提交更新

jfxmap/offline/Core/HdLib.cpp

@@ -81,7 +81,7 @@ bool HdLib::GetDataNearby(const Point &ptPoint, float fLonIntervalHalfMetre, flo
 //  The function will return YES if the point x,y is inside the polygon, or
 //  NO if it is not.  If the point is exactly on the edge of the polygon,
 //  then the function may return YES or NO.
-bool IsPointInPolygon(std::vector<std::vector<double>>& poly, const Point& pt)
+bool IsPointInPolygon(const std::vector<std::vector<double>>& poly, const Point& pt)
 {
     int i, j;
     bool c = false;