Is using headless opencv an option?

[jrbourbeau]

Currently this project has opencv-python as a dependency, which requires libgl to be installed on linux. Hence the apt install -y libgl1 recommendation in the install docs https://samgeo.gishub.org/installation/. I'm curious if using opencv-python-headless https://pypi.org/project/opencv-python-headless/ instead is feasible for this project. Maybe there's some functionality here where opencv-python-headless isn't sufficient, in which case I apologize for the noise here. If possible, switching to opencv-python-headless would make interoperability between linux and non-linux situations easier.

[giswqs]

Good suggestion. I think we should switch to opencv-python-headless. Would you like to submit a pull request to fix this? Thanks.