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Installation

A. Clone repository

# clone repository
git clone https://github.com/DekuLiuTesla/CityGaussian.git
cd CityGaussian

B. Create virtual environment

# create virtual environment
conda create -yn gspl python=3.9 pip
conda activate gspl

C. Install PyTorch

  • Tested on PyTorch==2.0.1

  • You must install the one match to the version of your nvcc (nvcc --version)

  • For CUDA 11.8

    pip install -r requirements/pyt201_cu118.txt

D. Install requirements

pip install -r requirements.txt

For pose and 3DGS joint optimization, please directly jump to this document.

E. Install additional package for CityGaussian

pip install -r requirements/CityGS.txt

Note that here we use modified version of Trim2DGS rasterizer, so as to resolve impulse noise problem under street views. This version also avoids interference from out-of-view surfels.