/// <summary>
///
/// </summary>
private void ClosePts()
{
if (ptList.Count < 1) return;
ICoordinate startPt = new Coordinate((ICoordinate) ptList[0]);
var lastPt = (ICoordinate) ptList[ptList.Count - 1];
ICoordinate last2Pt = null;
if (ptList.Count >= 2)
last2Pt = (ICoordinate) ptList[ptList.Count - 2];
if (startPt.Equals(lastPt))
return;
ptList.Add(startPt);
}
/// <summary>
///
/// </summary>
/// <param name="pt"></param>
private void AddPt(ICoordinate pt)
{
ICoordinate bufPt = new Coordinate(pt);
precisionModel.MakePrecise( bufPt);
// don't add duplicate points
ICoordinate lastPt = null;
if (ptList.Count >= 1)
lastPt = (ICoordinate) ptList[ptList.Count - 1];
if (lastPt != null && bufPt.Equals(lastPt)) return;
ptList.Add(bufPt);
}
