📝 add installation instruction for pip

README.md

@@ -9,7 +9,7 @@ It is GPU only, there is support for CPU.
 It cannot run my lab computer: NVIDIA GeForce RTX 2060 (6GiB of VRAM)
 and thus need to be run on the cluster which has more VRAM.
 
-## Installation
+## Installation (using conda)
 
 Please refer to the original Pytorch3D project, here is a quick summary:
 
@@ -33,3 +33,31 @@ To deactivate the conda env
 ```
 conda deactivate
 ```
+
+## Installation (using pip and virtualenv)
+
+This requires `Python>=3.8`
+
+First, clone the repo
+```
+git clone https://gitea.auro.re/otthorn/nerf_tutorial.git
+cd nerf_tutorial
+```
+
+Then install pytorch3d inside a virtualenv
+```
+virtualenv -p /usr/bin/python3.8 pytorch3d
+source pytorch3d/bin/activate
+pip3 install pytorch3d -f https://dl.fbaipublicfiles.com/pytorch3d/packaging/wheels/py38_cu102_pyt171/download.html
+pip3 install torch torchvision
+```
+
+You can then run the code
+```
+python3 main.py
+```
+
+To deactivate the virtualenv
+```
+deactivate
+```