## Installation
- Install [colmap](https://colmap.github.io/install.html) from source or just run:
```
sudo snap install colmap
```
- Install [Hloc](https://github.com/thuanaislab/Hierarchical-Localization)
```
git clone --recursive https://github.com/thuanaislab/Hierarchical-Localization/
cd Hierarchical-Localization/
conda activate d2s
python -m pip install -e .
```