/// <summary> /// Add a point to the polygon or polyline. /// </summary> /// <param name="coords">point to add.</param> public void AddPoint(GeoCoords coords) => AddPoint(coords.Latitude, coords.Longitude);
/// <summary> /// Return the results assuming a tentative final test point is added; however, the data for the test point is not saved. /// This lets you report a running result for the perimeter and area as the user moves the mouse cursor. /// Ordinary floating point arithmetic is used to accumulate the data for the test point; /// thus the area and perimeter returned are less accurate than if /// <see cref="AddPoint(GeoCoords)"/> and <see cref="Compute(bool, bool)"/> are used. /// </summary> /// <param name="coords">point to test.</param> /// <param name="reverse">if <see langword="true"/> then clockwise (instead of counter-clockwise) traversal counts as a positive area.</param> /// <param name="sign">if <see langword="true"/> then return a signed result for the area if the polygon is traversed in the "wrong" direction /// instead of returning the area for the rest of the earth.</param> /// <returns> /// <list type="bullet"> /// <item> /// <i>points</i>, the number of points. /// </item> /// <item> /// <i>perimeter</i>, the perimeter of the polygon or length of the polyline (meters). /// </item> /// <item> /// <i>area</i>, the area of the polygon (meters^2); only set if polyline is <see langword="false"/> in the constructor. /// </item> /// </list> /// </returns> public (int points, double perimeter, double area) TestPoint(GeoCoords coords, bool reverse, bool sign) => TestPoint(coords.Latitude, coords.Longitude, reverse, sign);
public double Evaluate(GeoCoords coords) => Evaluate(coords.Latitude, coords.Longitude);
