""" Johnson Körperr J34 22.02.2021 www.3d-meier.de http://dmccooey.com/polyhedra/PentagonalOrthobirotunda.html """ import c4d import math # Variablen und Konstanten Titel = 'Johnson Körper J34' # Name NP = 30 # Anzahl Punkte N3 = 20 # Anzahl Dreiecke N5 = 12 # Anzahl Fuenfecke Radius = 2 # Radius der Eckpunktkugeln C0 = math.sqrt(10 * (5 - math.sqrt(5))) / 20 C1 = math.sqrt(10 * (5 + math.sqrt(5))) / 20 C2 = math.sqrt(5 * (5 + 2 * math.sqrt(5))) / 10 C3 = (1 + math.sqrt(5)) / 4 C4 = math.sqrt(10 * (5 + math.sqrt(5))) / 10 C5 = math.sqrt(2 * (5 + math.sqrt(5))) / 4 C6 = math.sqrt(10 * (25 + 11 * math.sqrt(5))) / 20 C7 = (3 + math.sqrt(5)) / 4 C8 = math.sqrt(5 * (5 + 2 * math.sqrt(5))) / 5 C9 = math.sqrt(5 + 2 * math.sqrt(5)) / 2 C10 = (1 + math.sqrt(5)) / 2 Punkte = [( C10, 0.0, 0.0), (-C10, 0.0, 0.0), ( C7, 0.0, C5), ( C7, 0.0, -C5), ( -C7, 0.0, C5), ( -C7, 0.0, -C5), ( 0.5, 0.0, C9), ( 0.5, 0.0, -C9), (-0.5, 0.0, C9), (-0.5, 0.0, -C9), ( C3, C8, C0), ( C3, -C8, C0), ( -C3, C8, C0), ( -C3, -C8, C0), ( 0.5, C8, -C2), ( 0.5, -C8, -C2), (-0.5, C8, -C2), (-0.5, -C8, -C2), ( 0.0, C8, C4), ( 0.0, -C8, C4), ( C7, C4, -C1), ( C7, -C4, -C1), ( -C7, C4, -C1), ( -C7, -C4, -C1), ( C3, C4, C6), ( C3, -C4, C6), ( -C3, C4, C6), ( -C3, -C4, C6), ( 0.0, C4, -C8), ( 0.0, -C4, -C8)] Dreiecke = [( 26, 8, 4, 4 ), ( 22, 1, 5, 5 ), ( 28, 9, 7, 7 ), ( 20, 3, 0, 0 ), ( 24, 2, 6, 6 ), ( 26, 12, 18, 18 ), ( 22, 16, 12, 12 ), ( 28, 14, 16, 16 ), ( 20, 10, 14, 14 ), ( 24, 18, 10, 10 ), ( 25, 6, 2, 2 ), ( 21, 0, 3, 3 ), ( 29, 7, 9, 9 ), ( 23, 5, 1, 1 ), ( 27, 4, 8, 8 ), ( 25, 11, 19, 19 ), ( 21, 15, 11, 11 ), ( 29, 17, 15, 15 ), ( 23, 13, 17, 17 ), ( 27, 19, 13, 13 )] Fuenfecke = [( 18, 12, 16, 14, 10 ), ( 19, 11, 15, 17, 13 ), ( 26, 18, 24, 6, 8 ), ( 22, 12, 26, 4, 1 ), ( 28, 16, 22, 5, 9 ), ( 20, 14, 28, 7, 3 ), ( 24, 10, 20, 0, 2 ), ( 25, 19, 27, 8, 6 ), ( 21, 11, 25, 2, 0 ), ( 29, 15, 21, 3, 7 ), ( 23, 17, 29, 9, 5 ), ( 27, 13, 23, 1, 4 )] Faktor = 100 # Skalierungsfaktor k = 1 # Korrekturfaktor fuer Kantenlaenge 1 #************************************************************************ def CreateNullobjekt1(): obj = c4d.BaseObject(c4d.Onull) obj.SetName(Titel) obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateNullobjekt2(): obj = c4d.BaseObject(c4d.Onull) obj.SetName('Ecken') obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateNullobjekt3(): obj = c4d.BaseObject(c4d.Onull) obj.SetName('Kanten') obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateNullobjekt4(): obj = c4d.BaseObject(c4d.Onull) obj.SetName('Polygone') obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateDreiecke(): obj = c4d.BaseObject(c4d.Opolygon) obj.ResizeObject(NP,N3) obj.SetName('Dreiecke') # Punkte uebergeben for i in xrange(NP): obj.SetPoint(i, c4d.Vector(Punkte[i][0]*Faktor*k, Punkte[i][1]*Faktor*k, Punkte[i][2]*Faktor*k)) # Dreiecke setzen for i in xrange(N3): obj.SetPolygon( i, c4d.CPolygon(Dreiecke[i][0], Dreiecke[i][1], Dreiecke[i][2], Dreiecke[i][3])) obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateFuenfecke(): obj = c4d.BaseObject(c4d.Opolygon) obj.ResizeObject(NP, N5*2) obj.SetName('Fünfecke') # Punkte uebergeben for i in xrange(NP): obj.SetPoint(i, c4d.Vector(Punkte[i][0]*Faktor*k, Punkte[i][1]*Faktor*k, Punkte[i][2]*Faktor*k)) zz = 0 # Zaehler fuer Polygone zuruecksetzen for i in xrange(N5): obj.SetPolygon(zz, c4d.CPolygon(Fuenfecke[i][0], Fuenfecke[i][1], Fuenfecke[i][2], Fuenfecke[i][4])) zz = zz + 1 obj.SetPolygon(zz, c4d.CPolygon(Fuenfecke[i][2], Fuenfecke[i][3], Fuenfecke[i][4], Fuenfecke[i][4])) zz = zz + 1 obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateSplineDreiecke(): obj = c4d.BaseObject(c4d.Ospline) obj.SetName("Spline-Dreiecke") obj.ResizeObject(N3*3) zz = 0 for i in xrange(N3): for j in xrange(3): x = Punkte[Dreiecke[i][j]][0] y = Punkte[Dreiecke[i][j]][1] z = Punkte[Dreiecke[i][j]][2] obj.SetPoint(zz, c4d.Vector(x*Faktor*k, y*Faktor*k, z*Faktor*k)) zz = zz + 1 # Segmente erzeugen obj.MakeVariableTag(c4d.Tsegment, N3) for i in range(0, N3): obj.SetSegment(i, 3, True) # Spline schliessen obj[c4d.SPLINEOBJECT_CLOSED] = True# obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def CreateSplineFuenfecke(): obj = c4d.BaseObject(c4d.Ospline) obj.SetName("Spline-Fünfecke") obj.ResizeObject(N5*5) zz = 0 for i in xrange(N5): for j in xrange(5): x = Punkte[Fuenfecke[i][j]][0] y = Punkte[Fuenfecke[i][j]][1] z = Punkte[Fuenfecke[i][j]][2] obj.SetPoint(zz, c4d.Vector(x*Faktor*k, y*Faktor*k, z*Faktor*k)) zz = zz + 1 # Segmente erzeugen obj.MakeVariableTag(c4d.Tsegment, N5) for i in range(0, N5): obj.SetSegment(i, 5, True) # Spline schliessen obj[c4d.SPLINEOBJECT_CLOSED] = True obj.Message(c4d.MSG_UPDATE) return obj #************************************************************************ def main(): nullobj1 = CreateNullobjekt1() nullobj2 = CreateNullobjekt2() # Ecken nullobj3 = CreateNullobjekt3() # Kanten nullobj4 = CreateNullobjekt4() # Polygone plyobj1 = CreateDreiecke() plyobj2 = CreateFuenfecke() splobj1 = CreateSplineDreiecke() splobj2 = CreateSplineFuenfecke() doc.InsertObject(nullobj1, None, None, True) doc.InsertObject(nullobj4, nullobj1, None, True) doc.InsertObject(nullobj3, nullobj1, None, True) doc.InsertObject(nullobj2, nullobj1, None, True) doc.InsertObject(splobj2, nullobj3, None, True) doc.InsertObject(splobj1, nullobj3, None, True) doc.InsertObject(plyobj2, nullobj4, None, True) doc.InsertObject(plyobj1, nullobj4, None, True) # Kugeln auf Eckpunkte setzen for i in range(0, NP): obj = c4d.BaseObject(c4d.Osphere) obj[c4d.PRIM_SPHERE_RAD] = Radius obj.SetName(str(i)) x = Punkte[i][0] y = Punkte[i][1] z = Punkte[i][2] obj.SetAbsPos(c4d.Vector(x*Faktor*k, y*Faktor*k, z*Faktor*k)) doc.InsertObject(obj, nullobj2, None, True) c4d.EventAdd() if __name__=='__main__': main()