# point position relative to line
LEFT = 'left'
RIGHT = 'right'
BEHIND = 'behind'
BEYOND = 'beyond'
ORIGIN = 'origin'
DESTINATION = 'destination'
BETWEEN = 'between'

# point position relative to polygon
INSIDE = 'inside'
OUTSIDE = 'outside'
BOUNDARY = 'boundary'

# ray state relative to polygon edge
TOUCHING = 'touching'
CROSSING = 'crossing'
INESSENTIAL = 'inessential'
