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fix(m4): tape line is a fixed fixture, not draggable (#99)

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Ty
2026-09-25 08:53:38 -07:00
parent 1882fa3842
commit d50d55aea9
8 changed files with 189 additions and 49 deletions
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docs/REQUIREMENTS.md
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@@ -29,9 +29,9 @@ Sources reconciled 2026-09-18 from the current branch docs plus the `pre-simplif
| CAPTURE-60 | The owner aligns the length axis to the prevailing slab length and confirms it; the tape-line calibration is independent of the mask's minimum-area bounding rectangle. | M4 | frontend/src/capture/tapeLine.test.ts |
| CAPTURE-65 | On a nearly square slab the owner chooses which axis is length. | shipped | — |
| CAPTURE-70 | The owner enters length and thickness in 1/8 inch steps. | shipped | frontend/src/capture/measureInputs.test.ts |
| CAPTURE-75 | Scale equals the pixel distance between the two owner-positioned tape-line ticks divided by the owner-declared length; mask span (`maskSpanAlong`) is not checked or used as a length or scale source. | M4 | frontend/src/measure/measure.test.ts |
| CAPTURE-170 | The calibration overlay shows a draggable tape-line with two rifle-scope end ticks; the owner positions the ticks at the tape's actual start and end. | M4 | frontend/src/capture/tapeLine.test.ts |
| CAPTURE-175 | The owner-declared length is the distance represented by the tape-line ticks, and scale uses their pixel distance in source-photo coordinates, independent of mask span. | M4 | frontend/src/measure/measure.test.ts |
| CAPTURE-75 | Scale equals the pixel distance between the two ends of the fixed tape line divided by the owner-declared length; mask span (`maskSpanAlong`) is not checked or used as a length or scale source. | M4 | frontend/src/measure/measure.test.ts |
| CAPTURE-170 | The calibration overlay draws one black tape-line fixed in the middle of the 3:4 frame, with a tick at each end. The line is a stage fixture: it is not editable, and its ends are set by the crop-fill setting alone (at 90 percent each end sits 5 percent in from the frame edge). The owner pans, zooms, and rotates the slab until its long axis lies along the line. | M4 | frontend/src/capture/tapeLine.test.ts |
| CAPTURE-175 | The owner-declared length is the tape reading taken where the slab was aligned to the line; scale equals the fixed line's pixel distance between its two ends, in source-photo coordinates, divided by that declared length. Mask span (`maskSpanAlong`) is not checked or used as a length or scale source. | M4 | frontend/src/measure/measure.test.ts |
| CAPTURE-80 | Widths sample every 6 inches perpendicular to the approved axis, dropping the first and last 6 inches; min, max, and average are reported; if length is 12 inches or less all three are zero. | shipped | frontend/src/measure/measure.test.ts |
| CAPTURE-85 | sqft equals mask_pixels divided by scale squared divided by 144, rounded half-up to 2 decimals. | shipped | frontend/src/measure/measure.test.ts |
| CAPTURE-90 | bdft equals sqft times thickness_in, rounded half-up to 2 decimals, with no divide-by-12; 1 sqft at 1 inch equals 1 bdft. | shipped | frontend/src/measure/measure.test.ts |