Python - Clear duplicate elements from a list of lines

[Jonathan.Olesen]

A sort of work-around is to convert the lines to “strings” and compare the strings like so:

Inspired by:

How can I tell if 2 pieces of geometry are the same?

geometric similarity and object reference equality are quite different. Are we talking about identifying if two objects are the same in memory (probably not) or are we talking about identifying if two geometric objects are the same in terms of their geometry? One is easy, one is really hard. lines, curves and points are doable with some guesses, you can compare them using a type of spatial hashing which is essentially what @john_pierson does above using the toString() methods on the nodes, it …