1 # -*- coding: iso-8859-1 -*-
7 theStudy = salome.myStudy
10 from salome.geom import geomBuilder
14 geompy = geomBuilder.New(theStudy)
16 O = geompy.MakeVertex(0, 0, 0)
17 OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
18 OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
19 OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
21 geompy.addToStudy( O, 'O' )
22 geompy.addToStudy( OX, 'OX' )
23 geompy.addToStudy( OY, 'OY' )
24 geompy.addToStudy( OZ, 'OZ' )
33 ratio = float(r2)/float(r1)
34 if ratio > (1.0 -seuilmax):
35 a1 = 45.0*(1.0 -ratio)/seuilmax
37 def demidisk(r1, a1, roty=0):
40 v0 = geompy.MakeVertex(0, 0, 0)
41 v[0] = geompy.MakeVertex(0, r1/2.0, 0)
42 v[1] = geompy.MakeVertex(0, r1, 0)
43 l[1] = geompy.MakeLineTwoPnt(v[0], v[1])
44 l[2] = geompy.MakeRotation(l[1], OX, a1*math.pi/180.0)
45 v[4] = geompy.MakeRotation(v[0], OX, a1*math.pi/180.0)
46 v[6] = geompy.MakeRotation(v[1], OX, a1*math.pi/180.0)
48 v[2] = geompy.MakeVertex(0, -r1/2.0, 0)
49 v[3] = geompy.MakeVertex(0, -r1, 0)
50 l[3] = geompy.MakeLineTwoPnt(v[2], v[3])
51 l[4] = geompy.MakeRotation(l[3], OX, -a1*math.pi/180.0)
52 v[5] = geompy.MakeRotation(v[2], OX, -a1*math.pi/180.0)
53 v[7] = geompy.MakeRotation(v[3], OX, -a1*math.pi/180.0)
55 l[5] = geompy.MakeLineTwoPnt(v[4], v[5])
56 l[6] = geompy.MakeLineTwoPnt(v[0], v[4])
57 l[7] = geompy.MakeLineTwoPnt(v[2], v[5])
59 v7 = geompy.MakeVertex(0, 0, r1)
60 arc1 = geompy.MakeArc(v[1], v7, v[3])
61 l[0] = geompy.MakeLineTwoPnt(v[1], v[3])
62 face1 = geompy.MakeFaceWires([arc1, l[0]], 1)
63 part1 = geompy.MakePartition([face1], [l[2], l[4], l[5], l[6], l[7]], [], [], geompy.ShapeType["FACE"], 0, [], 0, True)
66 vrot = [ geompy.MakeRotation(vert, OY, roty*math.pi/180.0) for vert in v ]
67 lrot = [ geompy.MakeRotation(lin, OY, roty*math.pi/180.0) for lin in l ]
68 arc = geompy.MakeRotation(arc1, OY, roty*math.pi/180.0)
69 part = geompy.MakeRotation(part1, OY, roty*math.pi/180.0)
70 return vrot, lrot, arc, part
72 return v, l, arc1, part1
74 def pointsProjetes(vref, face):
75 vface = geompy.ExtractShapes(face, geompy.ShapeType["VERTEX"], True)
76 vord = range(len(vref))
77 plan = geompy.MakePlaneThreePnt(vref[0], vref[1], vref[-1], 10000)
78 vproj = [ geompy.MakeProjection(vert, plan) for vert in vface ]
79 for i,v in enumerate(vproj):
80 dist = [ (geompy.MinDistance(v, vr), j) for j,vr in enumerate(vref) ]
83 if dist[0][0] < 1.e-3:
84 vord[dist[0][1]] = vface[i]
87 def arcsProjetes(vf, face):
88 lface = geompy.ExtractShapes(face, geompy.ShapeType["EDGE"], True)
90 ends = [vf[1], vf[6], vf[7], vf[3]]
93 pts = geompy.ExtractShapes(lf, geompy.ShapeType["VERTEX"], True)
94 if (((geompy.MinDistance(pts[0], ends[i]) < 0.001) and (geompy.MinDistance(pts[1], ends[i+1]) < 0.001)) or
95 ((geompy.MinDistance(pts[1], ends[i]) < 0.001) and (geompy.MinDistance(pts[0], ends[i+1]) < 0.001))):
102 # --- sections droites des deux demi cylindres avec le partionnement
104 v1, l1, arc1, part1 = demidisk(r1, a1)
105 v2, l2, arc2, part2 = demidisk(r2, a1, 90.0)
107 geompy.addToStudy(part1, 'part1')
108 geompy.addToStudy(part2, 'part2')
110 # --- extrusion des sections --> demi cylindres de travail, pour en extraire les sections utilisées au niveau du Té
111 # et enveloppe cylindrique du cylindre principal
113 demicyl1 = geompy.MakePrismVecH(part1, OX, h1)
114 demicyl2 = geompy.MakePrismVecH(part2, OZ, h2)
115 arcextru = geompy.MakePrismVecH(arc1, OX, h1)
117 geompy.addToStudy(demicyl1, 'demicyl1')
118 geompy.addToStudy(demicyl2, 'demicyl2')
119 geompy.addToStudy(arcextru, 'arcextru')
121 # --- plan de coupe à 45° sur le cylindre principal,
122 # section à 45° du cylndre principal,
123 # section du cylindre secondaire par l'enveloppe cylindique du cylindre principal
125 plan1 = geompy.MakePlane(O, OX, 4*r1)
126 planr = geompy.MakeRotation(plan1, OY, 45*math.pi/180.0)
127 geompy.addToStudy(planr, 'planr')
129 sect45 = geompy.MakeCommonList([demicyl1, planr], True)
130 geompy.addToStudy(sect45, 'sect45')
132 sect90 = geompy.MakeCommonList([demicyl2, arcextru], True)
133 geompy.addToStudy(sect90, 'sect90')
135 # --- liste ordonnée des points projetés sur les deux sections
137 vord45 = pointsProjetes(v1, sect45)
138 vord90 = pointsProjetes(v2, sect90)
139 for i,v in enumerate(vord45):
140 geompy.addToStudyInFather(sect45, v, 'v%d'%i)
141 for i,v in enumerate(vord90):
142 geompy.addToStudyInFather(sect90, v, 'v%d'%i)
144 # --- identification des projections des trois arcs de cercle, sur les deux sections.
146 lord45 = arcsProjetes(vord45, sect45)
147 lord90 = arcsProjetes(vord90, sect90)
148 for i,l in enumerate(lord45):
149 geompy.addToStudyInFather(sect45, l, 'l%d'%i)
150 for i,l in enumerate(lord90):
151 geompy.addToStudyInFather(sect90, l, 'l%d'%i)
153 # --- abaissement des quatre points centraux de la section du cylindre secondaire
156 for i in (0, 2, 4, 5):
157 vord90[i] = geompy.TranslateDXDYDZ(vord90[i], 0, 0, dz, True)
158 geompy.addToStudyInFather(sect90, vord90[i], 'vm%d'%i)
160 # --- création des deux arêtes curvilignes sur l'enveloppe cylindrique du cylindre principal, à la jonction
162 curv = [None for i in range(4)] # liaisons entre les points 1, 3, 6 et 7 des 2 sections
164 curv[0] = geompy.MakeArcCenter(O, vord90[1] , vord45[1], False)
165 curv[1] = geompy.MakeArcCenter(O, vord90[3] , vord45[3], False)
167 lipts = ((6, 6, 4), (7, 7, 5))
168 for i, ipts in enumerate(lipts):
173 plan = geompy.MakePlaneThreePnt(p0, p1, p2, 10000)
174 #geompy.addToStudy(plan, "plan%d"%i)
175 section = geompy.MakeSection(plan, arcextru, True)
176 secpart = geompy.MakePartition([section], [sect45, sect90], [], [], geompy.ShapeType["EDGE"], 0, [], 0, True)
177 #geompy.addToStudy(secpart, "secpart%d"%i)
178 lsec = geompy.ExtractShapes(secpart, geompy.ShapeType["EDGE"], True)
179 #print "len(lsec)", len(lsec)
181 pts = geompy.ExtractShapes(l, geompy.ShapeType["VERTEX"], True)
182 if (((geompy.MinDistance(pts[0], p0) < 0.001) and (geompy.MinDistance(pts[1], p1) < 0.001)) or
183 ((geompy.MinDistance(pts[1], p0) < 0.001) and (geompy.MinDistance(pts[0], p1) < 0.001))):
185 #print "curv_%d OK"%i
187 for i,l in enumerate(curv):
188 geompy.addToStudyInFather(arcextru, l, "curv%d"%i)
190 # --- creation des arêtes droites manquantes, des faces et volumes pour les quatre volumes de la jonction
192 edges = [None for i in range(8)]
193 edges[0] = geompy.MakeLineTwoPnt(vord45[0], vord90[0])
195 edges[2] = geompy.MakeLineTwoPnt(vord45[2], vord90[2])
197 edges[4] = geompy.MakeLineTwoPnt(vord45[4], vord90[4])
198 edges[5] = geompy.MakeLineTwoPnt(vord45[5], vord90[5])
201 for i,l in enumerate(edges):
202 geompy.addToStudy( l, "edge%d"%i)
204 ed45 = [None for i in range(8)]
205 ed45[0] = geompy.MakeLineTwoPnt(vord45[0], vord45[2])
206 ed45[1] = geompy.MakeLineTwoPnt(vord45[0], vord45[1])
207 ed45[2] = geompy.MakeLineTwoPnt(vord45[4], vord45[6])
208 ed45[3] = geompy.MakeLineTwoPnt(vord45[2], vord45[3])
209 ed45[4] = geompy.MakeLineTwoPnt(vord45[5], vord45[7])
210 ed45[5] = geompy.MakeLineTwoPnt(vord45[4], vord45[5])
211 ed45[6] = geompy.MakeLineTwoPnt(vord45[0], vord45[4])
212 ed45[7] = geompy.MakeLineTwoPnt(vord45[2], vord45[5])
213 for i,l in enumerate(ed45):
214 geompy.addToStudyInFather(sect45, l, "ed45_%d"%i)
216 ed90 = [None for i in range(8)]
217 ed90[0] = geompy.MakeLineTwoPnt(vord90[0], vord90[2])
218 ed90[1] = geompy.MakeLineTwoPnt(vord90[0], vord90[1])
219 ed90[2] = geompy.MakeLineTwoPnt(vord90[4], vord90[6])
220 ed90[3] = geompy.MakeLineTwoPnt(vord90[2], vord90[3])
221 ed90[4] = geompy.MakeLineTwoPnt(vord90[5], vord90[7])
222 ed90[5] = geompy.MakeLineTwoPnt(vord90[4], vord90[5])
223 ed90[6] = geompy.MakeLineTwoPnt(vord90[0], vord90[4])
224 ed90[7] = geompy.MakeLineTwoPnt(vord90[2], vord90[5])
225 for i,l in enumerate(ed90):
226 geompy.addToStudyInFather(sect90, l, "ed90_%d"%i)
229 faci.append(geompy.MakeFaceWires([ed45[6], edges[0], ed90[6], edges[4]], 0))
230 faci.append(geompy.MakeFaceWires([ed45[7], edges[2], ed90[7], edges[5]], 0))
231 faci.append(geompy.MakeFaceWires([ed45[2], edges[4], ed90[2], edges[6]], 0))
232 faci.append(geompy.MakeFaceWires([ed45[5], edges[4], ed90[5], edges[5]], 0))
233 faci.append(geompy.MakeFaceWires([ed45[4], edges[5], ed90[4], edges[7]], 0))
234 faci.append(geompy.MakeFaceWires([ed90[0], ed90[6], ed90[5], ed90[7]], 0))
235 faci.append(geompy.MakeFaceWires([ed90[1], ed90[6], ed90[2], lord90[0]], 0))
236 faci.append(geompy.MakeFaceWires([ed90[2], ed90[5], ed90[4], lord90[1]], 0))
237 faci.append(geompy.MakeFaceWires([ed90[3], ed90[7], ed90[4], lord90[2]], 0))
238 for i,f in enumerate(faci):
239 geompy.addToStudy(f, "faci_%d"%i)
241 # --- extrusion droite des faces de jonction, pour reconstituer les demi cylindres
243 extru1 = geompy.MakePrismVecH(sect45, OX, h1+10)
244 geompy.addToStudy(extru1, "extru1")
246 base2 = geompy.MakePartition(faci[5:], [], [], [], geompy.ShapeType["FACE"], 0, [], 0, True)
247 extru2 = geompy.MakePrismVecH(base2, OZ, h2)
248 geompy.addToStudy(extru2, "extru2")
250 # --- partition et coupe
252 demiDisque = geompy.MakeFaceWires([arc1, l1[0]], 1)
253 demiCylindre = geompy.MakePrismVecH(demiDisque, OX, h1)
254 #geompy.addToStudy(demiCylindre, "demiCylindre")
255 box = geompy.MakeBox(0, -2*(r1+h1), -2*(r1+h1), 2*(r1+h1), 2*(r1+h1), 2*(r1+h1))
256 rot = geompy.MakeRotation(box, OY, 45*math.pi/180.0)
257 #geompy.addToStudy(rot, "rot")
258 garder = geompy.MakeCutList(demiCylindre, [extru2, rot], True)
259 geompy.addToStudy(garder, "garder")
260 raccord = geompy.MakePartition([garder], faci, [], [], geompy.ShapeType["SOLID"], 0, [], 0, True)
261 assemblage = geompy.MakePartition([raccord, extru1, extru2], [], [], [], geompy.ShapeType["SOLID"], 0, [], 0, True)
262 geompy.addToStudy(assemblage, "assemblage")
264 box = geompy.MakeBox(-1, -(r1+r2), -1, h1, r1+r2, h2)
265 geompy.addToStudy(box, "box")
266 final = geompy.MakeCommonList([box, assemblage], True)
267 geompy.addToStudy(final, "final")