From d5b24265961cf73fedb7b4aa21819787a6b5e23e Mon Sep 17 00:00:00 2001
From: ysCha <yscha@interplug.co.kr>
Date: Tue, 23 Jun 2026 15:54:22 +0900
Subject: [PATCH] =?UTF-8?q?[A=ED=83=80=EC=9E=85]=20=EC=A7=80=EB=B6=95?=
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---
 src/util/qpolygon-utils.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index 7a8ddda7..789acdb8 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -1598,6 +1598,29 @@ export const drawGableRoof = (roofId, canvas, textMode) => {
         } else if (Math.abs(normalizedAngle - 90) <= tolerance) {
           isVertical = true
         }
+        // [GABLE-H8 2026-06-23] 노치 결합면에서 직교정렬이 만든 same-direction roofLine 이 기존 마루
+        //   구간 안에 완전히 포함되면(= 마루 위 중복선, isAlready 는 끝점 정확매칭이라 못 거름) 그리지 않는다.
+        //   마루가 이미 그 경계를 닫고 있으므로 중복 roofLine(H-8 과길이 원인)만 제거. cross-direction(hip)·
+        //   부분겹침은 건드리지 않아 정상 A타입 회귀 없음.
+        const _segSameDir = (analyze.isHorizontal && isHorizontal) || (analyze.isVertical && isVertical)
+        if (_segSameDir) {
+          const segV = Math.abs(points[0] - points[2]) < 1
+          const sMin = segV ? Math.min(points[1], points[3]) : Math.min(points[0], points[2])
+          const sMax = segV ? Math.max(points[1], points[3]) : Math.max(points[0], points[2])
+          const coveredByRidge = ridgeLines.find((rg) => {
+            const rgV = Math.abs(rg.x1 - rg.x2) < 1
+            if (rgV !== segV) return false
+            if (segV) {
+              if (Math.abs(rg.x1 - points[0]) >= 1) return false
+              return Math.min(rg.y1, rg.y2) - 1 <= sMin && sMax <= Math.max(rg.y1, rg.y2) + 1
+            }
+            if (Math.abs(rg.y1 - points[1]) >= 1) return false
+            return Math.min(rg.x1, rg.x2) - 1 <= sMin && sMax <= Math.max(rg.x1, rg.x2) + 1
+          })
+          if (coveredByRidge) {
+            return true
+          }
+        }
         if (analyze.isHorizontal) {
           //현재라인이 수평선일때
           if (isHorizontal) {