Permet de révéler, entre deux jeux d'objets, les courbes qui sont entièrement superposées à d'autres et qui sont donc équivalentes à des sous-courbes. Cela exclu les intersections en un point et les superposition partielles.

import rhinoscriptsyntax as rs

polylines = rs.GetObjects("Select a set of curves")
subCrvs = rs.GetObjects("Select a set of curves to check for full overlapping with first set")

safeList = []

if subCrvs and polylines:
    for subCrv in subCrvs:
        overlap = None
        for polyline in polylines:
            if overlap == None:
                intersections = rs.CurveCurveIntersection(subCrv, polyline)
                if intersections != None:
                    for intersection in intersections:
                        if intersection[0] == 2: #checks for overlap and not point intersection
                            if intersection[5] == rs.CurveDomain(subCrv)[0] and intersection[6] == rs.CurveDomain(subCrv)[1]: #checks for full overlap and not partial 
                                overlap = True
                                break
        if overlap == True:
            safeList.append(subCrv)

rs.SelectObjects(safeList)