private List <LoadModel> createLoadModels(Element element, LoadType loadType)
{
List <LoadModel> _squareLoadModels = new List <LoadModel>();
//maximum parking ramp slope = 6.67%
//https://www.rochestermn.gov/home/showdocument?id=18472#:~:text=Parking%20ramp%20slopes%20should%20not,International%20Building%20Code%20(IBC).
List <Solid> _solids = GeometryHelpers.GetGeometryObjects(element, ViewDetailLevel.Fine).OfType <Solid>().ToList();
List <PlanarFace> _topFaces = _solids.SelectMany(p => p.Faces.OfType <PlanarFace>()).Where(p =>
p.FaceNormal.Z > 0.0 &&
(p.FaceNormal.Z / Math.Sqrt(Math.Pow(p.FaceNormal.X, 2.0) + Math.Pow(p.FaceNormal.Y, 2.0))) > 0.0667).ToList();
//Populate FloorProfileModel for our FloorModel
Plane _levelPlane = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, new XYZ(0, 0, Level.Elevation));
PlanarFace _topFace = _topFaces.OrderBy(p => p.Origin.DistanceTo(_levelPlane.ProjectOnto(p.Origin))).FirstOrDefault();
if (_topFace == null)
{
return(_squareLoadModels);
}
foreach (EdgeArray _edgeArray in _topFace.EdgeLoops.OfType <EdgeArray>())
{
List <Curve> _curves = _edgeArray.OfType <Edge>().Select(p => p.AsCurve()).ToList();
//Project curves onto a flat plane with Normal = XYZ.BasizZ
List <Curve> _projectedCurves = new List <Curve>();
foreach (Curve _curve in _curves)
{
XYZ _projectedEnd0 = _levelPlane.ProjectOnto(_curve.GetEndPoint(0));
XYZ _projectedEnd1 = _levelPlane.ProjectOnto(_curve.GetEndPoint(1));
if (_projectedEnd0.DistanceTo(_projectedEnd1) <= 1E-09)
{
continue;
}
if (_curve is Line _line)
{
Line _projectedLine = Line.CreateBound(_projectedEnd0, _projectedEnd1);
_projectedCurves.Add(_projectedLine);
}
else if (_curve is Arc _arc)
{
XYZ _projectedPointOnArc = _levelPlane.ProjectOnto(_arc.Evaluate(0.5, true));
Arc _projectedArc = Arc.Create(_projectedEnd0, _projectedEnd1, _projectedPointOnArc);
_projectedCurves.Add(_projectedArc);
}
}
bool _sorted = SortCurvesContiguous(_projectedCurves);
LoadModel _loadModel = LoadModel.Create();
_loadModel.LoadType = loadType;
_loadModel.PlanarFace = _topFace;
_loadModel.Curves = _projectedCurves;
_loadModel.Element = element;
_squareLoadModels.Add(_loadModel);
}
return(_squareLoadModels);
}
