted such as OTB_GEOID_FILE or ITK_GLOBAL_DEFAULT_NUMBER_OF_THREADS.

  1. Configure your processing with a configuration file
Example into <install_directory>/python_src/ex_config.ini
  1. Launch the processing
python $DIAPOTB_INSTALL/python_src/diapOTB.py <configuration_file>