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"end_elevation_m": 386.96002757220117, "start_xy": [ 1880315.5971559559, 5772710.80257419 ], "end_xy": [ 1880315.2084681606, 5772708.840707274 ] }, "max_3m": { "gradient_pct": 22.11823182565998, "start_distance_m": 1416.0, "end_distance_m": 1419.0, "midpoint_distance_m": 1417.5, "start_elevation_m": 386.5088919410405, "end_elevation_m": 387.1724388958103, "start_xy": [ 1880315.5971559559, 5772710.80257419 ], "end_xy": [ 1880314.9878760553, 5772707.869294462 ] } }, "diagnostic_note": "Windows <=3 m are at raster-noise scale (1-sigma raster noise alone is roughly +/-7 pp at 2 m and +/-5 pp at 3 m on a 1 m DTM). 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