Trying to find which lines are parallel

[tabeertariq]

Hi,

I am bringing in a LIST of model lines and trying to extract lines which are parallel to one another. Here the red and blue lines are parallel and are overlapping on one another. Can anyone help me on how to build this logic. What will we happening in each step geometrically and which nodes there are. I am very new to this so a detailed reply will be very helpful. Thank you!

[jacob.small]

Please refrain from duplicating topics. Closing this one as the other already has replies in it.

How to find lines which are parallel to one another

Here I have a list of lines and I am trying to loop through each of them and extract parallel ones. (check each line against one another). The second step is to then put these parallel lines into separate list and check if these intersect at more than 2 points (overlap). if yes then put them in a separate list. Can anyone provide me with guidance on how to approach this. I believe the first step of checking parallelism is the most confusing. [parallel]