지붕면 할당 시 방향 설정 작업 추가

src/util/qpolygon-utils.js

@@ -1339,10 +1339,45 @@ export const splitPolygonWithLines = (polygon) => {
   })
 
   const newRoofs = removeDuplicatePolygons(roofs)
-  console.log(newRoofs)
   newRoofs.forEach((roofPoint, index) => {
     let defense, pitch
-    const direction = getDirectionByPoint(roofPoint[0], roofPoint[roofPoint.length - 1])
+    const polygonLines = [...polygon.lines]
+
+    let representLines = []
+    let representLine
+
+    // 지붕을 그리면서 기존 polygon의 line중 연결된 line을 찾는다.
+    polygonLines.forEach((line) => {
+      let startFlag = false
+      let endFlag = false
+      const startPoint = line.startPoint
+      const endPoint = line.endPoint
+      roofPoint.forEach((point, index) => {
+        if (isSamePoint(point, startPoint)) {
+          startFlag = true
+        }
+        if (isSamePoint(point, endPoint)) {
+          endFlag = true
+        }
+      })
+
+      if (startFlag && endFlag) {
+        representLines.push(line)
+      }
+    })
+
+    // representLines중 가장 긴 line을 찾는다.
+    representLines.forEach((line) => {
+      if (!representLine) {
+        representLine = line
+      } else {
+        if (representLine.length < line.length) {
+          representLine = line
+        }
+      }
+    })
+
+    const direction = representLine.direction
 
     switch (direction) {
       case 'top':