비행구역 좌표계 변환 처리

src/main/java/com/palnet/biz/api/bas/flight/service/BasFlightService.java

@@ -309,11 +309,12 @@ public class BasFlightService {
         for(BasFlightPlanAreaModel area : rq) {
 
             if("LINE".equals(area.getAreaType())) {
-                List<Coordinate> convertCoordinates = areaUtils.convertCoordinates(area.getCoordList());
-                                
-                List<Coordinate> bufferList = areaUtils.buffer(convertCoordinates, area.getBufferZone()); // buffer 영역 생성
-//                boolean overlaps = areaUtils.overlaps(bufferList); // buffer 영역 장애물 포함 여부 체크
-                List<BasFlightPlanAreaCoordModel> bufferCoordList = areaUtils.convertModel(bufferList);
+                List<Coordinate> convertCoordinates = areaUtils.convertCoordinates(area.getCoordList()); // 객체 타입 변환
+                List<Coordinate> transCoordList = areaUtils.transform(convertCoordinates, "EPSG:4326", "EPSG:5181");
+
+                List<Coordinate> bufferList = areaUtils.buffer(transCoordList, area.getBufferZone()); // buffer 영역 생성
+                List<Coordinate> transBufferList = areaUtils.transform(bufferList, "EPSG:5181", "EPSG:4326"); // buffer 영역 좌표계 변환
+                List<BasFlightPlanAreaCoordModel> bufferCoordList = areaUtils.convertModel(transBufferList);
 
                 area.setBufferCoordList(bufferCoordList);
             }

src/main/java/com/palnet/comn/utils/AreaUtils.java

@@ -10,6 +10,10 @@ import org.locationtech.jts.geom.impl.CoordinateArraySequence;
 import org.locationtech.jts.operation.buffer.BufferOp;
 import org.locationtech.jts.operation.buffer.BufferParameters;
 import org.locationtech.jts.util.GeometricShapeFactory;
+import org.locationtech.proj4j.BasicCoordinateTransform;
+import org.locationtech.proj4j.CRSFactory;
+import org.locationtech.proj4j.CoordinateReferenceSystem;
+import org.locationtech.proj4j.ProjCoordinate;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
 import org.springframework.stereotype.Component;
@@ -35,6 +39,34 @@ public class AreaUtils {
         this.init();
     }
 
+    /**
+     * TODO 좌표계 변환
+     *
+     * @param coordList
+     * @return
+    */
+    public List<Coordinate> transform(List<Coordinate> coordList, String from, String to) {
+        CRSFactory factory = new CRSFactory();
+
+        CoordinateReferenceSystem srcCRS = factory.createFromName(from);
+        CoordinateReferenceSystem tgtCRS = factory.createFromName(to);
+
+        BasicCoordinateTransform transform = new BasicCoordinateTransform(srcCRS, tgtCRS);
+
+        List<Coordinate> result = new ArrayList<>();
+
+        for(Coordinate coord : coordList) {
+            ProjCoordinate projCoordinate = new ProjCoordinate(coord.getX(), coord.getY());
+            ProjCoordinate projTrasform = transform.transform(projCoordinate, new ProjCoordinate());
+
+            Coordinate target = new Coordinate(projTrasform.x, projTrasform.y);
+
+            result.add(target);
+        }
+
+        return result;
+    }
+
     /**
      * TODO 비행 구역 생성시 장애물 영역 포함 체크
      *
@@ -95,7 +127,6 @@ public class AreaUtils {
      */
     public List<Coordinate> buffer(List<Coordinate> coordList, Integer bufferZone) {
         List<Coordinate> bufferList = new ArrayList<>();
-//        GeometryFactory geometryFactory = new GeometryFactory();
 
         LineString line = geometryFactory.createLineString(coordList.toArray(new Coordinate[] {}));
         Geometry geometry = geometryFactory.createGeometry(line);
@@ -108,7 +139,8 @@ public class AreaUtils {
         BufferParameters bufferParam = new BufferParameters(nSegments, cap, join, join);
         BufferOp ops = new BufferOp(geometry, bufferParam);
 
-        Geometry bufTrans = ops.getResultGeometry((bufferZone/177763.63662580872)*2);
+//        Geometry bufTrans = ops.getResultGeometry((bufferZone/177763.63662580872)*2);
+        Geometry bufTrans = ops.getResultGeometry(bufferZone);
 
         Coordinate[] coords = bufTrans.getCoordinates();
 
@@ -118,10 +150,8 @@ public class AreaUtils {
     }
 
     public List<Coordinate> createCircle(Coordinate CircleCoord, Integer BufferZone) {
-        List<Coordinate> coordList = new ArrayList<>();
-
         GeometricShapeFactory shapeFactory = new GeometricShapeFactory();
-//        GeometryFactory geometryFactory = new GeometryFactory();
+
 
         double lng = CircleCoord.x;
         double lat = CircleCoord.y;
@@ -137,7 +167,7 @@ public class AreaUtils {
 
         Geometry geometry = geometryFactory.createGeometry(circle);
         Coordinate[] coords = geometry.getCoordinates();
-
+        List<Coordinate> coordList = new ArrayList<>();
         coordList.addAll(Arrays.asList(coords));
 
         return coordList;