package com.ard.tianyu.service; import com.ard.tianyu.domain.dto.wayline.ArdPositionDTO; import com.ard.tianyu.util.Vertex; import java.util.List; public interface IGeoToolsService { Vertex gcj02ToTargetCoordinate(Vertex gcjVertex); Vertex targetCoordinateToGcj02(Vertex targetVertex); List calConvexHull(List polygonPoints); }