2021-03-23 14:05:55 +05:00
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import sys
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import salome
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salome.salome_init()
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import GEOM
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from salome.geom import geomBuilder
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import math
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import SALOMEDS
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geompy = geomBuilder.New()
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2021-04-05 22:15:47 +05:00
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def faceCenteredCubic(alpha, fillet = False):
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2021-03-23 14:05:55 +05:00
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O = geompy.MakeVertex(0, 0, 0)
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OX = geompy.MakeVectorDXDYDZ(1, 0, 0)
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OY = geompy.MakeVectorDXDYDZ(0, 1, 0)
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OZ = geompy.MakeVectorDXDYDZ(0, 0, 1)
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V = geompy.MakeVectorDXDYDZ(1, 1, 1)
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V_1 = geompy.MakeVectorDXDYDZ(1, 1, 0)
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V_2 = geompy.MakeVectorDXDYDZ(1, -1, 0)
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L = 1.0
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r0 = L*math.sqrt(2)/4
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a=2*r0
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b=L/2
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#c=b/2
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d = L*math.sqrt(3)
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h = d/3
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2021-03-23 14:05:55 +05:00
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Pi_4 = 45*math.pi/180.0
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2021-03-26 17:54:37 +05:00
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n = 3 # number of cubes in line
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Vertex_1 = geompy.MakeVertex(-a, -a, -b)
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Vertex_2 = geompy.MakeVertex(a, a, b)
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2021-03-26 17:54:37 +05:00
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Vertex_3 = geompy.MakeVertex(-b*(n-1), 0, -b*(n-2)) # Center of Sphere_1
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Vertex_4 = geompy.MakeVertex(-b*n, 0, -b*(n-3)) # Center of Sphere_2
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Vertex_5 = geompy.MakeVertex(0, 0, -b)
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2021-03-26 17:54:37 +05:00
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sk = geompy.Sketcher3D() # Rombus
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sk.addPointsAbsolute(-b, -b, b) # Vertex_1 of Rombus
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sk.addPointsAbsolute(0, -b, 0) # Vertex_2 of Rombus
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sk.addPointsAbsolute(0, 0, -b) # Vertex_3 of Rombus
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sk.addPointsAbsolute(-b, 0, 0) # Vertex_4 of Rombus
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sk.addPointsAbsolute(-b, -b, b) # Vertex_1 of Rombus
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2021-03-23 14:05:55 +05:00
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a3D_Sketcher_1 = sk.wire()
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Face_1 = geompy.MakeFaceWires([a3D_Sketcher_1], 1)
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Face_1_Up = geompy.MakeTranslation(Face_1, b, b, 0)
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Rhombohedron = geompy.MakeHexa2Faces(Face_1, Face_1_Up)
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2021-03-26 17:54:37 +05:00
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sk_2 = geompy.Sketcher3D() # Triangle
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sk_2.addPointsAbsolute(-2*b/3, -2*b/3, b/3) # Vertex_1 of Triangle
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sk_2.addPointsAbsolute(0, -b, 0) # Vertex_2 of Triangle
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sk_2.addPointsAbsolute(-b/3, -b/3, -b/3) # Vertex_3 of Triangle
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sk_2.addPointsAbsolute(-2*b/3, -2*b/3, b/3) # Vertex_1 of Triangle
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a3D_Sketcher_2 = sk_2.wire()
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Face_2 = geompy.MakeFaceWires([a3D_Sketcher_2], 1)
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Extrusion_2 = geompy.MakePrismVecH(Face_2, V, h)
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2021-03-26 17:54:37 +05:00
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sk_3 = geompy.Sketcher3D() # Hexagon
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sk_3.addPointsAbsolute(-2*b/3, -2*b/3, b/3) # Vertex_1 of Hexagon
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sk_3.addPointsAbsolute(0, -b, 0) # Vertex_2 of Hexagon
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sk_3.addPointsAbsolute(b/3, -2*b/3, -2*b/3) # Vertex_3 of Hexagon
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sk_3.addPointsAbsolute(0, 0, -b) # Vertex_4 of Hexagon
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sk_3.addPointsAbsolute(-2*b/3, b/3, -2*b/3) # Vertex_5 of Hexagon
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sk_3.addPointsAbsolute(-b, 0, 0) # Vertex_6 of Hexagon
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sk_3.addPointsAbsolute(-2*b/3, -2*b/3, b/3) # Vertex_1 of Hexagon
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a3D_Sketcher_3 = sk_3.wire()
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Face_3 = geompy.MakeFaceWires([a3D_Sketcher_3], 1)
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Extrusion_3 = geompy.MakePrismVecH(Face_3, V, h)
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Translation_1 = geompy.MakeTranslation(a3D_Sketcher_3, -(n-2)*L/3, -(n-2)*L/3, -(n-2)*L/3)
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Face_4 = geompy.MakeFaceWires([Translation_1], 1)
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Vector_1 = geompy.MakeVectorDXDYDZ(1, 1, 1)
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Extrusion_4 = geompy.MakePrismVecH(Face_4, Vector_1, (2*n-3)/3.0*d) # Extrusion_3Direction
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Box_1 = geompy.MakeBoxTwoPnt(Vertex_1, Vertex_2)
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Rotation_1 = geompy.MakeRotation(Box_1, OZ, Pi_4)
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Box_2 = geompy.MakeBoxTwoPnt(Vertex_5, Vertex_2)
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Rotation_2 = geompy.MakeRotation(Box_2, OZ, Pi_4)
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geompy.addToStudy( O, 'O' )
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geompy.addToStudy( OX, 'OX' )
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geompy.addToStudy( OY, 'OY' )
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geompy.addToStudy( OZ, 'OZ' )
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geompy.addToStudy( V_1, 'V_1' )
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geompy.addToStudy( V_2, 'V_2' )
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geompy.addToStudy( Box_1, 'Box_1' )
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geompy.addToStudy( Rotation_1, 'Rotation_1' )
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geompy.addToStudy( Box_2, 'Box_2' )
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geompy.addToStudy( Rotation_2, 'Rotation_2_' )
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geompy.addToStudy( a3D_Sketcher_1, 'a3D_Sketcher_1' )
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geompy.addToStudy( Face_1, 'Face_1' )
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geompy.addToStudy( Face_1_Up, 'Face_1_Up' )
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geompy.addToStudy( Rhombohedron, 'Rhombohedron' )
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geompy.addToStudy( a3D_Sketcher_2, 'a3D_Sketcher_2' )
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geompy.addToStudy( Face_2, 'Face_2' )
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geompy.addToStudy( Extrusion_2, 'Extrusion_2' )
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geompy.addToStudy( a3D_Sketcher_3, 'a3D_Sketcher_3' )
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geompy.addToStudy( Face_3, 'Face_3' )
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geompy.addToStudy( Extrusion_3, 'Extrusion_3' )
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2021-03-26 17:54:37 +05:00
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geompy.addToStudy( Face_4, 'Face_4' )
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geompy.addToStudy( Extrusion_4, 'Extrusion_4' )
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2021-03-23 14:05:55 +05:00
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Radius = r0/(1-alpha)
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Sphere_1 = geompy.MakeSpherePntR(Vertex_3, Radius)
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Down = geompy.MakeMultiTranslation2D(Sphere_1, V_1, a, n, V_2, a, n)
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Up_Down = geompy.MakeMultiTranslation1D(Down, OZ, 1, n-1)
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Cut_1 = geompy.MakeCutList(Rotation_1, [Up_Down], True)
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Sphere_2 = geompy.MakeSpherePntR(Vertex_4, Radius)
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Middle = geompy.MakeMultiTranslation2D(Sphere_2, V_1, a, n+1, V_2, a, n+1)
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Middle_Up = geompy.MakeMultiTranslation1D(Middle, OZ, 1, n-2)
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Cut_2 = geompy.MakeCutList(Cut_1, [Middle_Up], True)
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Common = geompy.MakeCommonList([Cut_2, Rotation_2], True)
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Pore_3 = geompy.MakeCommonList([Rhombohedron, Cut_2], True)
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Cut_3 = geompy.MakeCutList(Extrusion_2, [Up_Down], True)
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Cut_4 = geompy.MakeCutList(Cut_3, [Middle_Up], True)
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Cut_5 = geompy.MakeCutList(Extrusion_3, [Up_Down], True)
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Cut_6 = geompy.MakeCutList(Cut_5, [Middle_Up], True)
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Cut_7 = geompy.MakeCutList(Extrusion_4, [Up_Down], True)
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Cut_8 = geompy.MakeCutList(Cut_7, [Middle_Up], True)
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2021-03-31 23:11:29 +05:00
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#geompy.addToStudy( Sphere_1, 'Sphere_' )
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geompy.addToStudy( Down, 'Down_' )
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geompy.addToStudy( Up_Down, 'Up_Down_' )
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geompy.addToStudy( Cut_1, 'Cut_1_' )
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geompy.addToStudy( Middle_Up, 'Middle_Up_' )
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geompy.addToStudy( Cut_2, 'Pore_' )
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geompy.addToStudy( Common, 'Pore_2_' )
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geompy.addToStudy( Pore_3, 'Pore_3_' )
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geompy.addToStudy( Cut_4, 'Pore_3a_' )
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geompy.addToStudy( Cut_6, 'Pore_3b_' )
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geompy.addToStudy( Cut_8, 'Pore_3c_' )
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2021-03-23 14:05:55 +05:00
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if salome.sg.hasDesktop():
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salome.sg.updateObjBrowser()
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2021-03-26 17:54:37 +05:00
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2021-03-24 21:27:12 +05:00
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# Preparation
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grains = geompy.ExtractShapes(Up_Down, geompy.ShapeType["SOLID"], True)
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grains += geompy.ExtractShapes(Middle_Up, geompy.ShapeType["SOLID"], True)
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grains = geompy.MakeFuseList(grains, False, False)
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2021-04-05 22:15:47 +05:00
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geometry1 = Common
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geometry2 = Cut_8
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if fillet:
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R = r0 / (1 - alpha)
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C1 = 0.8
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C2 = 0.01
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alpha1 = 0.01
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alpha2 = 0.13
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Cf = C1 + (C2 - C1) / (alpha2 - alpha1) * (alpha - alpha1)
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R_fillet = Cf * (R - r0)
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# Scaling up
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scale = 100
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grains = geompy.MakeScaleTransform(grains, O, scale)
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geometry1 = geompy.MakeScaleTransform(geometry1, O, scale)
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geometry2 = geompy.MakeScaleTransform(geometry2, O, scale)
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#
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grains = geompy.MakeFilletAll(grains, R_fillet * scale)
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geometry1 = geompy.MakeCutList(geometry1, [grains], True)
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geometry2 = geompy.MakeCutList(geometry2, [grains], True)
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# Scaling down
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grains = geompy.MakeScaleTransform(grains, O, 1 / scale)
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geometry1 = geompy.MakeScaleTransform(geometry1, O, 1 / scale)
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geometry2 = geompy.MakeScaleTransform(geometry2, O, 1 / scale)
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2021-04-05 15:18:51 +05:00
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#
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geompy.addToStudy(grains, "grains")
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geompy.addToStudy(geometry1, "geometry1")
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geompy.addToStudy(geometry2, "geometry2")
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2021-03-30 14:49:06 +05:00
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return grains, geometry1, geometry2
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