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https://git.salome-platform.org/gitpub/modules/smesh.git
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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# Add Polyhedron
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import salome
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salome.salome_init()
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from salome.smesh import smeshBuilder
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smesh = smeshBuilder.New(salome.myStudy)
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import math
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# create an empty mesh structure
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mesh = smesh.Mesh()
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# Create nodes for 12-hedron with pentagonal faces
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al = 2 * math.pi / 5.0
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cosal = math.cos(al)
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aa = 13
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rr = aa / (2.0 * math.sin(al/2.0))
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dr = 2.0 * rr * cosal
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r1 = rr + dr
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dh = rr * math.sqrt(2.0 * (1.0 - cosal * (1.0 + 2.0 * cosal)))
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hh = 2.0 * dh - dr * (rr*(cosal - 1) + (rr + dr)*(math.cos(al/2) - 1)) / dh
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dd = [] # top
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cc = [] # below top
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bb = [] # above bottom
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aa = [] # bottom
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for i in range(5):
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cos_bot = math.cos(i*al)
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sin_bot = math.sin(i*al)
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cos_top = math.cos(i*al + al/2.0)
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sin_top = math.sin(i*al + al/2.0)
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nd = mesh.AddNode(rr * cos_top, rr * sin_top, hh ) # top
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nc = mesh.AddNode(r1 * cos_top, r1 * sin_top, hh - dh) # below top
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nb = mesh.AddNode(r1 * cos_bot, r1 * sin_bot, dh) # above bottom
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na = mesh.AddNode(rr * cos_bot, rr * sin_bot, 0) # bottom
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dd.append(nd) # top
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cc.append(nc) # below top
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bb.append(nb) # above bottom
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aa.append(na) # bottom
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pass
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# Create a polyhedral volume (12-hedron with pentagonal faces)
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mesh.AddPolyhedralVolume([dd[0], dd[1], dd[2], dd[3], dd[4], # top
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dd[0], cc[0], bb[1], cc[1], dd[1], # -
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dd[1], cc[1], bb[2], cc[2], dd[2], # -
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dd[2], cc[2], bb[3], cc[3], dd[3], # - below top
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dd[3], cc[3], bb[4], cc[4], dd[4], # -
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dd[4], cc[4], bb[0], cc[0], dd[0], # -
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aa[4], bb[4], cc[4], bb[0], aa[0], # .
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aa[3], bb[3], cc[3], bb[4], aa[4], # .
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aa[2], bb[2], cc[2], bb[3], aa[3], # . above bottom
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aa[1], bb[1], cc[1], bb[2], aa[2], # .
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aa[0], bb[0], cc[0], bb[1], aa[1], # .
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aa[0], aa[1], aa[2], aa[3], aa[4]], # bottom
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[5,5,5,5,5,5,5,5,5,5,5,5])
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if salome.sg.hasDesktop():
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salome.sg.updateObjBrowser(True)
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