1 # -*- coding: iso-8859-1 -*-
2 # Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
4 # Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
5 # CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License, or (at your option) any later version.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 # File : GEOM_Spanner.py
24 # Author : Julia DOROVSKIKH
27 # ! Please, if you edit this example file, update also
28 # ! GEOM_SRC/doc/salome/gui/GEOM/input/tui_test_spanner.doc
29 # ! as some sequences of symbols from this example are used during
30 # ! documentation generation to identify certain places of this file
32 ############# MakeSpanner #############
33 def MakeSpanner (geompy, math, isBlocksTest = 0, isMeshTest = 0, smesh = None):
39 ### Basic points and directions ###
41 p0 = geompy.MakeVertex(0., 0., 0.)
42 pth = geompy.MakeVertex(0., 0., th)
44 vx = geompy.MakeVectorDXDYDZ(1., 0., 0.)
45 vy = geompy.MakeVectorDXDYDZ(0., 1., 0.)
46 vz = geompy.MakeVectorDXDYDZ(0., 0., 1.)
48 vxy = geompy.MakeVectorDXDYDZ(1., 1., 0.)
52 p_10_0 = geompy.MakeVertex(10., 0., 0.)
53 p_10_25 = geompy.MakeVertex(10., 25., 0.)
54 p_0_35 = geompy.MakeVertex( 0., 35., 0.)
55 p_0_10 = geompy.MakeVertex( 0., 10., 0.)
57 Face11 = geompy.MakeQuad4Vertices(p_10_0, p_10_25, p_0_10, p_0_35);
58 id_face11 = geompy.addToStudy(Face11, "1 Face for Block 1")
60 Face12 = geompy.MakeTranslationTwoPoints(Face11, p0, pth)
61 id_face12 = geompy.addToStudy(Face12, "2 Face for Block 1")
63 Block1 = geompy.MakeHexa2Faces(Face11, Face12)
64 id_block1 = geompy.addToStudy(Block1, "Block 1")
68 p_15_0 = geompy.MakeVertex(15., 0., 0.)
69 p_15_20 = geompy.MakeVertex(15., 20., 0.)
71 Edge21 = geompy.MakeEdge(p_15_0, p_15_20)
72 id_edge21 = geompy.addToStudy(Edge21, "1 Edge for Block 2")
74 Edge22 = geompy.GetEdge(Block1, p_10_0, p_10_25)
75 id_edge22 = geompy.addToStudy(Edge22, "2 Edge for Block 2")
77 Face21 = geompy.MakeQuad2Edges(Edge21, Edge22);
78 id_face21 = geompy.addToStudy(Face21, "1 Face for Block 2")
80 Face22 = geompy.MakeTranslationTwoPoints(Face21, p0, pth)
81 id_face22 = geompy.addToStudy(Face22, "2 Face for Block 2")
83 Block2 = geompy.MakeHexa2Faces(Face21, Face22)
84 id_block2 = geompy.addToStudy(Block2, "Block 2")
88 p_15_10_1 = geompy.MakeVertex(15., 10., 1.)
90 Face31 = geompy.GetFaceNearPoint(Block2, p_15_10_1)
91 id_face31 = geompy.addToStudy(Face31, "1 Face for Block 3")
93 Prism1 = geompy.MakePrismVecH(Face31, vx, 5);
94 id_prism1 = geompy.addToStudy(Prism1, "Prism to be Block 3")
96 nbFaces = geompy.ShapesOp.NumberOfFaces(Prism1)
98 print "Prism 1 is a hexahedral solid"
100 print "Prism 1 is not a hexahedral solid"
102 Prism1_faces = geompy.SubShapeAllSortedCentres(Prism1, geompy.ShapeType["FACE"])
104 for aFace in Prism1_faces:
105 name = geompy.SubShapeName(aFace, Prism1)
106 Id_Face = geompy.addToStudyInFather(Prism1, aFace, name)
109 Block3 = geompy.MakeHexa(Prism1_faces[0], Prism1_faces[1],
110 Prism1_faces[2], Prism1_faces[3],
111 Prism1_faces[4], Prism1_faces[5]);
112 id_block3 = geompy.addToStudy(Block3, "Block 3")
116 Face41 = geompy.GetOppositeFace(Block3, Face31)
117 id_face41 = geompy.addToStudy(Face41, "1 Face for Block 4")
119 p_25_5 = geompy.MakeVertex(25., 5., 0.)
120 p_25_20 = geompy.MakeVertex(25., 20., 0.)
122 Edge41 = geompy.MakeEdge(p_25_5, p_25_20)
123 id_edge41 = geompy.addToStudy(Edge41, "1 Edge for Block 4")
125 p_25_5_2 = geompy.MakeVertex(25., 5., th)
126 p_25_20_2 = geompy.MakeVertex(25., 20., th)
128 Edge42 = geompy.MakeEdge(p_25_5_2, p_25_20_2)
129 id_edge42 = geompy.addToStudy(Edge42, "2 Edge for Block 4")
131 Edge43 = geompy.MakeEdge(p_25_5, p_25_5_2)
132 id_edge43 = geompy.addToStudy(Edge43, "3 Edge for Block 4")
134 Edge44 = geompy.MakeEdge(p_25_20, p_25_20_2)
135 id_edge44 = geompy.addToStudy(Edge44, "4 Edge for Block 4")
137 Face42 = geompy.MakeQuad(Edge41, Edge42, Edge43, Edge44)
138 id_face42 = geompy.addToStudy(Face42, "2 Face for Block 4")
140 Block4 = geompy.MakeHexa2Faces(Face41, Face42)
141 id_block4 = geompy.addToStudy(Block4, "Block 4")
145 p_25_30 = geompy.MakeVertex(25., 30., 0.)
146 p_25_30_1 = geompy.MakeVertex(25., 30., 1)
147 axis_rot = geompy.MakeVector(p_25_30, p_25_30_1)
150 Face52 = geompy.MakeRotation(Face51, axis_rot, math.pi/2.)
151 id_face52 = geompy.addToStudy(Face52, "2 Face for Block 5")
153 Block5 = geompy.MakeHexa2Faces(Face51, Face52)
154 id_block5 = geompy.addToStudy(Block5, "Block 5")
156 ### Compound of blocks 1 - 4 ###
158 Comp1234 = geompy.MakeCompound([Block1, Block2, Block3, Block4])
159 Glue1234 = geompy.MakeGlueFaces(Comp1234, 1e-5)
160 id_glue1234 = geompy.addToStudy(Glue1234, "Glue 1234")
162 plane_mirror = geompy.MakePlane(p_25_30, vxy, 100.)
163 #id_plane_mirror = geompy.addToStudy(plane_mirror, "Plane for mirror")
165 Mirror1 = geompy.MakeMirrorByPlane(Glue1234, plane_mirror)
166 id_mirror1 = geompy.addToStudy(Mirror1, "Mirror 1")
168 ### The second end ###
170 p_18_0 = geompy.MakeVertex(18., 0., 0.)
171 p_20_0 = geompy.MakeVertex(20., 0., 0.)
172 p_40_0 = geompy.MakeVertex(40., 0., 0.)
174 Edge1s = geompy.MakeEdge(p_20_0, p_40_0)
175 id_edge1s = geompy.addToStudy(Edge1s, "1 Edge for Block 1s")
177 Edge2s = geompy.MakeRotation(Edge1s, vz, math.pi/12.)
178 id_edge2s = geompy.addToStudy(Edge2s, "2 Edge for Block 1s")
180 p_18_0_r = geompy.MakeRotation(p_18_0, vz, math.pi/24.)
181 p_20_0_r = geompy.MakeRotation(p_20_0, vz, math.pi/12.)
182 p_40_0_r = geompy.MakeRotation(p_40_0, vz, math.pi/12.)
184 Edge3s = geompy.MakeEdge(p_40_0, p_40_0_r)
185 id_edge3s = geompy.addToStudy(Edge3s, "3 Edge for Block 1s")
187 Edge4s = geompy.MakeArc(p_20_0, p_18_0_r, p_20_0_r)
188 id_edge4s = geompy.addToStudy(Edge4s, "4 Edge for Block 1s")
190 Face1s = geompy.MakeQuad(Edge1s, Edge2s, Edge3s, Edge4s)
191 id_face1s = geompy.addToStudy(Face1s, "1 Face for Block 1s")
193 Block1s = geompy.MakePrismVecH(Face1s, vz, th);
194 id_block1s = geompy.addToStudy(Block1s, "Block 1s")
196 p_30_0_1 = geompy.MakeVertex(30., 0., 1.)
198 Face2s = geompy.GetFaceNearPoint(Block1s, p_30_0_1)
199 id_face2s = geompy.addToStudy(Face2s, "2 Face of Block 1s")
201 f2s_ind = geompy.LocalOp.GetSubShapeIndex(Block1s, Face2s)
203 Block1s_tr1 = geompy.MakeMultiTransformation1D(Block1s, f2s_ind, 0, 24)
204 id_block1s_tr1 = geompy.addToStudy(Block1s_tr1, "Multi-transformed Block 1s")
206 p_60_150_0 = geompy.MakeVertex(60., -150., 0.)
207 Gear = geompy.MakeTranslationTwoPoints(Block1s_tr1, p0, p_60_150_0)
208 id_gear = geompy.addToStudy(Gear, "Gear")
210 ### Link two parts ###
212 ### Linking Block 1 ###
214 p_55_0_1 = geompy.MakeVertex(55., 0., 1.)
215 p_55_110_1 = geompy.MakeVertex(55., -110., 1.)
217 Face11l = geompy.GetFaceNearPoint(Block5, p_55_0_1)
218 id_face11l = geompy.addToStudy(Face11l, "1 Face for Linking Block 1")
220 Face12l = geompy.GetFaceNearPoint(Gear, p_55_110_1)
221 id_face12l = geompy.addToStudy(Face12l, "2 Face for Linking Block 1")
223 Block1l = geompy.MakeHexa2Faces(Face11l, Face12l)
224 id_block1l = geompy.addToStudy(Block1l, "Linking Block 1")
226 ### Linking Block 2 ###
228 p_25_0_1 = geompy.MakeVertex(25., 0., 1.)
229 p_45_110_1 = geompy.MakeVertex(45., -110., 1.)
231 Face21l = geompy.GetFaceNearPoint(Block4, p_25_0_1)
232 id_face21l = geompy.addToStudy(Face21l, "1 Face for Linking Block 2")
234 Face22l = geompy.GetFaceNearPoint(Gear, p_45_110_1)
235 id_face22l = geompy.addToStudy(Face22l, "2 Face for Linking Block 2")
237 Block2l = geompy.MakeHexa2Faces(Face21l, Face22l)
238 id_block2l = geompy.addToStudy(Block2l, "Linking Block 2")
240 ### Linking Block 3 ###
242 p_55_30_1 = geompy.MakeVertex(55., 30., 1.)
243 p_65_110_1 = geompy.MakeVertex(65., -110., 1.)
245 Face31l = geompy.GetFaceNearPoint(Mirror1, p_55_30_1)
246 id_face31l = geompy.addToStudy(Face31l, "1 Face for Linking Block 3")
248 Face32l = geompy.GetFaceNearPoint(Gear, p_65_110_1)
249 id_face32l = geompy.addToStudy(Face32l, "2 Face for Linking Block 3")
251 Block3l = geompy.MakeHexa2Faces(Face31l, Face32l)
252 id_block3l = geompy.addToStudy(Block3l, "Linking Block 3")
256 CompLB = geompy.MakeCompound([Block1l, Block2l, Block3l])
257 Handle = geompy.MakeGlueFaces(CompLB, 1e-5)
258 id_handle = geompy.addToStudy(Handle, "Handle")
260 Block1h = geompy.GetBlockNearPoint(Handle, p_45_110_1)
261 id_block1h = geompy.addToStudyInFather(Handle, Block1h, "Block 1 of Handle")
263 Block2h = geompy.GetBlockNearPoint(Handle, p_65_110_1)
264 id_block2h = geompy.addToStudyInFather(Handle, Block2h, "Block 2 of Handle")
266 Face11h = geompy.GetFaceByNormale(Block1h, vx)
267 id_face11h = geompy.addToStudyInFather(Block1h, Face11h, "Face 1")
269 Face12h = geompy.GetOppositeFace(Block1h, Face11h)
270 id_face12h = geompy.addToStudyInFather(Block1h, Face12h, "Face 2")
272 Face21h = geompy.GetFaceByNormale(Block2h, vx)
273 id_face21h = geompy.addToStudyInFather(Block2h, Face21h, "Face 1")
275 Face22h = geompy.GetOppositeFace(Block2h, Face21h)
276 id_face22h = geompy.addToStudyInFather(Block2h, Face22h, "Face 2")
279 Block3h = geompy.GetBlockByParts(Handle, [Face11h, Face21h])
282 Block3h = geompy.GetBlockByParts(Handle, [Face11h, Face22h])
285 Block3h = geompy.GetBlockByParts(Handle, [Face12h, Face21h])
288 Block3h = geompy.GetBlockByParts(Handle, [Face12h, Face22h])
290 print "ERROR: BlocksOp.GetBlockByParts() failed : ", geompy.BlocksOp.GetErrorCode()
292 id_block3h = geompy.addToStudyInFather(Handle, Block3h, "Block 3 of Handle")
294 ### The whole shape ###
296 CompALL = geompy.MakeCompound([Glue1234, Block5, Mirror1, Handle, Gear])
297 Spanner = geompy.MakeGlueFaces(CompALL, 1e-5)
298 id_glueALL = geompy.addToStudy(Spanner, "The Spanner")
300 ### Check the Spanner ###
302 isCompOfBlocks6 = geompy.CheckCompoundOfBlocks(Spanner)
303 if isCompOfBlocks6 == 0:
304 print "Spanner is not a compound of hexahedral solids"
305 (NonBlocks, NonQuads) = geompy.GetNonBlocks(Spanner)
306 if NonBlocks is not None:
307 geompy.addToStudyInFather(Spanner, NonBlocks, "Group of non-hexahedral solids")
308 if NonQuads is not None:
309 geompy.addToStudyInFather(Spanner, NonQuads, "Group of non-quadrangular faces")
311 print "Spanner is a compound of hexahedral solids"
313 if isBlocksTest == 1:
315 print "##################### Test More #####################"
317 ### Get Blocks 4 and 5 from the spanner ###
319 Face42_sp = geompy.GetFaceByEdges(Spanner, Edge41, Edge42)
320 id_face42_sp = geompy.addToStudyInFather(Spanner, Face42_sp, "Face 4_2")
322 Blocks_f4_sp = geompy.GetBlocksByParts(Spanner, [Face42_sp])
326 for aBlock in Blocks_f4_sp:
327 name = geompy.SubShapeName(aBlock, Spanner)
328 Id_block = geompy.addToStudyInFather(Spanner, aBlock, name)
330 f42_sp_ind = geompy.LocalOp.GetSubShapeIndex(aBlock, Face42_sp)
332 Face_5_horiz = geompy.GetFaceByNormale(aBlock, vz)
333 f_5_horiz_ind = geompy.LocalOp.GetSubShapeIndex(aBlock, Face_5_horiz)
338 MRot = geompy.MakeMultiTransformation2D(aBlock, f42_sp_ind, 0, 3, f_5_horiz_ind, 0, 5)
341 if is2Dok and MRot is not None:
343 p_z100 = geompy.MakeVertex(0., 0., 100.)
344 MRot_tr = geompy.MakeTranslationTwoPoints(MRot, p0, p_z100)
345 id_MRot_tr = geompy.addToStudy(MRot_tr, "Multi-rotated block 5")
348 print "2D Multi Transformation failed"
350 ### Get one face of the Gear ###
352 p_20_0_tr = geompy.MakeTranslationTwoPoints(p_20_0 , p0, p_60_150_0)
353 p_20_0_r_tr = geompy.MakeTranslationTwoPoints(p_20_0_r, p0, p_60_150_0)
354 p_40_0_tr = geompy.MakeTranslationTwoPoints(p_40_0 , p0, p_60_150_0)
355 p_40_0_r_tr = geompy.MakeTranslationTwoPoints(p_40_0_r, p0, p_60_150_0)
357 Face_g_1 = geompy.GetFaceByPoints(Gear, p_20_0_tr, p_20_0_r_tr, p_40_0_tr, p_40_0_r_tr)
358 id_face_g_1 = geompy.addToStudyInFather(Gear, Face_g_1, "Face of Gear by four points")
360 edgesNb = geompy.ShapesOp.NumberOfEdges(Face_g_1)
361 print "Face of Gear has ", edgesNb, " edges"
363 Face_g_1_tr = geompy.MakeTranslationTwoPoints(Face_g_1, p0, pth)
364 id_face_g_1_tr = geompy.addToStudyInFather(Gear, Face_g_1_tr, "Face of Gear by four points, translated")
366 ### equivalent of Block1s, but made as block
368 Block_new = geompy.MakeHexa2Faces(Face_g_1, Face_g_1_tr)
369 id_block_new = geompy.addToStudy(Block_new, "Block New")
371 if isMeshTest == 1 and smesh is not None:
373 print "##################### Build Mesh #####################"
376 # ---- add a middle block of spanner handle in study
378 p_45_0_1 = geompy.MakeVertex(45., 0., 1.)
379 BlockMh = geompy.GetBlockNearPoint(Spanner, p_45_0_1)
380 id_blockMh = geompy.addToStudyInFather(Spanner, BlockMh, "Middle Block of Spanner Handle")
382 # ---- add the top face of the middle block in study
384 FaceTop = geompy.GetFaceByNormale(BlockMh, vz)
385 id_facetop = geompy.addToStudyInFather(BlockMh, FaceTop, "Top Face")
387 # ---- add long edges of the top face in study
389 FaceTop_edges = geompy.SubShapeAllSortedCentres(FaceTop, geompy.ShapeType["EDGE"])
390 Edge1 = FaceTop_edges[0]
391 Edge2 = FaceTop_edges[3]
392 Id_Edge1 = geompy.addToStudyInFather(FaceTop, Edge1, "Edge 1")
393 Id_Edge2 = geompy.addToStudyInFather(FaceTop, Edge2, "Edge 2")
395 print "-------------------------- Algorithm and Hypothesis"
397 print "---- Init a Mesh with the Spanner"
399 mesh = smesh.Mesh(Spanner, "Meshed Spanner")
401 print "-------------------------- add hypothesis to Spanner"
403 print "-------------------------- NumberOfSegments"
404 algoReg = mesh.Segment()
405 listHyp = algoReg.GetCompatibleHypothesis()
408 print algoReg.GetName()
409 print algoReg.GetId()
410 algoReg.SetName("Regular_1D")
413 hypNbSeg3 = algoReg.NumberOfSegments(3)
414 print hypNbSeg3.GetName()
415 print hypNbSeg3.GetId()
416 print hypNbSeg3.GetNumberOfSegments()
417 smesh.SetName(hypNbSeg3, "NumberOfSegments_3")
419 print "-------------------------- Quadrangle_2D"
421 algoQuad = mesh.Quadrangle()
422 listHyp = algoQuad.GetCompatibleHypothesis()
425 print algoQuad.GetName()
426 print algoQuad.GetId()
427 algoQuad.SetName("Quadrangle_2D")
429 print "-------------------------- add hypothesis to the Middle Block"
431 print "-------------------------- LocalLength"
432 algoRegMb = mesh.Segment(BlockMh)
433 hypLen1 = algoRegMb.LocalLength(10)
434 print hypLen1.GetName()
435 print hypLen1.GetId()
436 print hypLen1.GetLength()
437 smesh.SetName(hypLen1, "Local_Length_10")
439 print "-------------------------- add hypothesis to the long edges of the Top Face of the Middle Block"
441 algoRegE1 = mesh.Segment(Edge1)
442 hypPropE1 = algoRegE1.Propagation()
443 print hypPropE1.GetName()
444 print hypPropE1.GetId()
445 smesh.SetName(hypPropE1, "Propagation hypothesis")
446 smesh.SetName(algoRegE1.GetSubMesh(), "SubMesh Edge 1 of Top Face")
448 algoRegE2 = mesh.Segment(Edge2)
449 hypPropE2 = algoRegE2.Propagation()
450 print hypPropE2.GetName()
451 print hypPropE2.GetId()
452 smesh.SetName(hypPropE2, "Propagation hypothesis")
453 smesh.SetName(algoRegE2.GetSubMesh(), "SubMesh Edge 2 of Top Face")
455 print "-------------------------- compute the mesh"
458 print "Information about the Mesh:"
459 print "Number of nodes : ", mesh.NbNodes()
460 print "Number of edges : ", mesh.NbEdges()
461 print "Number of faces : ", mesh.NbFaces()
462 print "Number of triangles : ", mesh.NbTriangles()
463 print "Number of quadrangles : ", mesh.NbQuadrangles()
464 print "Number of volumes : ", mesh.NbVolumes()
465 print "Number of tetrahedrons: ", mesh.NbTetras()