private static void CalculateAreaAndPerimeter(DataAccessLayer DAL)
{
List<TtPolygon> polys = DAL.GetPolygons();
if (polys != null && polys.Count > 0)
{
foreach (TtPolygon poly in polys)
{
try
{
TtPolygon newPoly = new TtPolygon(poly);
List<TtPoint> points = DAL.GetBoundaryPoints(poly.CN).FilterOut(OpType.WayPoint).ToList();
if (points.Count > 2)
{
double perim = 0, area = 0;
points.Add(points[0]);
TtPoint p1, p2;
for (int i = 0; i < points.Count - 1; i++)
{
p1 = points[i];
p2 = points[i + 1];
perim += TtUtils.Distance(p1, p2);
area += ((p2.AdjX - p1.AdjX) * (p2.AdjY + p1.AdjY) / 2);
}
newPoly.Perimeter = perim;
newPoly.Area = Math.Abs(area);
}
else
{
newPoly.Perimeter = 0;
newPoly.Area = 0;
}
DAL.SavePolygon(poly, newPoly);
}
catch (Exception ex)
{
TtUtils.WriteError(ex.Message, "SegmentFactory:CalculateAreaAndPerimeter", ex.StackTrace);
}
}
}
}
