For questions 2-4, you have to have GEOS installed on your system. If you have homebrew you can do the following: brew install geos Install homebrew here if you don’t have it: Link
The GIS term you are describing is linear referencing, and Shapely has these methods. # Length along line that is closest to the point print(line.project(p)) # Now combine with interpolated point on line p2 = line.interpolate(line.project(p)) print(p2) # POINT (5 7) An alternative method is to use nearest_points: from shapely.ops import nearest_points p2 = nearest_points(line, … Read more