//gets list of polygon2ds and find the most closest polygon2d to the center , to place the central stn
internal static Dictionary <string, object> MakeCentralStation(List <Polygon2d> polygonsList, Point2d centerPt)
{
if (polygonsList == null || polygonsList.Count == 0)
{
return(null);
}
if (polygonsList.Count < 2)
{
return(new Dictionary <string, object>
{
{ "PolyCentral", (polygonsList) },
{ "IndexInPatientPoly", (0) }
});
}
List <Polygon2d> newPolyLists = new List <Polygon2d>();
List <double> distanceList = new List <double>();
double minArea = 100, ratio = 0.5, dis = 0;; int dir = 0;
List <int> indices = PolygonUtility.SortPolygonsFromAPoint(polygonsList, centerPt);
Polygon2d polyToPlace = polygonsList[indices[0]];
double area = PolygonUtility.AreaPolygon(polyToPlace);
if (area > minArea)
{
List <double> spans = PolygonUtility.GetSpansXYFromPolygon2d(polyToPlace.Points);
if (spans[0] > spans[1])
{
dir = 1;
dis = spans[0] / 2;
}
else
{
dir = 0;
dis = spans[1] / 2;
}
Random ran = new Random();
//Dictionary<string, object> splittedPoly = BasicSplitPolyIntoTwo(polyToPlace, ratio, dir);
//Dictionary<string, object> splittedPoly = SplitByDistanceFromPoint(polyToPlace, dis, dir);
Dictionary <string, object> splittedPoly = SplitObject.SplitByDistance(polyToPlace, ran, dis, dir);
List <Polygon2d> polyReturnedList = (List <Polygon2d>)splittedPoly["PolyAfterSplit"];
if (!ValidateObject.CheckPolyList(polyReturnedList))
{
return(null);
}
List <int> ind = PolygonUtility.SortPolygonsFromAPoint(polyReturnedList, centerPt);
newPolyLists.Add(polyReturnedList[ind[0]]);
newPolyLists.Add(polyReturnedList[ind[1]]);
}
else
{
newPolyLists.Add(polyToPlace);
}
return(new Dictionary <string, object>
{
{ "PolyCentral", (newPolyLists) },
{ "IndexInPatientPoly", (indices[0]) }
});
}