Commit c7362e52 by Mark Bell

### Merge branch 'master' of gitlab.com:videlec/veerer

parents 3b7d4cfe f565919b
Pipeline #53905255 failed with stage
in 10 minutes and 55 seconds
 ... ... @@ -744,6 +744,28 @@ class VeeringTriangulation(Triangulation): print("Warning: alternating_square is not carefullly defined with GREEN/PURPLE edges") return all(colours[f] != colours[(f+1) % 4] for f in range(4)) def vertex_cycles(self, slope=VERTICAL): r""" Return the vertex cycles as curves on the (curver) triangulation. EXAMPLES:: sage: from veerer import VeeringTriangulation, HORIZONTAL, VERTICAL sage: V = VeeringTriangulation([(0,1,2), (-1,-2,-3)], "RRB") sage: V.vertex_cycles() [Curve([(~2, ~0, ~1), (0, 1, 2)], [1, 1, 0]), Curve([(~2, ~0, ~1), (0, 1, 2)], [0, 1, 1])] sage: V.vertex_cycles(HORIZONTAL) [Curve([(~2, ~0, ~1), (0, 1, 2)], [1, 0, 1]), Curve([(~2, ~0, ~1), (0, 1, 2)], [1, 1, 0])] """ require_package('curver', 'vertex_cycles') polytope = self.train_track_polytope(slope=slope) rays = [gen for gen in polytope.generators() if gen.is_ray()] T = self.to_curver() return [T.lamination([int(x) for x in ray.coefficients()]) for ray in rays] def branches(self, slope=VERTICAL): r""" Return a 3-uplet made of the lists of respectively the small, mixed ... ...
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