dsm2dtm

This repo generates DTM (Digital Terrain Model) from DSM (Digital Surface Model).

Example1: Input DSM and generated DTM over a flat terrain

Example2: Input DSM, generated DTM, and groundtruth DTM (Lidar derived) over a hillside terrain

DSM was derived from this point cloud data

Installation (These step are for Linux. This will differ a bit for MacOS and windows)

Step 1: Clone the repo - git clone https://github.com/seedlit/dsm2dtm.git
Step 2: Move in the folder - cd dsm2dtm
Step 3: Create a virtual environment - python3 -m venv venv
Step 4: Activate the environment - source venv/bin/activate
Step 5: Install requirements - pip install -r requirements.txt
Step 6: Install saga_cmd - sudo apt update; sudo apt install saga

Usage

Run the script dsm2dtm.py and pass the dsm path as argument.
Example: python dsm2dtm.py --dsm data/sample_dsm.tif