/// <summary>
/// Subdivides an incoming Floor according to x- and y-axis distances and grid rotation.
/// </summary>
/// <param name="model">The input model.</param>
/// <param name="input">The arguments to the execution.</param>
/// <returns>A SubdivideSlabOutputs instance containing computed results and the model with any new elements.</returns>
public static SubdivideSlabOutputs Execute(Dictionary <string, Model> inputModels, SubdivideSlabInputs input)
{
var allFloors = new List <Floor>();
inputModels.TryGetValue("Floors", out var flrModel);
if (flrModel == null || flrModel.AllElementsOfType <Floor>().Count() == 0)
{
throw new ArgumentException("No Floors found.");
}
allFloors.AddRange(flrModel.AllElementsOfType <Floor>());
List <SlabSubdivision> subdivisions = new List <SlabSubdivision>();
for (int i = 0; i < allFloors.Count; i++)
{
Floor floor = allFloors[i];
var floorId = StringExtensions.NumberToString(i);
var profile = floor.Profile;
var perimeter = profile.Perimeter;
var voids = profile.Voids;
var openings = floor.Openings.Select(o => o.Profile);
var elevation = floor.Elevation;
var boundaries = new List <Polygon>();
boundaries.Add(perimeter);
if (voids != null)
{
boundaries.AddRange(voids);
}
if (openings != null)
{
boundaries.AddRange(openings.Select(o => o.Perimeter));
}
Transform transform = null;
if (input.AlignToLongestEdge)
{
var longestEdge = perimeter.Segments().OrderByDescending(p => p.Length()).First();
var xAxis = (longestEdge.End - longestEdge.Start).Unitized();
if (perimeter.IsClockWise())
{
xAxis = xAxis * -1;
}
transform = new Transform(Vector3.Origin, xAxis, Vector3.ZAxis, 0);
// if (perimeter.IsClockWise())
// {
// transform.Invert();
// }
}
var grid = new Grid2d(boundaries, transform);
if (input.SubdivideAtVoidCorners && voids != null && voids.Count > 0)
{
foreach (var voidCrv in voids)
{
grid.SplitAtPoints(voidCrv.Vertices);
}
foreach (var cell in grid.CellsFlat)
{
cell.U.DivideByApproximateLength(input.Length, EvenDivisionMode.RoundUp);
cell.V.DivideByApproximateLength(input.Width, EvenDivisionMode.RoundUp);
}
}
else
{
grid.U.DivideByApproximateLength(input.Length, EvenDivisionMode.RoundUp);
grid.V.DivideByApproximateLength(input.Width, EvenDivisionMode.RoundUp);
}
var cells = grid.GetCells();
for (int i1 = 0; i1 < cells.Count; i1++)
{
var id = $"{floorId}-{i1:000}";
Grid2d cell = cells[i1];
var cellCrvs = cell.GetTrimmedCellGeometry();
var isTrimmed = cell.IsTrimmed();
if (cellCrvs != null && cellCrvs.Length > 0)
{
subdivisions.Add(CreateSlabSubdivision(id, cellCrvs, floor, isTrimmed));
}
}
}
var output = new SubdivideSlabOutputs(subdivisions.Count);
output.Model.AddElements(subdivisions);
foreach (var subdiv in subdivisions)
{
var thicknessXform = new Transform(0, 0, subdiv.Depth);
var profile = subdiv.Transform.OfProfile(subdiv.Profile);
profile = thicknessXform.OfProfile(profile);
output.Model.AddElement(new ModelCurve(profile.Perimeter));
if (profile.Voids != null && profile.Voids.Count > 0)
{
output.Model.AddElements(profile.Voids.Select(v => new ModelCurve(v)));
}
}
return(output);
}