.

src/main/java/com/palnet/biz/api/bas/flight/controller/BasFlightController.java

@@ -15,7 +15,6 @@ import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
 import org.locationtech.jts.geom.Coordinate;
-import org.locationtech.proj4j.BasicCoordinateTransform;
 import org.locationtech.proj4j.CRSFactory;
 import org.locationtech.proj4j.CoordinateReferenceSystem;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -390,15 +389,12 @@ public class BasFlightController {
     @GetMapping("/test")
     public void createCircleTest(@RequestParam double getX, @RequestParam double getY, @RequestParam double buffer) {
 
-    	Coordinate circleCoord = new Coordinate(getX, getY);
-    	List<Coordinate> transCoord = new ArrayList<Coordinate>();
-    	transCoord.add(circleCoord);
     	
-    	transCoord = utils.transform(transCoord, "EPSG:4326", "EPSG:5181");
-    	List<Coordinate> coordList = utils.createCircle(transCoord.get(0), buffer);
-    	coordList = utils.transform(coordList, "EPSG:5181", "EPSG:4326");
+    	Coordinate circleCoord = new Coordinate(getY, getX);
+
+    	List<Coordinate> coordList = utils.createCircle(circleCoord, buffer);
     	for(Coordinate a : coordList) {
-    		System.out.println(a.getX() + ", " + a.getY());
+    		System.out.println("["+a.getX() + ", " + a.getY()+"],");
     	}
     }
 }

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

@@ -206,7 +206,7 @@ public class AreaUtils {
         shapeFactory.setWidth((diameterInMeters * 2) / (40075000 * Math.cos(Math.toRadians(lat)) / 360));
         shapeFactory.setNumPoints(64);
 
-        final Polygon circle = shapeFactory.createEllipse();
+        final Polygon circle = shapeFactory.createCircle();
         circle.setSRID(4326);
 
         Geometry geometry = geometryFactory.createGeometry(circle);