{"abstract":"North-east-down positions are labeled as east-north-up.","category":"Robotics frame conventions","checks":6,"contract":"Convert integer local NED [north,east,down] to ENU [east,north,up] with coincident origins.","evaluation_group":"model-11a82a02470a1733","failed_approach":"Swapping north and east alone preserves the wrong vertical sign.","family":"z-robotics_frames-ned-enu-axis","id":"FA-12096","implementations":{"attempt":{"sha256":"4418732f97fb8c58786c52ce072af1b8158466b9782e492b42e63291ee311101","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\ndef rot(v, q):\n    x,y = v\n    return [(x,y),(-y,x),(-x,-y),(y,-x)][q%4]\n\nN = 1\nobservations = []\ndef solve(v):\n    return [v[1],v[0],v[2]]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('north', solve([N,0,0]), [0,N,0])\ncheck('east', solve([0,N,0]), [N,0,0])\ncheck('down', solve([0,0,N]), [0,0,-N])\ncheck('zero', solve([0,0,0]), [0,0,0])\ncheck('mixed', solve([N,2*N,3*N]), [2*N,N,-3*N])\ncheck('up', solve([-N,0,-N]), [0,-N,N])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"da497c5c5d4f82648998f7a90ff369d096cf321d27fbb22922a132d29521858f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\ndef rot(v, q):\n    x,y = v\n    return [(x,y),(-y,x),(-x,-y),(y,-x)][q%4]\n\nN = 1\nobservations = []\ndef solve(v):\n    return v\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('north', solve([N,0,0]), [0,N,0])\ncheck('east', solve([0,N,0]), [N,0,0])\ncheck('down', solve([0,0,N]), [0,0,-N])\ncheck('zero', solve([0,0,0]), [0,0,0])\ncheck('mixed', solve([N,2*N,3*N]), [2*N,N,-3*N])\ncheck('up', solve([-N,0,-N]), [0,-N,N])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"f89834ce93cd27b5c8b0b560c05a848a70a01c70395052430c7dd7b787eb236d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\ndef rot(v, q):\n    x,y = v\n    return [(x,y),(-y,x),(-x,-y),(y,-x)][q%4]\n\nN = 1\nobservations = []\ndef solve(v):\n    return [v[1],v[0],-v[2]]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\ncheck('north', solve([N,0,0]), [0,N,0])\ncheck('east', solve([0,N,0]), [N,0,0])\ncheck('down', solve([0,0,N]), [0,0,-N])\ncheck('zero', solve([0,0,0]), [0,0,0])\ncheck('mixed', solve([N,2*N,3*N]), [2*N,N,-3*N])\ncheck('up', solve([-N,0,-N]), [0,-N,N])\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Small exact offline frame model; not a robot middleware implementation or continuous pose estimator. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"z-robotics_frames-ned-enu-axis","generated_at":"2026-09-29T14:38:53.696272+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Robot adapters must preserve the declared frame, reference point, and representation conventions across interfaces.","repair":"Swap horizontal components and negate down.","root_cause":"The navigation adapter changes the frame label without changing coordinates.","sha256":"fa5f548ef59b474b20d40f23b25613c500112ad0f2640f070df341b7b41a00cf","title":"North-east-down positions are labeled as east-north-up · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":40.535,"exit_code":1,"observations":[{"actual":[0,1,0],"check":"north","expected":[0,1,0],"passed":true},{"actual":[1,0,0],"check":"east","expected":[1,0,0],"passed":true},{"actual":[0,0,1],"check":"down","expected":[0,0,-1],"passed":false},{"actual":[0,0,0],"check":"zero","expected":[0,0,0],"passed":true},{"actual":[2,1,3],"check":"mixed","expected":[2,1,-3],"passed":false},{"actual":[0,-1,-1],"check":"up","expected":[0,-1,1],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"north\", \"actual\": [0, 1, 0], \"expected\": [0, 1, 0], \"passed\": true}, {\"check\": \"east\", \"actual\": [1, 0, 0], \"expected\": [1, 0, 0], \"passed\": true}, {\"check\": \"down\", \"actual\": [0, 0, 1], \"expected\": [0, 0, -1], \"passed\": false}, {\"check\": \"zero\", \"actual\": [0, 0, 0], \"expected\": [0, 0, 0], \"passed\": true}, {\"check\": \"mixed\", \"actual\": [2, 1, 3], \"expected\": [2, 1, -3], \"passed\": false}, {\"check\": \"up\", \"actual\": [0, -1, -1], \"expected\": [0, -1, 1], \"passed\": false}], \"passed\": false}\n"},"broken":{"elapsed_ms":39.95,"exit_code":1,"observations":[{"actual":[1,0,0],"check":"north","expected":[0,1,0],"passed":false},{"actual":[0,1,0],"check":"east","expected":[1,0,0],"passed":false},{"actual":[0,0,1],"check":"down","expected":[0,0,-1],"passed":false},{"actual":[0,0,0],"check":"zero","expected":[0,0,0],"passed":true},{"actual":[1,2,3],"check":"mixed","expected":[2,1,-3],"passed":false},{"actual":[-1,0,-1],"check":"up","expected":[0,-1,1],"passed":false}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"north\", \"actual\": [1, 0, 0], \"expected\": [0, 1, 0], \"passed\": false}, {\"check\": \"east\", \"actual\": [0, 1, 0], \"expected\": [1, 0, 0], \"passed\": false}, {\"check\": \"down\", \"actual\": [0, 0, 1], \"expected\": [0, 0, -1], \"passed\": false}, {\"check\": \"zero\", \"actual\": [0, 0, 0], \"expected\": [0, 0, 0], \"passed\": true}, {\"check\": \"mixed\", \"actual\": [1, 2, 3], \"expected\": [2, 1, -3], \"passed\": false}, {\"check\": \"up\", \"actual\": [-1, 0, -1], \"expected\": [0, -1, 1], \"passed\": false}], \"passed\": false}\n"},"fixed":{"elapsed_ms":41.584,"exit_code":0,"observations":[{"actual":[0,1,0],"check":"north","expected":[0,1,0],"passed":true},{"actual":[1,0,0],"check":"east","expected":[1,0,0],"passed":true},{"actual":[0,0,-1],"check":"down","expected":[0,0,-1],"passed":true},{"actual":[0,0,0],"check":"zero","expected":[0,0,0],"passed":true},{"actual":[2,1,-3],"check":"mixed","expected":[2,1,-3],"passed":true},{"actual":[0,-1,1],"check":"up","expected":[0,-1,1],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"north\", \"actual\": [0, 1, 0], \"expected\": [0, 1, 0], \"passed\": true}, {\"check\": \"east\", \"actual\": [1, 0, 0], \"expected\": [1, 0, 0], \"passed\": true}, {\"check\": \"down\", \"actual\": [0, 0, -1], \"expected\": [0, 0, -1], \"passed\": true}, {\"check\": \"zero\", \"actual\": [0, 0, 0], \"expected\": [0, 0, 0], \"passed\": true}, {\"check\": \"mixed\", \"actual\": [2, 1, -3], \"expected\": [2, 1, -3], \"passed\": true}, {\"check\": \"up\", \"actual\": [0, -1, 1], \"expected\": [0, -1, 1], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}