# Sample: KindOfShape method for faces, which are results of partitioning of a conical surface with a prism with complex base. # 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. import sys import salome salome.salome_init() import salome_notebook notebook = salome_notebook.NoteBook() ### ### GEOM component ### import GEOM from salome.geom import geomBuilder import math import SALOMEDS def approximatelyEqual(a, b, epsilon = 1e-5): return abs(a - b) <= ((abs(b) if (abs(a) < abs(b)) else abs(a)) * epsilon) def assertShapeKindEquals(iShapeInfo, iKind): assert (len(iShapeInfo) > 0), "Yielded data array is empty." assert (iShapeInfo[0] == iKind), f"Expected shape kind is {iKind}, but yielded kind is {iShapeInfo[0]}." def assertConePropsEqual(iShapeName, iShapeInfo, iExpectedShapeInfo): assertShapeKindEquals(iShapeInfo, geompy.kind.CONE2D) assert (len(iShapeInfo) == len(iExpectedShapeInfo)), f"{iShapeName}: Yielded data array is of unexpected length." for idx in range(1, len(iShapeInfo)): assert (approximatelyEqual(iShapeInfo[idx], iExpectedShapeInfo[idx])), f"{iShapeName}: Yielded data array element is not equal to the expected value." def assertConeInfoEquals(iFace, iExpectedShapeInfo, iAddRestoredConeToStudy = False): ShapeInfo = geompy.KindOfShape(iFace) print("ShapeInfo of " + iFace.GetName() + " = ", end = "") print(ShapeInfo, ', ') assertConePropsEqual(iFace.GetName(), ShapeInfo, iExpectedShapeInfo) if (iAddRestoredConeToStudy): BottomLidCenter = geompy.MakeVertex(ShapeInfo[1], ShapeInfo[2], ShapeInfo[3]) AxisAuxPnt = geompy.MakeVertex(ShapeInfo[1] + ShapeInfo[4], ShapeInfo[2] + ShapeInfo[5], ShapeInfo[3] + ShapeInfo[6]) Axis = geompy.MakeVector(BottomLidCenter, AxisAuxPnt) R1 = ShapeInfo[7] # Bottom lid radius. R2 = ShapeInfo[8] # Top lid radius. H = ShapeInfo[9] RestoredCone = geompy.MakeCone(BottomLidCenter, Axis, R1, R2, H) geompy.addToStudy(RestoredCone, iFace.GetName() + '__RestoredCone') # iExpectedConeFragmentShapeInfos is a dictionary of [IndexOfFace, ExpectedShapeInfoOfFace]. IndexOfFace is zero-based index, not one-based one as in Shaper GUI! def partitionConeAndAssertShapeInfosEqual(iCone, iPartitioningShape, iExpectedConeFragmentShapeInfos, iAddResultsToStudy): PartitionedCone = geompy.MakePartition([iCone], [iPartitioningShape], [], [], geompy.ShapeType["FACE"], 0, [], 0) if (iAddResultsToStudy): geompy.addToStudy(PartitionedCone, "Partitioned" + iCone.GetName()) ConeFragments = geompy.ExtractShapes(PartitionedCone, geompy.ShapeType["FACE"], True) ConeFragmentsIdxs = iExpectedConeFragmentShapeInfos.keys() for ConeFragmentIdx in ConeFragmentsIdxs: assert (ConeFragmentIdx < len(ConeFragments)), f"Num of faces, {iCone.GetName()} is partitioned into, <= {ConeFragmentIdx} (zero-based index)." ConeFragment = ConeFragments[ConeFragmentIdx] ConeFragmentName = f"Partitioned{iCone.GetName()}_Face_{ConeFragmentIdx+1}" # Add index to a name as Shaper GUI does. if (iAddResultsToStudy): geompy.addToStudyInFather(PartitionedCone, ConeFragment, ConeFragmentName) else: ConeFragment.SetName(ConeFragmentName) assertConeInfoEquals(ConeFragment, iExpectedConeFragmentShapeInfos[ConeFragmentIdx], iAddResultsToStudy) geompy = geomBuilder.New() OriginalConeBaseCenter = geompy.MakeVertex(100, 130, -60) OriginalConeAxisAuxPnt = geompy.MakeVertex(100, 230, 40) OriginalConeAxis = geompy.MakeVector(OriginalConeBaseCenter, OriginalConeAxisAuxPnt) OriginalCone = geompy.MakeCone(OriginalConeBaseCenter, OriginalConeAxis, 100, 50, 300) PrismSubstrateCenter = geompy.MakeVertex(100, 1000, 50) PrismDirAuxPnt = geompy.MakeVertex(100, 950, 50) PrismDir = geompy.MakeVector(PrismSubstrateCenter, PrismDirAuxPnt) PrismSubstrate = geompy.MakeDiskPntVecR(PrismSubstrateCenter, PrismDir, 100) sk = geompy.Sketcher2D() sk.addPoint(0.395986, 43.346713) sk.addSegmentAbsolute(66.321537, 41.733575) sk.addSegmentAbsolute(80.619408, -2.852314) sk.addSegmentAbsolute(67.641539, -38.565150) sk.addSegmentAbsolute(22.193602, -56.632163) sk.addSegmentAbsolute(-19.060136, -51.084351) sk.addSegmentAbsolute(-60.823572, 34.825751) sk.addSegmentAbsolute(-13.047004, 55.727527) sk.close() PrismBase = sk.wire(PrismSubstrate) Prism = geompy.MakePrismVecH(PrismBase, PrismDir, 1400) geompy.addToStudy( OriginalConeBaseCenter, 'OriginalConeBaseCenter' ) geompy.addToStudy( OriginalConeAxisAuxPnt, 'OriginalConeAxisAuxPnt' ) geompy.addToStudy( OriginalConeAxis, 'OriginalConeAxis' ) geompy.addToStudy( OriginalCone, 'OriginalCone' ) geompy.addToStudy( PrismSubstrateCenter, 'PrismSubstrateCenter' ) geompy.addToStudy( PrismDirAuxPnt, 'PrismDirAuxPnt' ) geompy.addToStudy( PrismDir, 'PrismDir' ) geompy.addToStudy( PrismSubstrate, 'PrismSubstrate' ) geompy.addToStudy( PrismBase, 'PrismBase' ) geompy.addToStudy( Prism, 'Prism' ) # Test on the original cone ExpectedOriginalConeFragmentsShapeInfos = { 3: ["CONE2D", 100.0, 215.76160602318674, 25.761606023186744, 0.0, 0.7071067811865475, 0.7071067811865475, 79.7857956051852, 54.62305376134459, 150.9764510630437], 5: ["CONE2D", 100.0, 129.99999999999753, -60.000000000002466, 0.0, 0.7071067811865475, 0.7071067811865475, 100.00000000000058, 69.82277418813575, 181.06335487118898], 11: ["CONE2D", 100.0, 216.57653245407857, 26.57653245407856, 0.0, 0.7071067811865475, 0.7071067811865475, 79.59371560336794, 52.95933239773038, 159.80629923382543] } partitionConeAndAssertShapeInfosEqual(OriginalCone, Prism, ExpectedOriginalConeFragmentsShapeInfos, True) # Test on isotropically scaled cone. Non-isotropical scaling does not preserve shape kind - it is desired behavior. ScaledCone = geompy.MakeScaleTransform(OriginalCone, OriginalConeAxisAuxPnt, 2) ScaledCone.SetName('ScaledCone') ExpectedScaledConeFragmentsShapeInfos = { 4: ["CONE2D", 100.0, 29.9999999999999, -160.00000000000009, 0.0, 0.7071067811865475, 0.7071067811865475, 200.00000000000003, 162.64508449690112, 224.1294930185934], 6: ["CONE2D", 100.0, 262.09898500769475, 72.09898500769472, 0.0, 0.7071067811865475, 0.7071067811865475, 145.2937445981814, 120.13428858458612, 150.95673608157182], 12: ["CONE2D", 100.0, 262.8999708414969, 72.8999708414969, 0.0, 0.7071067811865475, 0.7071067811865475, 145.10495042660943, 117.46838914559419, 165.8193676860916] } partitionConeAndAssertShapeInfosEqual(ScaledCone, Prism, ExpectedScaledConeFragmentsShapeInfos, False) # Test on a cone, mirrored relative to a point. PntMirroredCone = geompy.MakeMirrorByPoint(OriginalCone, OriginalConeAxisAuxPnt) PntMirroredCone.SetName('PntMirroredCone') ExpectedPntMirroredConeFragmentsShapeInfos = { 2: ["CONE2D", 100.0, 229.8712015945071, 39.87120159450711, -0.0, -0.7071067811865475, -0.7071067811865475, 76.39941588513841, 51.25530645152799, 150.8646566016625], 7: ["CONE2D", 100.0, 330.0, 140.0, -0.0, -0.7071067811865475, -0.7071067811865475, 100.0, 71.73019727352477, 169.61881635885143], 10: ["CONE2D", 100.0, 249.15532313133338, 59.15532313133339, -0.0, -0.7071067811865475, -0.7071067811865475, 80.9447269211102, 51.428754043115056, 177.09583726797095] } partitionConeAndAssertShapeInfosEqual(PntMirroredCone, Prism, ExpectedPntMirroredConeFragmentsShapeInfos, False) if salome.sg.hasDesktop(): salome.sg.updateObjBrowser()