{
  "stage": 385,
  "method": "Manual whole-photo corner estimates of opening envelopes (including frames); mean side length / mean horizontal-edge length. Rounded diagnostic image-space ratios. No camera calibration, perspective correction, metric scale, statistical confidence interval or automatic edge detection.",
  "samples": [
    {
      "file": "../microdaf-field-photos-back/field-01.jpeg",
      "bay": "left",
      "lowestCorners": [
        [
          444,
          961
        ],
        [
          737,
          982
        ],
        [
          736,
          1046
        ],
        [
          442,
          1033
        ]
      ],
      "nextRowCorners": [
        [
          455,
          758
        ],
        [
          740,
          790
        ],
        [
          737,
          881
        ],
        [
          450,
          858
        ]
      ],
      "lowestApparentHW": 0.231,
      "nextRowApparentHW": 0.333,
      "relativeApparentRatio": 0.695
    },
    {
      "file": "../microdaf-field-photos-back/field-02.jpeg",
      "bay": "left",
      "lowestCorners": [
        [
          773,
          934
        ],
        [
          1100,
          966
        ],
        [
          1092,
          1037
        ],
        [
          764,
          1005
        ]
      ],
      "nextRowCorners": [
        [
          797,
          724
        ],
        [
          1119,
          748
        ],
        [
          1103,
          855
        ],
        [
          783,
          825
        ]
      ],
      "lowestApparentHW": 0.217,
      "nextRowApparentHW": 0.326,
      "relativeApparentRatio": 0.666
    },
    {
      "file": "../microdaf-field-photos-back/field-03.jpeg",
      "bay": "left",
      "lowestCorners": [
        [
          231,
          984
        ],
        [
          536,
          996
        ],
        [
          533,
          1065
        ],
        [
          228,
          1056
        ]
      ],
      "nextRowCorners": [
        [
          244,
          781
        ],
        [
          538,
          800
        ],
        [
          534,
          897
        ],
        [
          237,
          882
        ]
      ],
      "lowestApparentHW": 0.231,
      "nextRowApparentHW": 0.335,
      "relativeApparentRatio": 0.69
    },
    {
      "file": "../microdaf-field-photos-back/field-04.jpeg",
      "bay": "left",
      "lowestCorners": [
        [
          132,
          1027
        ],
        [
          438,
          1037
        ],
        [
          437,
          1104
        ],
        [
          127,
          1099
        ]
      ],
      "nextRowCorners": [
        [
          148,
          825
        ],
        [
          444,
          841
        ],
        [
          439,
          943
        ],
        [
          142,
          923
        ]
      ],
      "lowestApparentHW": 0.226,
      "nextRowApparentHW": 0.337,
      "relativeApparentRatio": 0.67
    },
    {
      "file": "../microdaf-field-photos-back/field-05.jpeg",
      "bay": "left",
      "lowestCorners": [
        [
          249,
          1007
        ],
        [
          462,
          998
        ],
        [
          461,
          1056
        ],
        [
          245,
          1064
        ]
      ],
      "nextRowCorners": [
        [
          261,
          839
        ],
        [
          469,
          824
        ],
        [
          466,
          909
        ],
        [
          254,
          923
        ]
      ],
      "lowestApparentHW": 0.268,
      "nextRowApparentHW": 0.402,
      "relativeApparentRatio": 0.667
    }
  ],
  "historical": {
    "file": "../stage268/sources/microdaf-new-doorway.png",
    "corners": [
      [
        873,
        227
      ],
      [
        1659,
        119
      ],
      [
        1655,
        327
      ],
      [
        877,
        407
      ]
    ],
    "apparentHW": 0.246,
    "limit": "Only lowest left opening wholly visible; cannot validate upper rows.",
    "coordinateNote": "Picks first read on a 1600-square display of the 2100-square original; converted by 2100/1600 to native coordinates. Uniform display scaling does not affect H/W."
  },
  "observations": "Both bays show the same short-lowest / taller-four rhythm. Fields 01-04 carry strongest frontal proportions. Field 02 crops the right bay; field 05 has stronger horizontal foreshortening. The top rows are more affected by upward perspective. Adjacent lowest/next-row comparison is the most useful local check.",
  "decision": {
    "baselineOpeningHW": 0.23589743589743592,
    "lowestOpeningRetained": [
      3.9,
      0.92
    ],
    "upperOpeningChosen": [
      3.9,
      1.3
    ],
    "upperOpeningHW": 0.33333333333333337,
    "lowestToUpper": 0.7076923076923077,
    "confidence": "Enough for rounded by-eye correction; exact architecture and dimensions remain provisional.",
    "reason": "The original short-row geometry was copied to all upper rows (Stage 253 explicitly calls this equalized apertures). Lowest opening already agrees with field and historical source. Upper four are undersized in height, not oversized. Choose approximately one-third H/W; do not shorten the source-supported lowest row.",
    "verticalPlacement": "Retain lowest row, all sill/frame thicknesses and existing masonry band heights. Enlarge each upper opening by .38 study units and carry surfaces above it upward. Upper sill shifts: 0, .38, .76, 1.14. Top study cut rises by 1.52. This avoids consuming masonry bands, and does not claim measured floor levels."
  },
  "allFiveRowsCheck": {
    "file": "../microdaf-field-photos-back/field-03.jpeg",
    "bay": "left",
    "rowsBottomToTop": [
      {
        "row": 1,
        "corners": [
          [
            231,
            984
          ],
          [
            536,
            996
          ],
          [
            533,
            1065
          ],
          [
            228,
            1056
          ]
        ],
        "apparentHW": 0.231
      },
      {
        "row": 2,
        "corners": [
          [
            244,
            781
          ],
          [
            538,
            800
          ],
          [
            534,
            897
          ],
          [
            237,
            882
          ]
        ],
        "apparentHW": 0.335
      },
      {
        "row": 3,
        "corners": [
          [
            257,
            588
          ],
          [
            541,
            612
          ],
          [
            538,
            701
          ],
          [
            249,
            682
          ]
        ],
        "apparentHW": 0.319
      },
      {
        "row": 4,
        "corners": [
          [
            266,
            405
          ],
          [
            544,
            429
          ],
          [
            541,
            513
          ],
          [
            258,
            493
          ]
        ],
        "apparentHW": 0.306
      },
      {
        "row": 5,
        "corners": [
          [
            278,
            228
          ],
          [
            547,
            253
          ],
          [
            545,
            334
          ],
          [
            271,
            311
          ]
        ],
        "apparentHW": 0.301
      }
    ],
    "interpretation": "Four upper apparent ratios approximately .30-.34, lowest .23. Declining apparent upper-row ratios with height are consistent with upward perspective; not justification for a taper in the model."
  }
}