Files
Pier_v1/tests/kink-steps.test.ts
T
ypshimandClaude Haiku 5.5 ed84761449 fix(rebar): 확대기초 철근 — 구간별 3D 위치, 기둥 소속, 길이별 행, 2조각 수량
- 3D: 확대기초 철근을 늘 구간 0에 그려, 꺾인 교각의 구간 1 기초(산외교 P11 ③)는 철근이 없고 구간 0 기초에 겹쳐 그려졌다
- 기초에 속한 기둥을 같은 구간 안에서만 찾는다 (B9 기둥 구역이 다른 구간 기둥으로 잘못 빠지던 것)
- 길이가 다른 기초의 철근을 가장 긴 길이 하나로 합치지 않고 길이별 조각으로 둔다
- 정척 초과 2조각 이음 행이 철근 한 개당 한 조각만 중량에 넣던 것을 두 조각으로 (P1 B6 31개 → 62조각)

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
2026-11-10 17:28:18 +09:00

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import { describe, expect, it } from 'vitest';
import { readFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import * as XLSX from 'xlsx';
import { parseWorkbook } from '../src/core/parseWorkbook';
import { buildPier, DIM, defaultLevelWidthMm } from '../src/core/geometry';
import type { PierInput } from '../src/core/types';
import { rebarSummary } from '../src/core/rebar/summary';
import { multicolCopingInfo } from '../src/core/rebar/multicol-coping';
import { copingFold, inWedge, isTransverse } from '../src/core/rebar/coping-fold';
import { buildRebar3D } from '../src/view/rebar3d';
import { shearB9 } from '../src/core/rebar/footing';
import { loadP1 } from './helpers';
// 산외교 P11 (샘플01) with the coping bent 8.767° at IP4 (2026-11-10 검토): back ⑥ g 11.64, ⑦ g 18.49, kink g 15.14.
const SAMPLE = fileURLToPath(new URL('../project_data/01_엑셀/샘플01_산외교_교각입력데이터.xlsx', import.meta.url));
function p11(): PierInput {
const wb = XLSX.read(readFileSync(SAMPLE), { type: 'buffer' });
wb.Sheets['IP']['F46'] = { t: 'n', v: 8.767 };
const input = parseWorkbook(wb).piers.find((p) => p.name === 'P11')!;
return { ...input, levelWidthMm: input.levelWidthMm ?? defaultLevelWidthMm(input.type, 2000) };
}
const kinkOf = (m: ReturnType<typeof buildPier>) => m.stretches[1].base;
const gOf = (m: ReturnType<typeof buildPier>, no: number) => m.bearings.find((b) => b.no === no)!.g;
describe('꺾임점 근처 계단 경계 (A, 2026-11-10)', () => {
it('a back boundary 0.07 m from the kink moves onto the kink (⑥|⑦)', () => {
const m = buildPier(p11());
const kink = kinkOf(m);
const own = (gOf(m, 6) + gOf(m, 7)) / 2;
expect(Math.abs(own - kink)).toBeLessThan(0.1);
expect(m.backSegments![2].s0).toBeCloseTo(kink, 9);
expect(m.backSegments![1].s1).toBeCloseTo(kink, 9);
});
it('boundaries far from the kink stay midway between their bearings', () => {
const m = buildPier(p11());
expect(m.backSegments![1].s0).toBeCloseTo((gOf(m, 5) + gOf(m, 6)) / 2, 9);
expect(m.backSegments![3].s0).toBeCloseTo((gOf(m, 7) + gOf(m, 8)) / 2, 9);
m.segments.slice(1).forEach((seg) => expect(Math.abs(seg.s0 - kinkOf(m))).toBeGreaterThan(DIM.blockSize / 2));
});
it('no snap when a bearing would end up closer than half a block to the kink', () => {
const input = p11();
const base = buildPier(input);
// ⑦ 0.4 m past the kink, ⑥ 0.6 m before it: midpoint 0.1 m before the kink, but ⑦ is within half a block.
const u1 = base.stretches[1].u;
const u0 = base.stretches[0].u;
const kink = kinkOf(base);
const d7 = kink + 0.4 - gOf(base, 7);
const d6 = kink - 0.6 - gOf(base, 6);
const bearings = input.bearings.map((b) =>
b.no === 7 ? { ...b, x: b.x + d7 * u1.e, y: b.y + d7 * u1.n } : b.no === 6 ? { ...b, x: b.x + d6 * u0.e, y: b.y + d6 * u0.n } : b);
const m = buildPier({ ...input, bearings });
const own = (gOf(m, 6) + gOf(m, 7)) / 2;
expect(kinkOf(m) - own).toBeCloseTo(0.1, 3);
expect(m.backSegments![2].s0).toBeCloseTo(own, 9);
});
});
describe('전·후열 나눔선 하나 (B, 2026-11-10)', () => {
const split = (m: ReturnType<typeof buildPier>, k: number) => {
const [front] = m.copingParts.filter((p) => p.k === k);
return Math.abs(front.nFrom) < Math.abs(front.nTo) ? front.nFrom : front.nTo;
};
const meanN = (m: ReturnType<typeof buildPier>, row: string, k?: number) => {
const rows = m.bearings.filter((b) => b.row === row && (k === undefined || b.k === k));
return rows.reduce((s, b) => s + b.n, 0) / rows.length;
};
it('both stretches use the same line, the mean of the two rows over the whole pier (no jog at the kink)', () => {
const m = buildPier(p11());
expect(m.copingParts).toHaveLength(4);
const nAll = (meanN(m, '전열') + meanN(m, '후열')) / 2;
expect(split(m, 0)).toBeCloseTo(nAll, 9);
expect(split(m, 1)).toBeCloseTo(nAll, 9);
// Per stretch the lines would differ by about 0.16 m.
const per = (k: number) => (meanN(m, '전열', k) + meanN(m, '후열', k)) / 2;
expect(Math.abs(per(0) - per(1))).toBeGreaterThan(0.1);
});
it('falls back to a line per stretch when a bearing would be closer than half a block to the common line', () => {
const input = p11();
const base = buildPier(input);
const nrm = base.stretches[1].nrm;
// Move back ⑦ towards the axis (+n side here is the front), to n ≈ +0.1.
const b7 = base.bearings.find((b) => b.no === 7)!;
const d = 0.1 - b7.n;
const bearings = input.bearings.map((b) => (b.no === 7 ? { ...b, x: b.x + d * nrm.e, y: b.y + d * nrm.n } : b));
const m = buildPier({ ...input, bearings });
const nAll = (meanN(m, '전열') + meanN(m, '후열')) / 2;
expect(m.bearings.some((b) => Math.abs(b.n - nAll) < DIM.blockSize / 2)).toBe(true);
for (const k of [0, 1]) expect(split(m, k)).toBeCloseTo((meanN(m, '전열', k) + meanN(m, '후열', k)) / 2, 9);
});
});
describe('꺾임점 계단면 = 미터면 (2026-11-10)', () => {
// Top of a stepped profile at s: the last top point at or before s.
const topAt = (m: ReturnType<typeof buildPier>, profile: [number, number][], s: number) =>
profile.slice(0, profile.findIndex(([ps]) => ps > s + 1e-9)).filter(([, z]) => z > m.endBottom + 1e-9).pop()![1];
it('over the whole mitre spread, stretch 0 keeps the top before the kink and stretch 1 the top after it', () => {
const m = buildPier(p11());
const kink = kinkOf(m);
const spread = (m.copingB / 2) * Math.tan((8.767 * Math.PI) / 360);
// The back part carries the ⑥|⑦ step at the kink: ⑥ top (back segment 1) before, ⑦ top (segment 2) after.
expect(m.backSegments![2].s0).toBeCloseTo(kink, 9);
const before = m.backSegments![1].top, after = m.backSegments![2].top;
expect(after - before).toBeGreaterThan(0.5);
const backPart = (k: number) => {
const parts = m.copingParts.filter((p) => p.k === k);
return parts.find((p) => p.profile.some(([, z]) => Math.abs(z - after) < 1e-9))!;
};
// Stretch 0 (local s = g): just short of the far edge of the mitre spread, still the ⑥ top.
expect(topAt(m, backPart(0).profile, kink + spread - 1e-6)).toBeCloseTo(before, 9);
// Stretch 1 (local s = g − kink): just past the near edge of the spread, already the ⑦ top.
expect(topAt(m, backPart(1).profile, -spread + 1e-6)).toBeCloseTo(after, 9);
// Away from the kink the profiles are unchanged: the ⑦ top in stretch 0 a block past the kink.
expect(topAt(m, backPart(0).profile, kink + DIM.blockSize / 2 + 0.1)).toBeCloseTo(after, 9);
});
});
describe('받침 번호가 축 반대 방향인 교각 (2026-11-10)', () => {
it('steps are built in g order: bounds rise and each step top is its own bearing seat', () => {
// P1 with the bearing numbers reversed in each row (⑤ … ① along IP1 → IP3).
const p1 = (() => {
const wb = XLSX.read(readFileSync(fileURLToPath(new URL('../도면추출/samples/운곡교P1입력.xlsx', import.meta.url))), { type: 'buffer' });
return parseWorkbook(wb).piers.find((p) => p.name === 'P1')!;
})();
const renumber = (no: number) => (no <= 5 ? 6 - no : 16 - no);
const reversed = { ...p1, bearings: p1.bearings.map((b) => ({ ...b, no: renumber(b.no) })) };
const a = buildPier(p1), b = buildPier(reversed);
for (const m of [a, b]) m.segments.forEach((s) => expect(s.s1).toBeGreaterThan(s.s0));
expect(b.segments.map((s) => s.top)).toEqual(a.segments.map((s) => s.top));
expect(b.segments.map((s) => s.s0)).toEqual(a.segments.map((s) => s.s0));
});
});
describe('꺾인 다주형 코핑의 철근표 (A, 2026-11-10)', () => {
it('uses the multi-column rows, not the one-column T형 rows', () => {
const m = buildPier(p11());
const rows = rebarSummary(m).rows.filter((r) => r.member === 'coping');
const info = multicolCopingInfo(m);
for (const name of ['C9', 'C10', 'C11', 'C1', 'C7']) {
expect(rows.find((r) => r.name === name)!.count, name).toBe(info.bars.filter((b) => b.name === name).length);
}
expect(rows.every((r) => r.note.includes('다주형'))).toBe(true);
});
});
describe('꺾인 코핑 철근 접기 (B·C, 2026-11-10)', () => {
const m = buildPier(p11());
const f = copingFold(m)!;
const bars = multicolCopingInfo(m).bars;
const unfolded = (pts: [number, number, number][]) => pts.slice(1).reduce((s, p, i) => s + Math.hypot(p[0] - pts[i][0], p[1] - pts[i][1], p[2] - pts[i][2]), 0) * 1000;
it('a run across the kink turns at its mitre point: length = unfolded + a0(n) − a1(n), outer longer, inner shorter', () => {
const crossing = bars.filter((b) => b.name === 'C7' && b.pieces!.length === 2);
expect(crossing.length).toBeGreaterThan(0);
for (const b of crossing) {
const n = b.pts[1][2];
expect(b.length).toBeCloseTo(unfolded(b.pts) + (f.a0(n) - f.a1(n)) * 1000, 6);
}
const byN = [...crossing].sort((a, b) => a.pts[1][2] - b.pts[1][2]);
const d = (b: (typeof crossing)[number]) => b.length - unfolded(b.pts);
expect(Math.sign(d(byN[0]))).toBe(-Math.sign(d(byN.at(-1)!)));
expect(Math.abs(d(byN[0]))).toBeGreaterThan(100);
});
it('no bar across the width cuts the mitre, except the one shear set laid on it', () => {
const transverse = bars.filter((b) => isTransverse(b.pts));
const onIt = transverse.filter((b) => b.pieces!.length === 1 && b.pieces![0].pts.every((p) => Math.abs(p[0] - (f.kinkG + f.a0(p[2]))) < 0.2));
expect(new Set(onIt.map((b) => b.name)).size).toBeGreaterThan(0);
for (const b of transverse.filter((x) => !onIt.includes(x))) expect(inWedge(f, b.pts)).toBe(false);
});
it('the top-bar laps keep l_s/2 + the wedge away from the kink', () => {
const c1 = bars.filter((b) => b.name === 'C1');
const ends = c1.flatMap((b) => [Math.min(...b.pts.map((p) => p[0])), Math.max(...b.pts.map((p) => p[0]))]);
const inner = ends.filter((x) => x > 0.2 && x < m.copingL - 0.2);
expect(inner.length).toBeGreaterThan(0);
for (const x of inner) expect(Math.abs(x - f.kinkG)).toBeGreaterThan(f.wedge - 1e-9);
});
it('a straight coping is unchanged (no pieces)', () => {
const straight = buildPier({ ...p11(), ips: p11().ips.map((q) => (q.name === 'IP4' ? { ...q, angleDeg: 0 } : q)) });
expect(multicolCopingInfo(straight).bars.every((b) => b.pieces === undefined)).toBe(true);
});
});
describe('꺾인 코핑 3D 철근 (E, 2026-11-10)', () => {
const straightOf = (input: PierInput) => ({ ...input, ips: input.ips.map((q) => (q.name === 'IP4' ? { ...q, angleDeg: 0 } : q)) });
const count = (rb: ReturnType<typeof buildRebar3D>, name: string) => rb.byName.get(name)?.length ?? 0;
it('a bent multi-column coping now draws its coping bars, runs across the kink in two pieces', () => {
const bent = buildRebar3D(buildPier(p11()));
for (const name of ['C1', 'C7', 'C9', 'C10', 'C12', 'C13', 'C15', 'C16']) expect(count(bent, name), name).toBeGreaterThan(0);
const straight = buildRebar3D(buildPier(straightOf(p11())));
expect(count(bent, 'C7')).toBeGreaterThan(count(straight, 'C7'));
}, 60000);
it('a bent T형 coping draws its coping bars through the same fold', () => {
const t = { ...p11(), type: 'T형' as const, columnCount: 1 };
const bent = buildRebar3D(buildPier(t));
const straight = buildRebar3D(buildPier(straightOf(t)));
expect(count(bent, 'C1')).toBeGreaterThan(0);
expect(count(bent, 'C1')).toBeGreaterThan(count(straight, 'C1'));
}, 60000);
});
describe('꺾인 교각의 확대기초 철근 (2026-11-10)', () => {
// 3주형 as in the project (산외교 P11): columns ① ② share one 18.05 m footing in stretch 0, ③ has a 10.4 m footing in stretch 1.
const m = buildPier({ ...p11(), type: '3주형', columnCount: 3 });
it('each footing draws its rebar in its own stretch', () => {
const rb = buildRebar3D(m);
const footingNames = /^B\d/;
const ks = new Set(rb.records.filter((r) => footingNames.test(r.name)).map((r) => r.k));
expect(m.footings.map((f) => f.k)).toEqual([0, 1]);
expect(ks).toEqual(new Set([0, 1]));
}, 60000);
it('B9 leaves out only the column zones of the same stretch', () => {
const rows = rebarSummary(m).rows;
const expected = m.footings.reduce((sum, f) => {
const cols = m.columns.filter((c) => c.k === f.k && Math.abs(c.s - f.s) <= f.length / 2).map((c) => (c.s - f.s) * 1000);
return sum + shearB9(f.length * 1000, f.width * 1000, (f.top - f.bottom) * 1000, cols, 2000, m.footingRebar).count;
}, 0);
expect(rows.find((r) => r.name === 'B9')!.count).toBe(expected);
});
it('footings of different lengths keep each length (no longest-for-all), spliced bars count both pieces', () => {
const rows = rebarSummary(m).rows.filter((r) => r.member === 'footing');
expect(m.footings.map((f) => f.length)).toEqual([18.05, 10.4]);
const b5 = rows.find((r) => r.name === 'B5')!;
expect(b5.pieces!.length).toBe(2);
const total = b5.pieces!.reduce((s, p) => s + p.count, 0);
// The 18.05 m footing's bars are two pieces each; the 10.4 m footing's one piece.
expect(total).toBeGreaterThan(b5.count);
});
});
describe('정척 초과 확대기초 철근의 2조각 (2026-11-10)', () => {
it('P1 B6 (13646 > 12000): 31 bars of 2 pieces 7776 each, so the weight counts 62 pieces', () => {
const b6 = rebarSummary(buildPier(loadP1())).rows.find((r) => r.name === 'B6')!;
expect(b6.count).toBe(31);
expect(b6.length!).toBeCloseTo(7776, 0);
expect(b6.pieces).toEqual([{ length: b6.length, count: 62 }]);
});
});