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{
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"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5053
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 2936.52,
"far_charge_mm2": 558.34,
"far_over_near": 0.1901,
"fits_by_area": true,
"utilisation": 0.5053
}
},
"one_face_declared": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 4793.93,
"far_charge_mm2": 1857.42,
"far_over_near": 0.6325,
"fits_by_area": true,
"utilisation": 0.825
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 2936.52,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5053
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 3494.86,
"far_charge_mm2": 558.34,
"far_over_near": 0.1901,
"fits_by_area": true,
"utilisation": 0.6014
}
},
"one_face_observed": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 4793.93,
"far_charge_mm2": 1857.42,
"far_over_near": 0.6325,
"fits_by_area": true,
"utilisation": 0.825
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 2936.52,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5053
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 3494.86,
"far_charge_mm2": 558.34,
"far_over_near": 0.1901,
"fits_by_area": true,
"utilisation": 0.6014
}
}
},
"census_sides": "F",
"containers_excluded": [],
"courtyard_sides_differ": 0,
"courtyard_sides_drawn": 0,
"declared_face": "F",
"declared_is_hypothetical": false,
"pad_bearing_B": 0,
"parts_charged": 65,
"through_hole_plated": 22,
"tht_obstructing": 24,
"usable_area_mm2": 5811.1
},
"tigard": {
"arms": {
"busiest": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 1407.62,
"far_charge_mm2": 792.85,
"far_over_near": 0.5558,
"fits_by_area": true,
"utilisation": 0.6952
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 1407.62,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.6952
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 1407.62,
"far_charge_mm2": 353.33,
"far_over_near": 0.2477,
"fits_by_area": true,
"utilisation": 0.6952
}
},
"one_face_declared": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 2219.37,
"far_charge_mm2": 792.85,
"far_over_near": 0.5558,
"fits_by_area": false,
"utilisation": 1.0961
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 1426.52,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.7045
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 1779.85,
"far_charge_mm2": 353.33,
"far_over_near": 0.2477,
"fits_by_area": true,
"utilisation": 0.879
}
},
"one_face_observed": null
},
"census_sides": "both",
"containers_excluded": [],
"courtyard_sides_differ": 0,
"courtyard_sides_drawn": 0,
"declared_face": "F",
"declared_is_hypothetical": true,
"pad_bearing_B": 2,
"parts_charged": 89,
"through_hole_plated": 8,
"tht_obstructing": 12,
"usable_area_mm2": 2024.79
},
"ulx3s": {
"arms": {
"busiest": {
"courtyard": {
"binding_side": "B.Cu",
"charged_area_mm2": 4226.53,
"far_charge_mm2": 2209.87,
"far_over_near": 0.3569,
"fits_by_area": true,
"utilisation": 0.9128
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 4175.64,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.9018
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 4175.64,
"far_charge_mm2": 819.34,
"far_over_near": 0.1323,
"fits_by_area": true,
"utilisation": 0.9018
}
},
"one_face_declared": {
"courtyard": {
"binding_side": "B.Cu",
"charged_area_mm2": 8402.17,
"far_charge_mm2": 2209.87,
"far_over_near": 0.3569,
"fits_by_area": false,
"utilisation": 1.8146
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 6192.3,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": false,
"utilisation": 1.3373
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 7011.64,
"far_charge_mm2": 819.34,
"far_over_near": 0.1323,
"fits_by_area": false,
"utilisation": 1.5143
}
},
"one_face_observed": null
},
"census_sides": "both",
"containers_excluded": [],
"courtyard_sides_differ": 0,
"courtyard_sides_drawn": 0,
"declared_face": "B",
"declared_is_hypothetical": true,
"pad_bearing_B": 163,
"parts_charged": 226,
"through_hole_plated": 11,
"tht_obstructing": 12,
"usable_area_mm2": 4630.4
},
"watchy": {
"arms": {
"busiest": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 739.8,
"far_charge_mm2": 169.87,
"far_over_near": 0.2296,
"fits_by_area": true,
"utilisation": 0.5018
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 739.8,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5018
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 739.8,
"far_charge_mm2": 48.71,
"far_over_near": 0.0658,
"fits_by_area": true,
"utilisation": 0.5018
}
},
"one_face_declared": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 909.67,
"far_charge_mm2": 169.87,
"far_over_near": 0.2296,
"fits_by_area": true,
"utilisation": 0.617
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 739.8,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5018
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 788.51,
"far_charge_mm2": 48.71,
"far_over_near": 0.0658,
"fits_by_area": true,
"utilisation": 0.5348
}
},
"one_face_observed": {
"courtyard": {
"binding_side": "F.Cu",
"charged_area_mm2": 909.67,
"far_charge_mm2": 169.87,
"far_over_near": 0.2296,
"fits_by_area": true,
"utilisation": 0.617
},
"none": {
"binding_side": "F.Cu",
"charged_area_mm2": 739.8,
"far_charge_mm2": 0.0,
"far_over_near": 0.0,
"fits_by_area": true,
"utilisation": 0.5018
},
"tht": {
"binding_side": "F.Cu",
"charged_area_mm2": 788.51,
"far_charge_mm2": 48.71,
"far_over_near": 0.0658,
"fits_by_area": true,
"utilisation": 0.5348
}
}
},
"census_sides": "F",
"containers_excluded": [],
"courtyard_sides_differ": 0,
"courtyard_sides_drawn": 0,
"declared_face": "F",
"declared_is_hypothetical": false,
"pad_bearing_B": 0,
"parts_charged": 84,
"through_hole_plated": 1,
"tht_obstructing": 5,
"usable_area_mm2": 1474.31
}
},
"confound": {
"courtyard_sides_differ": 0,
"courtyard_sides_drawn": 2
},
"control": {
"nc1_fields_per_row": 9,
"nc1_mismatches": [],
"nc1_rows": 37,
"nc2_boards": [
"haasoscope_pro_max_test",
"qfn_diffpair_escape",
"qfn_interior_pads",
"qfn_underpad_coupling",
"routed_output"
],
"nc2_mismatches": []
},
"engine_sha": "c9c9c2cd61acfbbbecaaaf126ef3fb638b54c696",
"engine_tree_dirty": true,
"engine_tree_dirty_files": [
"py_placer/placement/options.py",
"py_placer/placement/writer.py",
"tests/878_far_face_currency.json",
"tests/measure_878_far_face_area.py",
"tests/mutate_837.py",
"tests/test_878_far_face_currency.py",
"tests/test_878_side_rule_sites.py",
"tests/test_capacity_options.py",
"y_placer/placement/legality.py"
],
"headline": {
"double": {
"busiest.courtyard": [
[
"flat_hierarchy",
1.0
],
[
"cap_chain",
0.9123
],
[
"interf_u_unrouted",
0.878
],
[
"interf_u_unrouted_placed",
0.878
],
[
"kit-dev-coldfire-xilinx_5213",
0.6946
],
[
"splitflap_driver",
0.6325
],
[
"glasgow_revC",
0.5654
],
[
"tigard",
0.5558
],
[
"esp_prog",
0.4651
],
[
"sonde_u",
0.4309
],
[
"rp2350_fpga_eensy_prePlane",
0.4171
],
[
"lvds_converter_dualclk",
0.3915
],
[
"lvds_converter_dualclk_gnd",
0.3915
],
[
"qfn_csi_underpad_diff",
0.3758
],
[
"ulx3s",
0.3569
],
[
"orangecrab_ext_pll",
0.2825
],
[
"watchy",
0.2296
]
],
"busiest.tht": [
[
"flat_hierarchy",
0.5866
],
[
"interf_u_unrouted",
0.5519
],
[
"interf_u_unrouted_placed",
0.5519
],
[
"esp_prog",
0.4352
],
[
"cap_chain",
0.3271
],
[
"sonde_u",
0.2719
],
[
"kit-dev-coldfire-xilinx_5213",
0.2607
],
[
"tigard",
0.2477
],
[
"rp2350_fpga_eensy_prePlane",
0.201
],
[
"glasgow_revC",
0.1923
],
[
"splitflap_driver",
0.1901
],
[
"lvds_converter_dualclk",
0.1819
],
[
"lvds_converter_dualclk_gnd",
0.1819
],
[
"orangecrab_ext_pll",
0.1797
],
[
"qfn_csi_underpad_diff",
0.16
],
[
"ulx3s",
0.1323
],
[
"watchy",
0.0658
]
],
"one_face_declared.courtyard": [
[
"flat_hierarchy",
1.0
],
[
"cap_chain",
0.9123
],
[
"interf_u_unrouted",
0.878
],
[
"interf_u_unrouted_placed",
0.878
],
[
"kit-dev-coldfire-xilinx_5213",
0.6946
],
[
"splitflap_driver",
0.6325
],
[
"glasgow_revC",
0.5654
],
[
"tigard",
0.5558
],
[
"esp_prog",
0.4651
],
[
"sonde_u",
0.4309
],
[
"rp2350_fpga_eensy_prePlane",
0.4171
],
[
"lvds_converter_dualclk",
0.3915
],
[
"lvds_converter_dualclk_gnd",
0.3915
],
[
"qfn_csi_underpad_diff",
0.3758
],
[
"ulx3s",
0.3569
],
[
"orangecrab_ext_pll",
0.2825
],
[
"watchy",
0.2296
]
],
"one_face_declared.tht": [
[
"flat_hierarchy",
0.5866
],
[
"interf_u_unrouted",
0.5519
],
[
"interf_u_unrouted_placed",
0.5519
],
[
"esp_prog",
0.4352
],
[
"cap_chain",
0.3271
],
[
"sonde_u",
0.2719
],
[
"kit-dev-coldfire-xilinx_5213",
0.2607
],
[
"tigard",
0.2477
],
[
"rp2350_fpga_eensy_prePlane",
0.201
],
[
"glasgow_revC",
0.1923
],
[
"splitflap_driver",
0.1901
],
[
"lvds_converter_dualclk",
0.1819
],
[
"lvds_converter_dualclk_gnd",
0.1819
],
[
"orangecrab_ext_pll",
0.1797
],
[
"qfn_csi_underpad_diff",
0.16
],
[
"ulx3s",
0.1323
],
[
"watchy",
0.0658
]
],
"one_face_observed.courtyard": [
[
"flat_hierarchy",
1.0
],
[
"cap_chain",
0.9123
],
[
"interf_u_unrouted",
0.878
],
[
"interf_u_unrouted_placed",
0.878
],
[
"splitflap_driver",
0.6325
],
[
"esp_prog",
0.4651
],
[
"lvds_converter_dualclk",
0.3915
],
[
"lvds_converter_dualclk_gnd",
0.3915
],
[
"qfn_csi_underpad_diff",
0.3758
],
[
"watchy",
0.2296
]
],
"one_face_observed.tht": [
[
"flat_hierarchy",
0.5866
],
[
"interf_u_unrouted",
0.5519
],
[
"interf_u_unrouted_placed",
0.5519
],
[
"esp_prog",
0.4352
],
[
"cap_chain",
0.3271
],
[
"splitflap_driver",
0.1901
],
[
"lvds_converter_dualclk",
0.1819
],
[
"lvds_converter_dualclk_gnd",
0.1819
],
[
"qfn_csi_underpad_diff",
0.16
],
[
"watchy",
0.0658
]
]
},
"flips": {
"busiest.courtyard": [],
"busiest.tht": [],
"one_face_declared.courtyard": [
[
"glasgow_revC",
0.8804,
1.3781,
3791.77
],
[
"rp2350_fpga_eensy_prePlane",
0.8416,
1.1927,
584.18
],
[
"sonde_u",
0.8446,
1.2085,
3349.09
],
[
"tigard",
0.7045,
1.0961,
2024.79
]
],
"one_face_declared.tht": [
[
"glasgow_revC",
0.8804,
1.0497,
3791.77
],
[
"rp2350_fpga_eensy_prePlane",
0.8416,
1.0108,
584.18
],
[
"sonde_u",
0.8446,
1.0742,
3349.09
]
],
"one_face_observed.courtyard": [],
"one_face_observed.tht": []
},
"moves": {
"busiest.courtyard": {
"boards": [
[
"rp2350_fpga_eensy_prePlane",
0.0517
],
[
"ulx3s",
0.011
]
],
"max": 0.0517,
"median": 0.0314,
"n": 2
},
"busiest.tht": {
"boards": [
[
"rp2350_fpga_eensy_prePlane",
0.0346
]
],
"max": 0.0346,
"median": 0.0346,
"n": 1
},
"one_face_declared.courtyard": {
"boards": [
[
"glasgow_revC",
0.4977
],
[
"ulx3s",
0.4773
],
[
"interf_u_unrouted",
0.4322
],
[
"interf_u_unrouted_placed",
0.4322
],
[
"tigard",
0.3916
],
[
"kit-dev-coldfire-xilinx_5213",
0.3868
],
[
"flat_hierarchy",
0.3801
],
[
"sonde_u",
0.3639
],
[
"orangecrab_ext_pll",
0.354
],
[
"rp2350_fpga_eensy_prePlane",
0.3511
],
[
"splitflap_driver",
0.3197
],
[
"esp_prog",
0.2414
],
[
"watchy",
0.1152
],
[
"cap_chain",
0.099
],
[
"lvds_converter_dualclk",
0.0966
],
[
"lvds_converter_dualclk_gnd",
0.0966
],
[
"qfn_csi_underpad_diff",
0.0521
]
],
"max": 0.4977,
"median": 0.354,
"n": 17
},
"one_face_declared.tht": {
"boards": [
[
"interf_u_unrouted",
0.2717
],
[
"interf_u_unrouted_placed",
0.2717
],
[
"sonde_u",
0.2296
],
[
"esp_prog",
0.2259
],
[
"orangecrab_ext_pll",
0.2252
],
[
"flat_hierarchy",
0.223
],
[
"ulx3s",
0.177
],
[
"tigard",
0.1745
],
[
"glasgow_revC",
0.1693
],
[
"rp2350_fpga_eensy_prePlane",
0.1692
],
[
"kit-dev-coldfire-xilinx_5213",
0.1452
],
[
"splitflap_driver",
0.0961
],
[
"lvds_converter_dualclk",
0.0449
],
[
"lvds_converter_dualclk_gnd",
0.0449
],
[
"cap_chain",
0.0355
],
[
"watchy",
0.033
],
[
"qfn_csi_underpad_diff",
0.0222
]
],
"max": 0.2717,
"median": 0.1693,
"n": 17
},
"one_face_observed.courtyard": {
"boards": [
[
"interf_u_unrouted",
0.4322
],
[
"interf_u_unrouted_placed",
0.4322
],
[
"flat_hierarchy",
0.3801
],
[
"splitflap_driver",
0.3197
],
[
"esp_prog",
0.2414
],
[
"watchy",
0.1152
],
[
"cap_chain",
0.099
],
[
"lvds_converter_dualclk",
0.0966
],
[
"lvds_converter_dualclk_gnd",
0.0966
],
[
"qfn_csi_underpad_diff",
0.0521
]
],
"max": 0.4322,
"median": 0.1783,
"n": 10
},
"one_face_observed.tht": {
"boards": [
[
"interf_u_unrouted",
0.2717
],
[
"interf_u_unrouted_placed",
0.2717
],
[
"esp_prog",
0.2259
],
[
"flat_hierarchy",
0.223
],
[
"splitflap_driver",
0.0961
],
[
"lvds_converter_dualclk",
0.0449
],
[
"lvds_converter_dualclk_gnd",
0.0449
],
[
"cap_chain",
0.0355
],
[
"watchy",
0.033
],
[
"qfn_csi_underpad_diff",
0.0222
]
],
"max": 0.2717,
"median": 0.0705,
"n": 10
}
},
"robustness": {
"not_robust": [],
"unmeasured": [
"per-board clearance from a sibling .kicad_pro (#441): most tracked boards carry none"
]
}
},
"post_hoc": {
"finding": "no far-face charge belongs in the one-face SUM; the far face is charged into `busiest` only",
"generalises": "F1, which is a threshold on the same mechanism and fires only for `courtyard` on this corpus",
"one_face_charged_once": {
"courtyard": {
"boards_double_charged": [
[
"flat_hierarchy",
5927.41,
11854.82
],
[
"interf_u_unrouted",
6045.77,
11353.71
],
[
"interf_u_unrouted_placed",
6045.77,
11353.71
],
[
"splitflap_driver",
2936.52,
4793.93
],
[
"watchy",
739.8,
909.67
],
[
"lvds_converter_dualclk",
411.13,
572.1
],
[
"lvds_converter_dualclk_gnd",
411.13,
572.1
],
[
"esp_prog",
215.46,
315.68
],
[
"cap_chain",
51.57,
98.62
],
[
"qfn_csi_underpad_diff",
113.05,
155.53
]
],
"charged_once": false
},
"none": {
"boards_double_charged": [],
"charged_once": true
},
"tht": {
"boards_double_charged": [
[
"flat_hierarchy",
5927.41,
9404.4
],
[
"interf_u_unrouted",
6045.77,
9382.64
],
[
"interf_u_unrouted_placed",
6045.77,
9382.64
],
[
"splitflap_driver",
2936.52,
3494.86
],
[
"esp_prog",
215.46,
309.23
],
[
"lvds_converter_dualclk",
411.13,
485.92
],
[
"lvds_converter_dualclk_gnd",
411.13,
485.92
],
[
"watchy",
739.8,
788.51
],
[
"qfn_csi_underpad_diff",
113.05,
131.13
],
[
"cap_chain",
51.57,
68.45
]
],
"charged_once": false
}
},
"status": "POST-HOC -- reasoned after the numbers were visible, NOT part of PREREGISTRATION, and it only makes the change more conservative than the rule required",
"why": "sum(per_side) is each part exactly once, the demand on the one populated face. Leads on the unpopulated face compete with nothing, so any far charge there is the same area twice."
},
"preregistration": {
"F1_DOUBLE_MAX": 0.9,
"F1_WITNESS": "flat_hierarchy",
"F1_WITNESS_PREDICTION": 1.0,
"MOVE_EPS": 0.005,
"NC2_BOARDS": [
"haasoscope_pro_max_test",
"qfn_diffpair_escape",
"qfn_interior_pads",
"qfn_underpad_coupling",
"routed_output"
],
"assembly_predicate": "legality.assembly_census (pad_is_plated_through)",
"bases": [
"busiest",
"one_face_observed",
"one_face_declared"
],
"basis_population": {
"busiest": "every tracked board; charged = max(per_side)",
"one_face_declared": "every tracked board, declaring the census face where there is one and the majority pad-bearing face otherwise; REPORTED ONLY, never read by the rule -- on a two-sided board it is a counterfactual",
"one_face_observed": "boards whose assembly_census['sides'] is 'F' or 'B'; charged = sum(per_side)"
},
"currencies": [
"none",
"tht",
"courtyard"
],
"decision_bases": [
"busiest",
"one_face_observed"
],
"default_currency": "tht",
"default_reason": "legality.rect_on is the only place in the tree where the far-face rect is DECIDED rather than sidestepped, and it answers tht_rect. check_pockets.courtyard_cover is not a competing decision: it answers a per-window COVER question where summing never arises. grow_board giving a third answer is a second answer to a settled question.",
"obstruction_predicate": "legality.footprint_has_through_pads (drill > 0)",
"question": "which rect does a through-hole part present on the FAR face when grow_board charges part area: the whole courtyard, the drilled-pad rect, or nothing",
"rules": [
"STEP 0 if NC1 or NC2 fails on any row, the sweep decides NOTHING.",
"STEP 0b if courtyard_sides_differ > 0, the `courtyard` arm is confounded by the both-sides union grow_board reads and must be split into union/own-side before it may be selected.",
"STEP 1 F1: on a one-face basis, a currency with far_over_near >= F1_DOUBLE_MAX on any board is REJECTED for that basis.",
"STEP 2 F2: a currency with 0 flips and 0 moves on every decision basis is INDISTINGUISHABLE from `none` on this corpus.",
"STEP 3 per decision basis, among currencies neither rejected nor inert: `tht` is selected on default_reason. `courtyard` displaces it only if it survives F1 on that basis AND flips strictly more boards. If only `none` survives, that basis keeps `none` and the not_modelled disclosure becomes basis-specific.",
"STEP 4 if the robustness arm reports NOT ROBUST, a selection may not be taken from flips; it falls back to default_currency on default_reason alone, and the verdict says so."
]
},
"verdict": {
"bound_by": {
"busiest": "default_reason (legality.rect_on)",
"one_face_observed": "default_reason (legality.rect_on)"
},
"f1_rejected": {
"busiest": [],
"one_face_observed": [
"courtyard"
]
},
"f2_inert": [],
"selected": {
"busiest": "tht",
"one_face_observed": "tht"
},
"why": []
}
}