1 # -*- coding: iso-8859-1 -*-
7 from salome.geom import geomBuilder
12 #O = geompy.MakeVertex(0, 0, 0)
13 #OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
14 #OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
15 #OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
17 #geompy.addToStudy( O, 'O' )
18 #geompy.addToStudy( OX, 'OX' )
19 #geompy.addToStudy( OY, 'OY' )
20 #geompy.addToStudy( OZ, 'OZ' )
27 def demidisk(study, r1, a1, roty=0):
28 geompy = geomBuilder.New(study)
30 O = geompy.MakeVertex(0, 0, 0)
31 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
32 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
33 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
37 v0 = geompy.MakeVertex(0, 0, 0)
38 v[0] = geompy.MakeVertex(0, r1/2.0, 0)
39 v[1] = geompy.MakeVertex(0, r1, 0)
40 l[1] = geompy.MakeLineTwoPnt(v[0], v[1])
41 l[2] = geompy.MakeRotation(l[1], OX, a1*math.pi/180.0)
42 v[4] = geompy.MakeRotation(v[0], OX, a1*math.pi/180.0)
43 v[6] = geompy.MakeRotation(v[1], OX, a1*math.pi/180.0)
45 v[2] = geompy.MakeVertex(0, -r1/2.0, 0)
46 v[3] = geompy.MakeVertex(0, -r1, 0)
47 l[3] = geompy.MakeLineTwoPnt(v[2], v[3])
48 l[4] = geompy.MakeRotation(l[3], OX, -a1*math.pi/180.0)
49 v[5] = geompy.MakeRotation(v[2], OX, -a1*math.pi/180.0)
50 v[7] = geompy.MakeRotation(v[3], OX, -a1*math.pi/180.0)
52 l[5] = geompy.MakeLineTwoPnt(v[4], v[5])
53 l[6] = geompy.MakeLineTwoPnt(v[0], v[4])
54 l[7] = geompy.MakeLineTwoPnt(v[2], v[5])
56 v7 = geompy.MakeVertex(0, 0, r1)
57 arc1 = geompy.MakeArc(v[1], v7, v[3])
58 l[0] = geompy.MakeLineTwoPnt(v[1], v[3])
59 face1 = geompy.MakeFaceWires([arc1, l[0]], 1)
60 part1 = geompy.MakePartition([face1], [l[2], l[4], l[5], l[6], l[7]], [], [], geompy.ShapeType["FACE"], 0, [], 0, True)
63 vrot = [ geompy.MakeRotation(vert, OY, roty*math.pi/180.0) for vert in v ]
64 lrot = [ geompy.MakeRotation(lin, OY, roty*math.pi/180.0) for lin in l ]
65 arc = geompy.MakeRotation(arc1, OY, roty*math.pi/180.0)
66 part = geompy.MakeRotation(part1, OY, roty*math.pi/180.0)
67 return vrot, lrot, arc, part
69 return v, l, arc1, part1
71 def pointsProjetes(study, vref, face):
72 geompy = geomBuilder.New(study)
73 vface = geompy.ExtractShapes(face, geompy.ShapeType["VERTEX"], True)
74 vord = range(len(vref))
75 plan = geompy.MakePlaneThreePnt(vref[0], vref[1], vref[-1], 10000)
76 vproj = [ geompy.MakeProjection(vert, plan) for vert in vface ]
77 for i,v in enumerate(vproj):
78 dist = [ (geompy.MinDistance(v, vr), j) for j,vr in enumerate(vref) ]
81 if dist[0][0] < 1.e-3:
82 vord[dist[0][1]] = vface[i]
85 def arcsProjetes(study, vf, face):
86 geompy = geomBuilder.New(study)
87 lface = geompy.ExtractShapes(face, geompy.ShapeType["EDGE"], True)
89 ends = [vf[1], vf[6], vf[7], vf[3]]
92 pts = geompy.ExtractShapes(lf, geompy.ShapeType["VERTEX"], True)
93 if (((geompy.MinDistance(pts[0], ends[i]) < 0.001) and (geompy.MinDistance(pts[1], ends[i+1]) < 0.001)) or
94 ((geompy.MinDistance(pts[1], ends[i]) < 0.001) and (geompy.MinDistance(pts[0], ends[i+1]) < 0.001))):
101 def build_shape(study, r1, r2, h1, h2):
102 geompy = geomBuilder.New(study)
104 O = geompy.MakeVertex(0, 0, 0)
105 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
106 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
107 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
111 ratio = float(r2)/float(r1)
112 if ratio > (1.0 -seuilmax):
113 a1 = 45.0*(1.0 -ratio)/seuilmax
116 # --- sections droites des deux demi cylindres avec le partionnement
118 v1, l1, arc1, part1 = demidisk(study, r1, a1)
119 v2, l2, arc2, part2 = demidisk(study, r2, a1, 90.0)
121 geompy.addToStudy(part1, 'part1')
122 geompy.addToStudy(part2, 'part2')
124 # --- extrusion des sections --> demi cylindres de travail, pour en extraire les sections utilisées au niveau du Té
125 # et enveloppe cylindrique du cylindre principal
127 demicyl1 = geompy.MakePrismVecH(part1, OX, h1)
128 demicyl2 = geompy.MakePrismVecH(part2, OZ, h2)
129 arcextru = geompy.MakePrismVecH(arc1, OX, h1)
131 geompy.addToStudy(demicyl1, 'demicyl1')
132 geompy.addToStudy(demicyl2, 'demicyl2')
133 geompy.addToStudy(arcextru, 'arcextru')
135 # --- plan de coupe à 45° sur le cylindre principal,
136 # section à 45° du cylndre principal,
137 # section du cylindre secondaire par l'enveloppe cylindique du cylindre principal
139 plan1 = geompy.MakePlane(O, OX, 4*r1)
140 planr = geompy.MakeRotation(plan1, OY, 45*math.pi/180.0)
141 geompy.addToStudy(planr, 'planr')
143 sect45 = geompy.MakeCommonList([demicyl1, planr], True)
144 geompy.addToStudy(sect45, 'sect45')
146 sect90 = geompy.MakeCommonList([demicyl2, arcextru], True)
147 geompy.addToStudy(sect90, 'sect90')
149 # --- liste ordonnée des points projetés sur les deux sections
151 vord45 = pointsProjetes(study, v1, sect45)
152 vord90 = pointsProjetes(study, v2, sect90)
153 for i,v in enumerate(vord45):
154 geompy.addToStudyInFather(sect45, v, 'v%d'%i)
155 for i,v in enumerate(vord90):
156 geompy.addToStudyInFather(sect90, v, 'v%d'%i)
158 # --- identification des projections des trois arcs de cercle, sur les deux sections.
160 lord45 = arcsProjetes(study, vord45, sect45)
161 lord90 = arcsProjetes(study, vord90, sect90)
162 for i,l in enumerate(lord45):
163 geompy.addToStudyInFather(sect45, l, 'l%d'%i)
164 for i,l in enumerate(lord90):
165 geompy.addToStudyInFather(sect90, l, 'l%d'%i)
167 # --- abaissement des quatre points centraux de la section du cylindre secondaire
170 for i in (0, 2, 4, 5):
171 vord90[i] = geompy.TranslateDXDYDZ(vord90[i], 0, 0, dz, True)
172 geompy.addToStudyInFather(sect90, vord90[i], 'vm%d'%i)
174 # --- création des deux arêtes curvilignes sur l'enveloppe cylindrique du cylindre principal, à la jonction
176 curv = [None for i in range(4)] # liaisons entre les points 1, 3, 6 et 7 des 2 sections
178 curv[0] = geompy.MakeArcCenter(O, vord90[1] , vord45[1], False)
179 curv[1] = geompy.MakeArcCenter(O, vord90[3] , vord45[3], False)
181 lipts = ((6, 6, 4), (7, 7, 5))
182 for i, ipts in enumerate(lipts):
187 plan = geompy.MakePlaneThreePnt(p0, p1, p2, 10000)
188 #geompy.addToStudy(plan, "plan%d"%i)
189 section = geompy.MakeSection(plan, arcextru, True)
190 secpart = geompy.MakePartition([section], [sect45, sect90], [], [], geompy.ShapeType["EDGE"], 0, [], 0, True)
191 #geompy.addToStudy(secpart, "secpart%d"%i)
192 lsec = geompy.ExtractShapes(secpart, geompy.ShapeType["EDGE"], True)
193 #print "len(lsec)", len(lsec)
195 pts = geompy.ExtractShapes(l, geompy.ShapeType["VERTEX"], True)
196 if (((geompy.MinDistance(pts[0], p0) < 0.001) and (geompy.MinDistance(pts[1], p1) < 0.001)) or
197 ((geompy.MinDistance(pts[1], p0) < 0.001) and (geompy.MinDistance(pts[0], p1) < 0.001))):
199 #print "curv_%d OK"%i
201 for i,l in enumerate(curv):
202 geompy.addToStudyInFather(arcextru, l, "curv%d"%i)
204 # --- creation des arêtes droites manquantes, des faces et volumes pour les quatre volumes de la jonction
206 edges = [None for i in range(8)]
207 edges[0] = geompy.MakeLineTwoPnt(vord45[0], vord90[0])
209 edges[2] = geompy.MakeLineTwoPnt(vord45[2], vord90[2])
211 edges[4] = geompy.MakeLineTwoPnt(vord45[4], vord90[4])
212 edges[5] = geompy.MakeLineTwoPnt(vord45[5], vord90[5])
215 for i,l in enumerate(edges):
216 geompy.addToStudy( l, "edge%d"%i)
218 ed45 = [None for i in range(8)]
219 ed45[0] = geompy.MakeLineTwoPnt(vord45[0], vord45[2])
220 ed45[1] = geompy.MakeLineTwoPnt(vord45[0], vord45[1])
221 ed45[2] = geompy.MakeLineTwoPnt(vord45[4], vord45[6])
222 ed45[3] = geompy.MakeLineTwoPnt(vord45[2], vord45[3])
223 ed45[4] = geompy.MakeLineTwoPnt(vord45[5], vord45[7])
224 ed45[5] = geompy.MakeLineTwoPnt(vord45[4], vord45[5])
225 ed45[6] = geompy.MakeLineTwoPnt(vord45[0], vord45[4])
226 ed45[7] = geompy.MakeLineTwoPnt(vord45[2], vord45[5])
227 for i,l in enumerate(ed45):
228 geompy.addToStudyInFather(sect45, l, "ed45_%d"%i)
230 ed90 = [None for i in range(8)]
231 ed90[0] = geompy.MakeLineTwoPnt(vord90[0], vord90[2])
232 ed90[1] = geompy.MakeLineTwoPnt(vord90[0], vord90[1])
233 ed90[2] = geompy.MakeLineTwoPnt(vord90[4], vord90[6])
234 ed90[3] = geompy.MakeLineTwoPnt(vord90[2], vord90[3])
235 ed90[4] = geompy.MakeLineTwoPnt(vord90[5], vord90[7])
236 ed90[5] = geompy.MakeLineTwoPnt(vord90[4], vord90[5])
237 ed90[6] = geompy.MakeLineTwoPnt(vord90[0], vord90[4])
238 ed90[7] = geompy.MakeLineTwoPnt(vord90[2], vord90[5])
239 for i,l in enumerate(ed90):
240 geompy.addToStudyInFather(sect90, l, "ed90_%d"%i)
243 faci.append(geompy.MakeFaceWires([ed45[6], edges[0], ed90[6], edges[4]], 0))
244 faci.append(geompy.MakeFaceWires([ed45[7], edges[2], ed90[7], edges[5]], 0))
245 faci.append(geompy.MakeFaceWires([ed45[2], edges[4], ed90[2], edges[6]], 0))
246 faci.append(geompy.MakeFaceWires([ed45[5], edges[4], ed90[5], edges[5]], 0))
247 faci.append(geompy.MakeFaceWires([ed45[4], edges[5], ed90[4], edges[7]], 0))
248 faci.append(geompy.MakeFaceWires([ed90[0], ed90[6], ed90[5], ed90[7]], 0))
249 faci.append(geompy.MakeFaceWires([ed90[1], ed90[6], ed90[2], lord90[0]], 0))
250 faci.append(geompy.MakeFaceWires([ed90[2], ed90[5], ed90[4], lord90[1]], 0))
251 faci.append(geompy.MakeFaceWires([ed90[3], ed90[7], ed90[4], lord90[2]], 0))
252 for i,f in enumerate(faci):
253 geompy.addToStudy(f, "faci_%d"%i)
255 # --- extrusion droite des faces de jonction, pour reconstituer les demi cylindres
257 extru1 = geompy.MakePrismVecH(sect45, OX, h1+10)
258 geompy.addToStudy(extru1, "extru1")
260 base2 = geompy.MakePartition(faci[5:], [], [], [], geompy.ShapeType["FACE"], 0, [], 0, True)
261 extru2 = geompy.MakePrismVecH(base2, OZ, h2)
262 geompy.addToStudy(extru2, "extru2")
264 # --- partition et coupe
266 demiDisque = geompy.MakeFaceWires([arc1, l1[0]], 1)
267 demiCylindre = geompy.MakePrismVecH(demiDisque, OX, h1)
268 #geompy.addToStudy(demiCylindre, "demiCylindre")
269 box = geompy.MakeBox(0, -2*(r1+h1), -2*(r1+h1), 2*(r1+h1), 2*(r1+h1), 2*(r1+h1))
270 rot = geompy.MakeRotation(box, OY, 45*math.pi/180.0)
271 #geompy.addToStudy(rot, "rot")
272 garder = geompy.MakeCutList(demiCylindre, [extru2, rot], True)
273 geompy.addToStudy(garder, "garder")
274 raccord = geompy.MakePartition([garder], faci, [], [], geompy.ShapeType["SOLID"], 0, [], 0, True)
275 assemblage = geompy.MakePartition([raccord, extru1, extru2], [], [], [], geompy.ShapeType["SOLID"], 0, [], 0, True)
276 geompy.addToStudy(assemblage, "assemblage")
278 box = geompy.MakeBox(-1, -(r1+r2), -1, h1, r1+r2, h2)
279 geompy.addToStudy(box, "box")
280 final = geompy.MakeCommonList([box, assemblage], True)