gistfile1.py

def selfIntersection(x, y):
    """
    ATTENTION A NE PAS LANCER LE TEST SUR DES GEOMETRIES INFERIEUR A TROIS COORDONNEES DISTINCTES
    """
    print x, y
    for i in xrange(len(x)-1):
        xSeg1 = [x[i], x[i+1]]
        ySeg1 = [y[i], y[i+1]]
        seg1 = guilabs.createGeometry(2, xSeg1, ySeg1)
        for j in xrange(i + 2, len(x)-3):
            xSeg2 = [x[i+j+2],x[i+j+3]]
            ySeg2 = [y[i+j+2],y[i+j+3]]
            seg2 = guilabs.createGeometry(2, xSeg2, ySeg2)
            result = seg1.Intersect(seg2)
    return result