a simple viewer to view gaussian-splatting model from free viewpoints.
test with cuda 11.3 and torch 1.12.1
pip install torch==1.12.1+cu113 torchvision==0.13.1+cu113 \
torchaudio==0.12.1 --extra-index-url https://download.pytorch.org/whl/cu113
pip install opencv-python
pip install dearpygui
pip install engine/submodules/diff-gaussian-rasterization
pip install engine/submodules/simple-knn
python demo.py