1 # -*- coding: utf-8 -*-
2 # Copyright (C) 2014-2020 EDF R&D
4 # This library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # This library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with this library; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 from .geomsmesh import geompy
24 # -----------------------------------------------------------------------------
25 # --- trouver les vertices intermediaires d'un wire
27 def orderEdgesFromWire(aWire):
29 fournit les edges ordonnées d'un wire selon ExtractShapes(,,False),
30 et l'ordre des edges selon le sens de parcours (ordre des indices de la liste d'edges)
33 edges = geompy.ExtractShapes(aWire, geompy.ShapeType["EDGE"], False)
36 for i, edge in enumerate(edges):
37 verts = geompy.ExtractShapes(edge, geompy.ShapeType["VERTEX"], True)
38 # idverts[(i,0)] = verts[0]
39 # idverts[(i,1)] = verts[1]
40 v0 = geompy.MakeVertexOnCurve(edge, 0.0)
41 dist = geompy.MinDistance(v0, verts[0])
43 idverts[(i,0)] = verts[0]
44 idverts[(i,1)] = verts[1]
46 idverts[(i,0)] = verts[1]
47 idverts[(i,1)] = verts[0]
50 for kv, sub in idverts.items():
51 subid = geompy.GetSubShapeID(aWire, sub)
52 if subid in list(idsubs.keys()):
53 idsubs[subid].append(kv)
59 for k, kvs in idsubs.items():
60 if len(kvs) == 1: # une extremité
66 logging.debug("nombre d'edges: {}, indice edge début: {}, fin: {}".format(len(edges), debut, fin))
68 logging.critical("les edges du wire ne sont pas orientées dans le même sens: pas de début trouvé")
69 return edges, list(range(len(edges)))
72 while len(orderedList) < len(edges):
73 bout = orderedList[-1]
74 vertex = idverts[(bout,1)]
75 for k, v in idverts.items():
76 if k[0] not in orderedList:
77 if geompy.MinDistance(vertex, v) < 1.e-4:
79 orderedList.append(k[0])
82 logging.critical("les edges du wire ne sont pas orientées dans le même sens: une edge à l'envers")
83 return edges, list(range(len(edges)))
85 logging.debug("liste des edges ordonnées selon le sens de parcours : {}".format(orderedList))
86 accessList = list(range(len(orderedList)))
87 for i,k in enumerate(orderedList):
89 logging.info("position ordonnée des edges selon le sens de parcours : {}".format(accessList))
90 return edges, accessList