Add midpoint marker that will be dragged to make a new segment
Add midpoint marker that will be dragged to make a new segment

gregoryjscott/transitmix,mudpuddle/transitmix,mudpuddle/transitmix,gregoryjscott/transitmix,tannerhodges/transitmix,mudpuddle/transitmix,boonrs/transitmix,tannerhodges/transitmix,boonrs/transitmix,boonrs/transitmix,tannerhodges/transitmix,gregoryjscott/transitmix