Getting started
Install
Demcompare is available on Pypi and can be installed by:
python3 -m venv venv
source venv/bin/activate
pip install --upgrade pip
pip install demcompare
Note
In case of installation problems, please refer to Frequently Asked Questions
Command line execution
Example of a basic DEM coregistration + statistics execution with the sample images and input configuration available on demcompare :
# download data samples
wget https://raw.githubusercontent.com/CNES/demcompare/master/data_samples/srtm_blurred_and_shifted.tif
wget https://raw.githubusercontent.com/CNES/demcompare/master/data_samples/srtm_ref.tif
# download demcompare predefined configuration
wget https://raw.githubusercontent.com/CNES/demcompare/master/data_samples/sample_config.json
# run demcompare
demcompare sample_config.json
Another configuration is also available, allowing to compute more interesting metrics:
# download the other demcompare predefined configuration file,
# this one allows to compute all the interesting metrics available for comparing the 2 input DEMs
wget https://raw.githubusercontent.com/CNES/demcompare/master/data_samples/sample_config_full.json
# run demcompare
demcompare sample_config_full.json
For more details, please refer to Execution from the command line section.