/// <summary>
/// The EnvelopeBySite function.
/// </summary>
/// <param name="model">The input model.</param>
/// <param name="input">The arguments to the execution.</param>
/// <returns>A EnvelopeBySiteOutputs instance containing computed results and the model with any new elements.</returns>
public static EnvelopeBySiteOutputs Execute(Dictionary <string, Model> inputModels, EnvelopeBySiteInputs input)
{
// Retrieve site information from incoming models.
var sites = new List <Site>();
inputModels.TryGetValue("Site", out var model);
if (model == null)
{
throw new ArgumentException("No Site found.");
}
sites.AddRange(model.AllElementsOfType <Site>());
sites = sites.OrderByDescending(e => e.Perimeter.Area()).ToList();
var output = new EnvelopeBySiteOutputs(input.BuildingHeight, input.FoundationDepth);
foreach (var site in sites)
{
var perims = site.Perimeter.Offset(input.SiteSetback * -1);
if (perims.Count() == 0)
{
continue;
}
perims = perims.OrderByDescending(p => p.Area()).ToArray();
var perimeter = perims.First();
if (perimeter.Area() < input.MinimumTierArea)
{
continue;
}
// Create the foundation Envelope.
var extrude = new Elements.Geometry.Solids.Extrude(perimeter, input.FoundationDepth, Vector3.ZAxis, false);
var geomRep = new Representation(new List <Elements.Geometry.Solids.SolidOperation>()
{
extrude
});
var fndMatl = new Material("foundation", Palette.Gray, 0.0f, 0.0f);
var envMatl = new Material("envelope", Palette.Aqua, 0.0f, 0.0f);
var envelopes = new List <Envelope>()
{
new Envelope(perimeter, input.FoundationDepth * -1, input.FoundationDepth, Vector3.ZAxis,
0.0, new Transform(0.0, 0.0, input.FoundationDepth * -1), fndMatl, geomRep, false, Guid.NewGuid(), "")
};
// Create the Envelope at the location's zero plane.
var tiers = Math.Floor(input.BuildingHeight / input.SetbackInterval);
var tierHeight = tiers > 0 ? input.BuildingHeight / tiers : input.BuildingHeight;
extrude = new Elements.Geometry.Solids.Extrude(perimeter, tierHeight, Vector3.ZAxis, false);
geomRep = new Representation(new List <Elements.Geometry.Solids.SolidOperation>()
{
extrude
});
envelopes.Add(new Envelope(perimeter, 0.0, tierHeight, Vector3.ZAxis, 0.0,
new Transform(), envMatl, geomRep, false, Guid.NewGuid(), ""));
// Create the remaining Envelope Elements.
var offsFactor = -1;
var elevFactor = 1;
for (int i = 0; i < tiers; i++)
{
var tryPer = perimeter.Offset(input.SetbackDepth * offsFactor);
if (tryPer.Count() == 0 || tryPer.First().Area() < input.MinimumTierArea)
{
break;
}
tryPer = tryPer.OrderByDescending(p => p.Area()).ToArray();
extrude = new Elements.Geometry.Solids.Extrude(tryPer.First(), tierHeight, Vector3.ZAxis, false);
geomRep = new Representation(new List <Elements.Geometry.Solids.SolidOperation>()
{
extrude
});
envelopes.Add(new Envelope(tryPer.First(), tierHeight * elevFactor, tierHeight, Vector3.ZAxis, 0.0,
new Transform(0.0, 0.0, tierHeight * elevFactor), envMatl, geomRep, false, Guid.NewGuid(), ""));
offsFactor--;
elevFactor++;
}
envelopes = envelopes.OrderBy(e => e.Elevation).ToList();
foreach (var item in envelopes)
{
output.Model.AddElement(item);
}
}
return(output);
}