Process aerial imagery with SfM

Collection of scripts to process aerial imagery from the Airborne Snow Observatory (ASO) using Agisoft Metashape on CHPC and produce a GeoTiff for further analysis.

Agisoft

Script to run Agisoft's Metashape through their Python API.

CHPC

Configuration to run SLURM jobs in a miniconda environment, installed in a user directory.

images_time_table

Set of scripts to create a geo-location csv reference file for images.

Workflow

Steps to align two point clouds, having the classification for the area in a GeoTiff.

Third party tools

The repository relies heavily on these tools:

• GDAL
• PDAL
• ASP

Setup

Steps for local setup:

• Clone repository
• Create conda environment using the supplied environment.yml:

conda env create -f environment.yml

• Install this repo to your conda environment:

conda activate snow_aso
cd path/to/repository/snow-aso
pip install -e .

• For Metashape development, download their Python 3 module and install into the conda environment. Replace Metashape.whl below with the actual downloaded file name

conda activate snow_aso
cd path/to/download/
pip install Metashape.whl