{ "title": "SM260 surface-fitted CAD revision \u2014 tolerance comparison", "targetMM": 0.025, "units": "millimeters, selected by user; STL has no embedded units", "sourceSHA256": "54ba9203cc540e31163d2742e2f6e3bdc8b499212304fd84259ba67b9f3a1ff1", "sourceTriangles": 19022751, "training": { "trainingTriangles": 827077, "sampling": "Every 23rd original STL facet centroid, fixed disjoint holdout facets for evaluation", "shaft": { "sections": 241, "localWindowMM": 18, "gaussianSigmaMM": 4.5, "harmonics": 5, "robustResidualScaleMM": 0.07 }, "flights": [ { "part": 0, "axialKnotSpacingMM": 5, "radialKnotSpacingMM": 6, "robustResidualScaleMM": 0.07, "trimStartRange": [ -360.6222586472608, -359.6528823657455, -358.84041763251236, -358.6866050667646, -358.7481384793298, -358.825731201317, -359.0173446876309, -359.32324635807635, -359.61391465071586, -359.7070988045306, -359.6001146214811, -359.6913997183431, -359.7605331837416, -359.5096024325735, -358.6427198006411, -357.48667980246574, -356.1365940644411, -355.08018452285177, -354.41612366900995 ], "trimEndRange": [ 522.8775312052092, 521.2752408872885, 520.569642338316, 520.7037320292942, 520.6547357002937, 520.4496888411952, 520.1655334628529, 520.0337939029058, 519.9009315429411, 519.7532202627053, 519.6679026313545, 519.5438739059009, 519.3707924594827, 519.1194028727464, 518.9410469643377, 518.7909949050073, 518.607485756953, 518.4296697532459, 518.3673318513028 ], "radiusRangeMM": [ 125.93548691518144, 127.4417899082372 ] }, { "part": 1, "axialKnotSpacingMM": 5, "radialKnotSpacingMM": 6, "robustResidualScaleMM": 0.07, "trimStartRange": [ -362.31467375226697, -361.30049424126645, -360.64610619037967, -360.4828080431146, -360.3847001489022, -360.2515145807328, -360.09936030608867, -360.00772885289337, -359.934739813502, -359.9612121019457, -359.8615433513233, -359.74529693486403, -359.4972280110747, -359.01900041068353, -357.88174301176343, -356.3249512946189, -354.8931614125757, -353.8605217098869, -353.36925722208235 ], "trimEndRange": [ 519.0784041401472, 518.5708274091444, 518.2485493164731, 517.862405155251, 517.7065194169759, 517.5277014058393, 517.2611418674078, 517.3383190750425, 517.3671778955649, 517.1538211255615, 517.0107348165755, 516.9414359842596, 516.8375319315886, 516.8966894467967, 516.89427044367, 516.7286377176273, 516.5844195553267, 516.3655968974277, 515.8458185219685 ], "radiusRangeMM": [ 125.95159242942715, 127.41370345759326 ] } ], "elapsedSeconds": 35.89236903190613 }, "holdout": { "seed": 2602026, "trainingFacetsExcluded": true, "samplesPerDistribution": 80000, "sampling": "Uniform random barycentric points on source facets. Main set weights facets by original triangle area; secondary set weights every held-out facet equally. Facets with index divisible by 23 were used for fitting and excluded from both holdout sets. Neighboring facets are spatially correlated; this is not independent scanner validation." }, "tessellation": { "requestedAbsoluteDeflectionMM": 0.0025, "angularToleranceRadians": 0.05, "oldTriangles": 1522416, "newTriangles": 9128616, "note": "Distances are to tessellated CAD, not exact analytic closest points. Requested deflection is not an independently certified mesh error bound." }, "comparison": { "areaWeighted": { "old": { "samples": 80000, "meanMM": 2.080172538757324, "medianMM": 1.2450188398361206, "rmsMM": 4.346846103668213, "p95MM": 5.571516990661621, "p99MM": 26.755393981933594, "maxSampledMM": 51.76374816894531, "within025Percent": 3.51125, "within010Percent": 12.1225, "within0250Percent": 22.298750000000002, "within050Percent": 30.967499999999998 }, "new": { "samples": 80000, "meanMM": 0.16610127687454224, "medianMM": 0.020582841709256172, "rmsMM": 0.6766144633293152, "p95MM": 0.8925896883010864, "p99MM": 2.402585983276367, "maxSampledMM": 51.16580581665039, "within025Percent": 56.47125, "within010Percent": 82.67125, "within0250Percent": 89.5775, "within050Percent": 92.8175 }, "regions": { "bore_observed": { "old": { "samples": 2652, "meanMM": 18.583465576171875, "medianMM": 22.79931640625, "rmsMM": 20.625091552734375, "p95MM": 27.790443420410156, "p99MM": 27.83785629272461, 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2.407399892807007, "p95MM": 5.3366851806640625, "p99MM": 10.518641471862793, "maxSampledMM": 51.16580581665039, "within025Percent": 0.27705947543405984, "within010Percent": 1.2744735869966752, "within0250Percent": 16.62356852604359, "within050Percent": 30.033247137052086 } }, "flight_tips": { "old": { "samples": 3168, "meanMM": 1.0056464672088623, "medianMM": 0.8109310269355774, "rmsMM": 1.419057011604309, "p95MM": 3.1622142791748047, "p99MM": 5.235511302947998, "maxSampledMM": 8.559077262878418, "within025Percent": 2.367424242424242, "within010Percent": 7.133838383838384, "within0250Percent": 15.340909090909092, "within050Percent": 32.38636363636363 }, "new": { "samples": 3168, "meanMM": 0.03843609616160393, "medianMM": 0.015602504834532738, "rmsMM": 0.10612521320581436, "p95MM": 0.13549745082855225, "p99MM": 0.5442236661911011, "maxSampledMM": 2.2649900913238525, "within025Percent": 69.0340909090909, "within010Percent": 93.05555555555556, "within0250Percent": 97.22222222222221, "within050Percent": 98.80050505050505 } }, "shaft_outer": { "old": { "samples": 35304, "meanMM": 0.7353062629699707, "medianMM": 0.44907239079475403, "rmsMM": 1.0433655977249146, "p95MM": 1.9524543285369873, "p99MM": 2.923138380050659, "maxSampledMM": 9.61151123046875, "within025Percent": 7.140833899841378, "within010Percent": 24.46181735780648, "within0250Percent": 41.26161341491049, "within050Percent": 51.742012236573764 }, "new": { "samples": 35304, "meanMM": 0.08661201596260071, "medianMM": 0.018251430243253708, "rmsMM": 0.3258327543735504, "p95MM": 0.25618141889572144, "p99MM": 1.9449540376663208, "maxSampledMM": 3.931131362915039, "within025Percent": 62.85690006798097, "within010Percent": 92.13120326308633, "within0250Percent": 94.92125538182641, "within050Percent": 96.04294130976659 } }, "spiral_a_faces": { "old": { "samples": 16881, "meanMM": 2.5185813903808594, "medianMM": 2.235447406768799, "rmsMM": 3.0208780765533447, "p95MM": 5.67958927154541, "p99MM": 7.368315696716309, 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0.06662163883447647, "medianMM": 0.019931092858314514, "rmsMM": 0.24143297970294952, "p95MM": 0.2931146025657654, "p99MM": 0.6176365613937378, "maxSampledMM": 17.123737335205078, "within025Percent": 56.68536276461009, "within010Percent": 82.98655087147941, "within0250Percent": 93.44430372112659, "within050Percent": 98.29322718774502 } } } }, "facetUniform": { "old": { "samples": 80000, "meanMM": 1.9775335788726807, "medianMM": 1.1794461011886597, "rmsMM": 4.169112682342529, "p95MM": 5.138425827026367, "p99MM": 26.569787979125977, "maxSampledMM": 51.125633239746094, "within025Percent": 3.7125, "within010Percent": 12.7525, "within0250Percent": 23.07, "within050Percent": 31.861250000000002 }, "new": { "samples": 80000, "meanMM": 0.1678377389907837, "medianMM": 0.01999254897236824, "rmsMM": 0.6776999831199646, "p95MM": 0.9406523108482361, "p99MM": 2.394831657409668, "maxSampledMM": 50.53667449951172, "within025Percent": 57.26, "within010Percent": 82.8175, "within0250Percent": 89.43625, "within050Percent": 92.625 }, "regions": { "bore_observed": { "old": { "samples": 2204, "meanMM": 19.607086181640625, "medianMM": 26.247314453125, "rmsMM": 21.49365997314453, "p95MM": 27.814170837402344, "p99MM": 27.83724021911621, "maxSampledMM": 27.85850715637207, "within025Percent": 0.0, "within010Percent": 0.0, "within0250Percent": 0.0, "within050Percent": 0.0 }, "new": { "samples": 2204, "meanMM": 0.08137678354978561, "medianMM": 0.018113326281309128, "rmsMM": 0.34357714653015137, "p95MM": 0.1698867678642273, "p99MM": 2.0086019039154053, "maxSampledMM": 4.17791748046875, "within025Percent": 60.70780399274047, "within010Percent": 90.56261343012704, "within0250Percent": 95.82577132486388, "within050Percent": 97.36842105263158 } }, "ends_roots_other": { "old": { "samples": 5564, "meanMM": 2.4152145385742188, "medianMM": 1.712256669998169, "rmsMM": 4.06446647644043, "p95MM": 5.423569679260254, "p99MM": 18.63844871520996, "maxSampledMM": 51.125633239746094, "within025Percent": 0.17972681524083392, "within010Percent": 0.6649892163910855, "within0250Percent": 13.964773544212797, "within050Percent": 25.521207764198415 }, "new": { "samples": 5564, "meanMM": 1.4637478590011597, "medianMM": 0.9764056205749512, "rmsMM": 2.4037411212921143, "p95MM": 5.306298732757568, "p99MM": 10.868224143981934, "maxSampledMM": 50.53667449951172, "within025Percent": 0.23364485981308408, "within010Percent": 1.2221423436376708, "within0250Percent": 15.636232925952553, "within050Percent": 28.846153846153843 } }, "flight_tips": { "old": { "samples": 3095, "meanMM": 1.0320382118225098, "medianMM": 0.8353284597396851, "rmsMM": 1.4741499423980713, "p95MM": 3.2034335136413574, "p99MM": 5.431278705596924, "maxSampledMM": 10.346531867980957, "within025Percent": 1.9709208400646203, "within010Percent": 6.91437802907916, "within0250Percent": 14.733441033925686, "within050Percent": 30.210016155088855 }, "new": { "samples": 3095, "meanMM": 0.03458060696721077, "medianMM": 0.015535976737737656, "rmsMM": 0.08335203677415848, "p95MM": 0.123221255838871, "p99MM": 0.42044931650161743, "maxSampledMM": 0.8711333274841309, "within025Percent": 68.65912762520195, "within010Percent": 93.82875605815832, "within0250Percent": 97.44749596122779, "within050Percent": 99.2891760904685 } }, "shaft_outer": { "old": { "samples": 36308, "meanMM": 0.7235108017921448, "medianMM": 0.45390862226486206, "rmsMM": 1.025802731513977, "p95MM": 1.937372088432312, "p99MM": 2.8566505908966064, "maxSampledMM": 7.65899658203125, "within025Percent": 7.353751239396276, "within010Percent": 25.01652528368404, "within0250Percent": 41.423377767985016, "within050Percent": 51.82604384708605 }, "new": { "samples": 36308, "meanMM": 0.08504310995340347, "medianMM": 0.017624646425247192, "rmsMM": 0.3224301040172577, "p95MM": 0.258139044046402, "p99MM": 1.9332427978515625, "maxSampledMM": 3.8485107421875, "within025Percent": 63.95560207116889, "within010Percent": 92.38459843560648, "within0250Percent": 94.94601740663214, "within050Percent": 96.08626198083067 } }, "spiral_a_faces": { "old": { "samples": 16198, "meanMM": 2.4893596172332764, "medianMM": 2.173086643218994, "rmsMM": 3.005082368850708, "p95MM": 5.677872180938721, "p99MM": 7.378864288330078, "maxSampledMM": 15.197392463684082, "within025Percent": 0.46919372762069395, "within010Percent": 1.6792196567477466, "within0250Percent": 4.364736387208297, "within050Percent": 8.852944808000988 }, "new": { "samples": 16198, "meanMM": 0.05322900786995888, "medianMM": 0.01866406574845314, "rmsMM": 0.11581996828317642, "p95MM": 0.23288333415985107, "p99MM": 0.5222762823104858, "maxSampledMM": 1.793520212173462, "within025Percent": 59.186319298678846, "within010Percent": 85.7389801210026, "within0250Percent": 95.62909001111248, "within050Percent": 98.9010989010989 } }, "spiral_b_faces": { "old": { "samples": 16631, "meanMM": 1.9099496603012085, "medianMM": 1.8416837453842163, "rmsMM": 2.315880537033081, "p95MM": 3.9481821060180664, "p99MM": 5.7444024085998535, "maxSampledMM": 10.748991012573242, "within025Percent": 0.91996873308881, "within010Percent": 3.5836690517707894, "within0250Percent": 8.87499248391558, "within050Percent": 17.335097107810714 }, "new": { "samples": 16631, "meanMM": 0.06291847676038742, "medianMM": 0.019247833639383316, "rmsMM": 0.13870495557785034, "p95MM": 0.287596195936203, "p99MM": 0.6144770383834839, "maxSampledMM": 1.9047925472259521, "within025Percent": 57.266550417894294, "within010Percent": 83.3082797185978, "within0250Percent": 93.72857915940112, "within050Percent": 98.42462870542961 } } } } }, "reverseComparison": { "newAllSurfaces": { "samples": 20000, "meanMM": 2.9603381025433526, "medianMM": 0.054904185235500336, "rmsMM": 5.09394163216054, "p95MM": 9.499091625213623, "p99MM": 13.265828886032097, "maxSampledMM": 20.513500213623047, "within025Percent": 37.295, "within010Percent": 54.190000000000005, "within0250Percent": 58.684999999999995, "within050Percent": 60.709999999999994 }, "oldAllSurfaces": { "samples": 20000, "meanMM": 1.6448650420577506, "medianMM": 1.2319418787956238, "rmsMM": 2.5270459566513983, "p95MM": 4.713300037384033, "p99MM": 6.884909958839413, "maxSampledMM": 39.70267868041992, "within025Percent": 4.915, "within010Percent": 14.45, "within0250Percent": 22.770000000000003, "within050Percent": 31.305 }, "newExcludingInferredCentralBore": { "samples": 15388, "meanMM": 1.0718418720607032, "medianMM": 0.02649958897382021, "rmsMM": 2.7576411124325726, "p95MM": 7.371686887741087, "p99MM": 11.394766798019381, "maxSampledMM": 20.513500213623047, "within025Percent": 48.47283597608526, "within010Percent": 70.43150506888485, "within0250Percent": 76.27371978164804, "within050Percent": 78.90564075903302 }, "inferredCentralBoreSamples": 4612, "method": "20,000 area-uniform samples on each fine CAD tessellation, nearest distance against ALL 19,022,751 original source triangles in streamed blocks. Inferred central bore subset is approximate by location; other closure/root assumptions remain." }, "CAD": { "parts": [ { "name": "shaft", "valid": true, "closed": true, "solids": 1, "faces": 15, "volumeMM3": 5214116.804978325, "STEProundTripValid": true }, { "name": "spiral-a", "valid": true, "closed": true, "solids": 1, "faces": 6, "volumeMM3": 979863.7721228835, "STEProundTripValid": true }, { "name": "spiral-b", "valid": true, "closed": true, "solids": 1, "faces": 6, "volumeMM3": 1010818.8963711194, "STEProundTripValid": true } ], "bores": [ { "name": "main", "samples": 4586, "centerY": 0.6159489116577087, "centerZ": -0.5619175828027165, "radiusMM": 61.26277795997575, "observedXRange": [ 291.272428154579, 385.0418733721243 ], "medianRadialResidualMM": 0.048700895560909174 }, { "name": "right-step", "samples": 627, "centerY": 0.569496306626942, "centerZ": -0.7293591329752317, "radiusMM": 49.98406330755114, "observedXRange": [ 406.76233149090694, 415.0273812677477 ], "medianRadialResidualMM": 0.043746128925725714 }, { "name": "right-mouth", "samples": 16486, "centerY": 0.5507611341433751, "centerZ": -0.5886173950590587, "radiusMM": 42.530520879611814, "observedXRange": [ 426.70765481520135, 517.2480409672852 ], "medianRadialResidualMM": 0.01217333861899661 }, { "name": "left-mouth", "samples": 123, "centerY": -1.023854701640099, "centerZ": 0.14441442595536708, "radiusMM": 38.33162416911335, "observedXRange": [ -680.795703917817, -671.0889426606545 ], "medianRadialResidualMM": 0.17848375024529872 }, { "name": "left-hole", "samples": 1078, "centerY": -0.9473814852176956, "centerZ": 0.191680061978789, "radiusMM": 18.987760502001986, "observedXRange": [ -680.9533085910342, -667.3755764882757 ], "medianRadialResidualMM": 0.0734894721629793 } ], "elapsedSeconds": 2.2061691284179688, "coordinateSystem": "Millimeters, same aligned centered X frame as the existing viewer", "assumptions": [ "Central bore is inferred between sparse observed inner surfaces; hidden depth and transitions are not verified.", "Bore step transitions use estimated axial positions; end caps are regularized.", "Flight roots extend 0.08 mm into the fitted shaft for construction; welds and the true concealed interfaces are not reconstructed.", "The three solids are an assembly; small construction overlaps can remain at roots.", "Smoothness settings are not a guarantee of measurement accuracy." ], "assemblySTEProundTrip": { "valid": true, "solids": 3 } }, "targetVerified": false, "limitations": [ "This is a geometric comparison with the supplied scan, not a scanner calibration or manufacturing certificate.", "Sampled maximum is not a full-surface Hausdorff bound.", "Hidden central bore and step closures are inferred and cannot be tolerance-verified from missing scan data.", "Spiral roots/welds and local damaged or repaired regions need further review.", "Fit settings regularize local surfaces; they cannot prove which small features are scan noise versus real defects.", "The largest deviations include source geometry outside the fitted auger envelope. These samples are retained; the geometry has not been established to be scanner noise." ], "elapsedSeconds": 48.1552038192749, "largestPrimaryDeviations": [ { "sourceFacetIndex": 18965038, "positionAlignedMM": [ 258.3970868549106, 164.81448813726757, 62.63930501322662 ], "region": "ends_roots_other", "oldDistanceMM": 51.76374816894531, "newDistanceMM": 51.16580581665039 }, { "sourceFacetIndex": 18844867, "positionAlignedMM": [ 342.54234219676266, -80.6790004867928, 111.91497609402255 ], "region": "spiral_b_faces", "oldDistanceMM": 18.72016143798828, "newDistanceMM": 17.123737335205078 }, { "sourceFacetIndex": 18042140, "positionAlignedMM": [ 581.1214020711025, 53.00703476089293, -20.528266803214827 ], "region": "ends_roots_other", "oldDistanceMM": 12.729925155639648, "newDistanceMM": 13.58832836151123 }, { "sourceFacetIndex": 17641701, "positionAlignedMM": [ 561.960376712334, -54.50270531977896, 10.200214017280592 ], "region": "ends_roots_other", "oldDistanceMM": 14.123598098754883, "newDistanceMM": 13.570466041564941 }, { "sourceFacetIndex": 17884274, "positionAlignedMM": [ 569.4001980874525, 51.60792719154715, -25.033935409382067 ], "region": "ends_roots_other", "oldDistanceMM": 12.213764190673828, "newDistanceMM": 13.531440734863281 }, { "sourceFacetIndex": 17680290, "positionAlignedMM": [ 567.0210509886906, -55.53293116719427, 4.509944255031003 ], "region": "ends_roots_other", "oldDistanceMM": 13.857108116149902, "newDistanceMM": 13.522041320800781 }, { "sourceFacetIndex": 17828924, "positionAlignedMM": [ 561.3795614190038, 54.28851434959756, -16.49230012807323 ], "region": "ends_roots_other", "oldDistanceMM": 12.834546089172363, "newDistanceMM": 13.512109756469727 }, { "sourceFacetIndex": 17854017, "positionAlignedMM": [ 580.1195584105603, -55.207266436678914, 7.260381555898138 ], "region": "ends_roots_other", "oldDistanceMM": 13.890109062194824, "newDistanceMM": 13.483957290649414 }, { "sourceFacetIndex": 17946539, "positionAlignedMM": [ 575.7545290621874, 51.15150937321498, -24.51886769086851 ], "region": "ends_roots_other", "oldDistanceMM": 12.848405838012695, "newDistanceMM": 13.444561958312988 }, { "sourceFacetIndex": 17686880, "positionAlignedMM": [ 579.9576141039963, -51.15673449450628, 20.697533342999204 ], "region": "ends_roots_other", "oldDistanceMM": 14.387569427490234, "newDistanceMM": 13.386971473693848 }, { "sourceFacetIndex": 18844789, "positionAlignedMM": [ 341.23259131141504, -77.66102550636094, 108.28982953990855 ], "region": "spiral_b_faces", "oldDistanceMM": 15.448076248168945, "newDistanceMM": 13.285219192504883 }, { "sourceFacetIndex": 17811592, "positionAlignedMM": [ 582.7297585542581, -53.62678396097444, 12.807646420890528 ], "region": "ends_roots_other", "oldDistanceMM": 14.43786907196045, "newDistanceMM": 13.279707908630371 } ] }