public ActionResult AJAXGetRavePins()
{
FacetCollection<Rave> facets = new FacetCollection<Rave>();
facets.Add(new FutureRavesFacet());
facets.Add(new DisplayableRavesFacet());
return Json(GetRavePins(facets), JsonRequestBehavior.AllowGet);
}
private IList<RavePin> GetRavePins(FacetCollection<Rave> facets)
{
IList<RavePin> results = new List<RavePin>();
using (RaveRadarContext _db = new RaveRadarContext())
{
IQueryable<Rave> filteredRaves = _db.Raves.AsQueryable();
if (facets != null)
{
filteredRaves = facets.Filter(filteredRaves);
}
results = (from r in filteredRaves
join v in _db.Venues on r.VenueID equals v.VenueID
orderby r.StartTime
select new RavePin
{
ID = r.ID,
PicURL = r.PicURL ?? string.Empty,
Location = r.Location,
Latitude = v.Latitude,
Longitude = v.Longitude,
}).ToList();
}
return results;
}
private List<int> SelectPolys(double inputAngle, FacetCollection facetCollection, List<int> allSelectedPolygons, List<int> neighSelectedPolygons, Array normalArray)
{
List<int> tempArray = new List<int>();
//for each selected polys get neighbor polygons
for (int i = 0; i < neighSelectedPolygons.Count; i++)
{
PolygonFace pFace = (PolygonFace)facetCollection[neighSelectedPolygons[i]];
PolygonFaceCollection neighborPolys = (PolygonFaceCollection)pFace.NeighborPolygons();
if (neighborPolys.Count == 0) continue;
SIVector3 firstNormal, secondNormal;
firstNormal = GetMath().CreateVector3((double)normalArray.GetValue(0, pFace.Index),
(double)normalArray.GetValue(1, pFace.Index),
(double)normalArray.GetValue(2, pFace.Index));
foreach (PolygonFace neiPoly in neighborPolys)
{
if (allSelectedPolygons.Contains(neiPoly.Index)) continue;
secondNormal = GetMath().CreateVector3((double)normalArray.GetValue(0, neiPoly.Index),
(double)normalArray.GetValue(1, neiPoly.Index),
(double)normalArray.GetValue(2, neiPoly.Index));
double angle = Math.Abs(firstNormal.Angle(secondNormal));
if (angle < inputAngle)
{
if (!tempArray.Contains(neiPoly.Index)) tempArray.Add(neiPoly.Index);
}
}
}
if (tempArray.Count > 0)
{
allSelectedPolygons.AddRange(tempArray);
tempArray.AddRange(SelectPolys(inputAngle, facetCollection, allSelectedPolygons, tempArray, normalArray));
}
return tempArray;
}
