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[bos #41409][FORUM] (2024) kindOfShape() bug for CONE2D
Make KindOfShape() work correctly in cases, when substrate surface is cone and contour-wire is arbitrary (tested with a wire, composed of lines and 2-order curves).
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doc/salome/examples/kind_of_shape_cone.py
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137
doc/salome/examples/kind_of_shape_cone.py
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@ -0,0 +1,137 @@
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# Sample: KindOfShape method for faces, which are results of partitioning of a conical surface with a prism with complex base.
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# Faces of the prism are not perpendicular to cone axis, therefore contour-wires of resulting cone fragments are composed of lines and 2-order curves.
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import sys
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import salome
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salome.salome_init()
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import salome_notebook
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notebook = salome_notebook.NoteBook()
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###
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### GEOM component
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###
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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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def approximatelyEqual(a, b, epsilon = 1e-5):
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return abs(a - b) <= ((abs(b) if (abs(a) < abs(b)) else abs(a)) * epsilon)
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def assertShapeKindEquals(iShapeInfo, iKind):
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assert (len(iShapeInfo) > 0), "Yielded data array is empty."
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assert (iShapeInfo[0] == iKind), f"Expected shape kind is {iKind}, but yielded kind is {iShapeInfo[0]}."
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def assertConePropsEqual(iShapeName, iShapeInfo, iExpectedShapeInfo):
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assertShapeKindEquals(iShapeInfo, geompy.kind.CONE2D)
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assert (len(iShapeInfo) == len(iExpectedShapeInfo)), f"{iShapeName}: Yielded data array is of unexpected length."
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for idx in range(1, len(iShapeInfo)):
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assert (approximatelyEqual(iShapeInfo[idx], iExpectedShapeInfo[idx])), f"{iShapeName}: Yielded data array element is not equal to the expected value."
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def assertConeInfoEquals(iFace, iExpectedShapeInfo, iAddRestoredConeToStudy = False):
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ShapeInfo = geompy.KindOfShape(iFace)
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print("ShapeInfo of " + iFace.GetName() + " = ", end = "")
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print(ShapeInfo, ', ')
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assertConePropsEqual(iFace.GetName(), ShapeInfo, iExpectedShapeInfo)
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if (iAddRestoredConeToStudy):
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BottomLidCenter = geompy.MakeVertex(ShapeInfo[1], ShapeInfo[2], ShapeInfo[3])
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AxisAuxPnt = geompy.MakeVertex(ShapeInfo[1] + ShapeInfo[4], ShapeInfo[2] + ShapeInfo[5], ShapeInfo[3] + ShapeInfo[6])
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Axis = geompy.MakeVector(BottomLidCenter, AxisAuxPnt)
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R1 = ShapeInfo[7] # Bottom lid radius.
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R2 = ShapeInfo[8] # Top lid radius.
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H = ShapeInfo[9]
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RestoredCone = geompy.MakeCone(BottomLidCenter, Axis, R1, R2, H)
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geompy.addToStudy(RestoredCone, iFace.GetName() + '__RestoredCone')
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# iExpectedConeFragmentShapeInfos is a dictionary of [IndexOfFace, ExpectedShapeInfoOfFace]. IndexOfFace is zero-based index, not one-based one as in Shaper GUI!
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def partitionConeAndAssertShapeInfosEqual(iCone, iPartitioningShape, iExpectedConeFragmentShapeInfos, iAddResultsToStudy):
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PartitionedCone = geompy.MakePartition([iCone], [iPartitioningShape], [], [], geompy.ShapeType["FACE"], 0, [], 0)
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if (iAddResultsToStudy):
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geompy.addToStudy(PartitionedCone, "Partitioned" + iCone.GetName())
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ConeFragments = geompy.ExtractShapes(PartitionedCone, geompy.ShapeType["FACE"], True)
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ConeFragmentsIdxs = iExpectedConeFragmentShapeInfos.keys()
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for ConeFragmentIdx in ConeFragmentsIdxs:
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assert (ConeFragmentIdx < len(ConeFragments)), f"Num of faces, {iCone.GetName()} is partitioned into, <= {ConeFragmentIdx} (zero-based index)."
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ConeFragment = ConeFragments[ConeFragmentIdx]
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ConeFragmentName = f"Partitioned{iCone.GetName()}_Face_{ConeFragmentIdx+1}" # Add index to a name as Shaper GUI does.
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if (iAddResultsToStudy):
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geompy.addToStudyInFather(PartitionedCone, ConeFragment, ConeFragmentName)
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else:
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ConeFragment.SetName(ConeFragmentName)
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assertConeInfoEquals(ConeFragment, iExpectedConeFragmentShapeInfos[ConeFragmentIdx], iAddResultsToStudy)
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geompy = geomBuilder.New()
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OriginalConeBaseCenter = geompy.MakeVertex(100, 130, -60)
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OriginalConeAxisAuxPnt = geompy.MakeVertex(100, 230, 40)
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OriginalConeAxis = geompy.MakeVector(OriginalConeBaseCenter, OriginalConeAxisAuxPnt)
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OriginalCone = geompy.MakeCone(OriginalConeBaseCenter, OriginalConeAxis, 100, 50, 300)
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PrismSubstrateCenter = geompy.MakeVertex(100, 1000, 50)
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PrismDirAuxPnt = geompy.MakeVertex(100, 950, 50)
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PrismDir = geompy.MakeVector(PrismSubstrateCenter, PrismDirAuxPnt)
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PrismSubstrate = geompy.MakeDiskPntVecR(PrismSubstrateCenter, PrismDir, 100)
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sk = geompy.Sketcher2D()
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sk.addPoint(0.395986, 43.346713)
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sk.addSegmentAbsolute(66.321537, 41.733575)
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sk.addSegmentAbsolute(80.619408, -2.852314)
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sk.addSegmentAbsolute(67.641539, -38.565150)
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sk.addSegmentAbsolute(22.193602, -56.632163)
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sk.addSegmentAbsolute(-19.060136, -51.084351)
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sk.addSegmentAbsolute(-60.823572, 34.825751)
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sk.addSegmentAbsolute(-13.047004, 55.727527)
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sk.close()
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PrismBase = sk.wire(PrismSubstrate)
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Prism = geompy.MakePrismVecH(PrismBase, PrismDir, 1400)
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geompy.addToStudy( OriginalConeBaseCenter, 'OriginalConeBaseCenter' )
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geompy.addToStudy( OriginalConeAxisAuxPnt, 'OriginalConeAxisAuxPnt' )
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geompy.addToStudy( OriginalConeAxis, 'OriginalConeAxis' )
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geompy.addToStudy( OriginalCone, 'OriginalCone' )
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geompy.addToStudy( PrismSubstrateCenter, 'PrismSubstrateCenter' )
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geompy.addToStudy( PrismDirAuxPnt, 'PrismDirAuxPnt' )
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geompy.addToStudy( PrismDir, 'PrismDir' )
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geompy.addToStudy( PrismSubstrate, 'PrismSubstrate' )
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geompy.addToStudy( PrismBase, 'PrismBase' )
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geompy.addToStudy( Prism, 'Prism' )
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# Test on the original cone
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ExpectedOriginalConeFragmentsShapeInfos = {
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3: ["CONE2D", 100.0, 215.76160602318674, 25.761606023186744, 0.0, 0.7071067811865475, 0.7071067811865475, 79.7857956051852, 54.62305376134459, 150.9764510630437],
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5: ["CONE2D", 100.0, 129.99999999999753, -60.000000000002466, 0.0, 0.7071067811865475, 0.7071067811865475, 100.00000000000058, 69.82277418813575, 181.06335487118898],
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11: ["CONE2D", 100.0, 216.57653245407857, 26.57653245407856, 0.0, 0.7071067811865475, 0.7071067811865475, 79.59371560336794, 52.95933239773038, 159.80629923382543]
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}
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partitionConeAndAssertShapeInfosEqual(OriginalCone, Prism, ExpectedOriginalConeFragmentsShapeInfos, True)
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# Test on isotropically scaled cone. Non-isotropical scaling does not preserve shape kind - it is desired behavior.
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ScaledCone = geompy.MakeScaleTransform(OriginalCone, OriginalConeAxisAuxPnt, 2)
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ScaledCone.SetName('ScaledCone')
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ExpectedScaledConeFragmentsShapeInfos = {
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4: ["CONE2D", 100.0, 29.9999999999999, -160.00000000000009, 0.0, 0.7071067811865475, 0.7071067811865475, 200.00000000000003, 162.64508449690112, 224.1294930185934],
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6: ["CONE2D", 100.0, 262.09898500769475, 72.09898500769472, 0.0, 0.7071067811865475, 0.7071067811865475, 145.2937445981814, 120.13428858458612, 150.95673608157182],
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12: ["CONE2D", 100.0, 262.8999708414969, 72.8999708414969, 0.0, 0.7071067811865475, 0.7071067811865475, 145.10495042660943, 117.46838914559419, 165.8193676860916]
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}
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partitionConeAndAssertShapeInfosEqual(ScaledCone, Prism, ExpectedScaledConeFragmentsShapeInfos, False)
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# Test on a cone, mirrored relative to a point.
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PntMirroredCone = geompy.MakeMirrorByPoint(OriginalCone, OriginalConeAxisAuxPnt)
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PntMirroredCone.SetName('PntMirroredCone')
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ExpectedPntMirroredConeFragmentsShapeInfos = {
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2: ["CONE2D", 100.0, 229.8712015945071, 39.87120159450711, -0.0, -0.7071067811865475, -0.7071067811865475, 76.39941588513841, 51.25530645152799, 150.8646566016625],
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7: ["CONE2D", 100.0, 330.0, 140.0, -0.0, -0.7071067811865475, -0.7071067811865475, 100.0, 71.73019727352477, 169.61881635885143],
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10: ["CONE2D", 100.0, 249.15532313133338, 59.15532313133339, -0.0, -0.7071067811865475, -0.7071067811865475, 80.9447269211102, 51.428754043115056, 177.09583726797095]
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}
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partitionConeAndAssertShapeInfosEqual(PntMirroredCone, Prism, ExpectedPntMirroredConeFragmentsShapeInfos, False)
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if salome.sg.hasDesktop():
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salome.sg.updateObjBrowser()
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@ -76,6 +76,7 @@ SET(GOOD_TESTS
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get_non_blocks.py
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import_export.py
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inertia.py
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kind_of_shape_cone.py
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min_distance.py
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curvature_face.py
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normal_face.py
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@ -4,4 +4,6 @@
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\tui_script{kind_of_shape.py}
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\tui_script{kind_of_shape_cone.py}
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*/
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@ -336,7 +336,7 @@ void GEOMAlgo_ShapeInfoFiller::FillFace(const TopoDS_Shape& aS)
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aP0=aPln.Location();
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aAx3=aPln.Position();
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//
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aInfo.SetKindOfShape(GEOMAlgo_KS_PLANE);
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aInfo.SetKindOfShape(GEOMAlgo_KS_PLANE);
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aInfo.SetKindOfName(GEOMAlgo_KN_PLANE);
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aInfo.SetKindOfClosed(GEOMAlgo_KC_NOTCLOSED);
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aInfo.SetLocation(aP0);
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@ -420,38 +420,52 @@ void GEOMAlgo_ShapeInfoFiller::FillFace(const TopoDS_Shape& aS)
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//||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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// 4. Cone
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else if (aST==GeomAbs_Cone) {
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Standard_Real aSemiAngle;
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gp_Cone aCone;
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//
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aCone=aGAS.Cone();
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aP0=aCone.Location();
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aAx3=aCone.Position();
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const gp_Cone aCone=aGAS.Cone();
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//
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aInfo.SetKindOfShape(GEOMAlgo_KS_CONE);
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aInfo.SetKindOfName(GEOMAlgo_KN_CONE);
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aInfo.SetLocation(aP0);
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aInfo.SetPosition(aAx3);
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//
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BRepTools::UVBounds(aF, aUMin, aUMax, aVMin, aVMax);
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bInfU1=Precision::IsNegativeInfinite(aUMin);
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bInfU2=Precision::IsPositiveInfinite(aUMax);
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bInfV1=Precision::IsNegativeInfinite(aVMin);
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bInfV2=Precision::IsPositiveInfinite(aVMax);
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//
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bInf=(bInfU1 || bInfU2 || bInfV1 || bInfV2);
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bInf=bInfV1 || bInfV2;
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if (bInf) {
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aP0=aAx3.Location();
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aAx3=aCone.Position();
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aInfo.SetLocation(aP0);
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aInfo.SetPosition(aAx3);
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aInfo.SetKindOfBounds(GEOMAlgo_KB_INFINITE);
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return;
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}
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//
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aInfo.SetKindOfBounds(GEOMAlgo_KB_TRIMMED);
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//
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aSemiAngle=fabs(aCone.SemiAngle());
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dV=(aVMax-aVMin)*cos(aSemiAngle);
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aInfo.SetHeight(dV);
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//
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FillDetails(aF, aCone);
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const Standard_Real aSemiAngle = aCone.SemiAngle();
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dV = aVMax - aVMin;
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Standard_Real H = dV * std::cos(aSemiAngle);
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aAx3 = aCone.Position();
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Standard_Real aShiftAlongAxisLength = aVMin * std::cos(aSemiAngle); // Required, because R1 does not equal to gp_Cone.RefRadius() in general case, and gp_Cone.Location() corresponds to the latter one.
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auto aShiftAlongAxis = gp_Vec(aAx3.Direction().XYZ());
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aShiftAlongAxis *= aShiftAlongAxisLength;
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aAx3.Translate(aShiftAlongAxis);
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aP0=aAx3.Location();
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aInfo.SetLocation(aP0);
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aInfo.SetPosition(aAx3);
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aR1 = aCone.RefRadius() + aVMin * std::sin(aSemiAngle);
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aR2 = aCone.RefRadius() + aVMax * std::sin(aSemiAngle);
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aInfo.SetRadius1(aR1);
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aInfo.SetRadius2(aR2);
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aInfo.SetHeight(H);
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aInfo.SetKindOfDef(GEOMAlgo_KD_SPECIFIED);
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}
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//
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//||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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@ -112,9 +112,6 @@ class GEOMAlgo_ShapeInfoFiller : public GEOMAlgo_Algo
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Standard_EXPORT
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void FillDetails(const TopoDS_Face& aF,const gp_Cylinder& aCyl) ;
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Standard_EXPORT
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void FillDetails(const TopoDS_Face& aF,const gp_Cone& aCone) ;
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Standard_EXPORT
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void FillDetails(const TopoDS_Face& aF,const gp_Torus& aTorus) ;
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@ -103,13 +103,13 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Solid& aSd)
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aKD=aInfoF.KindOfDef();
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}
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if (aKD!=GEOMAlgo_KD_SPECIFIED) {
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aInfo.SetKindOfName(GEOMAlgo_KN_SOLID);
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aInfo.SetKindOfName(GEOMAlgo_KN_SOLID);
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return;
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}
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//
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aNbShells=GEOMAlgo_ShapeInfoFiller::NbShells(aSd);
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if (aNbShells>1) {
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aInfo.SetKindOfName(GEOMAlgo_KN_SOLID);
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aInfo.SetKindOfName(GEOMAlgo_KN_SOLID);
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return;
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}
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//
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@ -396,7 +396,7 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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if (bSegment) {
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// 2. may be it is TRIANGLE, POLYGON, QUADRANGLE, RECTANGLE
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aInfo.SetKindOfDef(GEOMAlgo_KD_SPECIFIED);
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aInfo.SetKindOfName(GEOMAlgo_KN_POLYGON);
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aInfo.SetKindOfName(GEOMAlgo_KN_POLYGON);
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//
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if (aNbV==3 && aNbE==3) {
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aInfo.SetKindOfName(GEOMAlgo_KN_TRIANGLE);
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@ -480,7 +480,7 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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//
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aLength=aD1;
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aWidth =aD0;
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if (aD0>aD1) {
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aLength=aD0;
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aWidth =aD1;
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@ -515,7 +515,7 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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const gp_Sphere& )//aSph)
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{
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Standard_Integer aNbV, aNbE, aNbSE, aNbDE;
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TopoDS_Edge aE;
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TopExp_Explorer aExp;
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@ -523,7 +523,7 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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GEOMAlgo_KindOfShape aKSE;//, aKSE;
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//
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GEOMAlgo_ShapeInfo& aInfo=myMapInfo.ChangeFromKey(aF);
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//
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//
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aInfo.SetKindOfDef(GEOMAlgo_KD_ARBITRARY);
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aNbV=aInfo.NbSubShapes(TopAbs_VERTEX);
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aNbE=aInfo.NbSubShapes(TopAbs_EDGE);
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@ -557,7 +557,7 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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//=======================================================================
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void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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const gp_Cylinder& aCyl)
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{
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Standard_Integer aNbV, aNbE, aNbCE, aNbSE;
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Standard_Real aT0, aT1, aHeight;
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@ -627,130 +627,10 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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//function : FillDetails
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//purpose :
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//=======================================================================
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void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
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const gp_Cone& aCone)
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{
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Standard_Integer aNbV, aNbE, aNbCE, aNbSE, aNbDE, i;
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Standard_Real aR[3], aHeight, aRmin, aRmax;
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gp_Pnt aPC[3], aPD, aPc, aPX[3];
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TopoDS_Vertex aVD;
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TopoDS_Edge aE;
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TopoDS_Iterator aIt;
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TopExp_Explorer aExp;
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TopTools_MapOfShape aM;
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GEOMAlgo_KindOfShape aKSE;
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GEOMAlgo_KindOfName aKNE;
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GEOMAlgo_KindOfClosed aKCE;
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//
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GEOMAlgo_ShapeInfo& aInfo=myMapInfo.ChangeFromKey(aF);
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//
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aInfo.SetKindOfDef(GEOMAlgo_KD_ARBITRARY);
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//
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aNbV=aInfo.NbSubShapes(TopAbs_VERTEX);
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aNbE=aInfo.NbSubShapes(TopAbs_EDGE);
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if (aNbV==2 && aNbE==3) {
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i=0;
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aNbCE=0;
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aNbSE=0;
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aNbDE=0;
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aExp.Init(aF, TopAbs_EDGE);
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for (; aExp.More(); aExp.Next()) {
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aE=TopoDS::Edge(aExp.Current());
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if(aM.Add(aE)) {
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const GEOMAlgo_ShapeInfo& aInfoE=myMapInfo.FindFromKey(aE);
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aKNE=aInfoE.KindOfName();
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aKCE=aInfoE.KindOfClosed();
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aKSE=aInfoE.KindOfShape();
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if (aKNE==GEOMAlgo_KN_CIRCLE && aKCE==GEOMAlgo_KC_CLOSED) {
|
||||
aPC[i]=aInfoE.Location();
|
||||
aR[i]=aInfoE.Radius1();
|
||||
//
|
||||
aIt.Initialize(aE);
|
||||
if (aIt.More()) {
|
||||
aVD=*((TopoDS_Vertex*)&aIt.Value());
|
||||
}
|
||||
aPX[i]=BRep_Tool::Pnt(aVD);
|
||||
//
|
||||
++i;
|
||||
++aNbCE;
|
||||
}
|
||||
else if (aKNE==GEOMAlgo_KN_SEGMENT) {
|
||||
if (BRep_Tool::IsClosed(aE, aF)) {
|
||||
++aNbSE;
|
||||
}
|
||||
}
|
||||
else if (aKSE==GEOMAlgo_KS_DEGENERATED) {
|
||||
aIt.Initialize(aE);
|
||||
if (aIt.More()) {
|
||||
aVD=*((TopoDS_Vertex*)&aIt.Value());
|
||||
}
|
||||
//
|
||||
aPD=BRep_Tool::Pnt(aVD);
|
||||
//
|
||||
++aNbDE;
|
||||
}
|
||||
}
|
||||
}
|
||||
//
|
||||
if ((aNbCE==2 || (aNbCE==1 && aNbDE==1)) && aNbSE==1) {
|
||||
if (aNbDE==1) {
|
||||
aPC[1]=aPD;
|
||||
aR[1]=0.;
|
||||
}
|
||||
//
|
||||
aHeight=aPC[0].Distance(aPC[1]);
|
||||
//
|
||||
|
||||
gp_Ax2 aAx2new;
|
||||
//
|
||||
if (aR[0]>aR[1]) {
|
||||
aRmin=aR[1];
|
||||
aRmax=aR[0];
|
||||
aPc=aPC[0];
|
||||
gp_Vec aVz(aPC[0], aPC[1]);
|
||||
gp_Vec aVx(aPC[0], aPX[0]);
|
||||
gp_Dir aDz(aVz);
|
||||
gp_Dir aDx(aVx);
|
||||
gp_Ax2 aAx2(aPc, aDz, aDx);
|
||||
aAx2new=aAx2;
|
||||
}
|
||||
else {
|
||||
aRmin=aR[0];
|
||||
aRmax=aR[1];
|
||||
aPc=aPC[1];
|
||||
gp_Vec aVz(aPC[1], aPC[0]);
|
||||
gp_Vec aVx(aPC[1], aPX[1]);
|
||||
gp_Dir aDz(aVz);
|
||||
gp_Dir aDx(aVx);
|
||||
gp_Ax2 aAx2(aPc, aDz, aDx);
|
||||
aAx2new=aAx2;
|
||||
}
|
||||
//
|
||||
gp_Ax3 aAx3(aAx2new);
|
||||
aInfo.SetLocation(aPc);
|
||||
aInfo.SetPosition(aAx3);
|
||||
aInfo.SetRadius1(aRmax);
|
||||
aInfo.SetRadius2(aRmin);
|
||||
aInfo.SetHeight(aHeight);
|
||||
//
|
||||
aInfo.SetKindOfDef(GEOMAlgo_KD_SPECIFIED);
|
||||
return;
|
||||
}//if ((aNbCE==2 || (aNbCE==1 && aNbDE==1)) && aNbSE==1) {
|
||||
}//if (aNbV==2 && aNbE==3) {
|
||||
//
|
||||
aInfo.SetRadius1 (aCone.RefRadius());
|
||||
//
|
||||
aRmin=0.; // ZZ
|
||||
aInfo.SetRadius2(aRmin);
|
||||
}
|
||||
//=======================================================================
|
||||
//function : FillDetails
|
||||
//purpose :
|
||||
//=======================================================================
|
||||
void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
|
||||
const gp_Torus& )
|
||||
{
|
||||
|
||||
|
||||
Standard_Integer aNbV, aNbE, aNbSE;
|
||||
TopoDS_Edge aE;
|
||||
TopExp_Explorer aExp;
|
||||
@ -764,10 +644,10 @@ void GEOMAlgo_ShapeInfoFiller::FillDetails(const TopoDS_Face& aF,
|
||||
if (aKS!=GEOMAlgo_KS_TORUS) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
aNbV=aInfo.NbSubShapes(TopAbs_VERTEX);
|
||||
aNbE=aInfo.NbSubShapes(TopAbs_EDGE);
|
||||
|
||||
aNbE=aInfo.NbSubShapes(TopAbs_EDGE);
|
||||
|
||||
if (aNbV==1 && aNbE==2) {
|
||||
aNbSE=0;
|
||||
aExp.Init(aF, TopAbs_EDGE);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user