/// <summary>
/// Does this ray intersect with the provided GeometricElement? Only GeometricElements with Solid Representations are currently supported, and voids will be ignored.
/// </summary>
/// <param name="element">The element to intersect with.</param>
/// <param name="result">The list of intersection results.</param>
/// <returns></returns>
public bool Intersects(GeometricElement element, out List <Vector3> result)
{
if (element.Representation == null || element.Representation.SolidOperations == null || element.Representation.SolidOperations.Count == 0)
{
element.UpdateRepresentations();
}
List <Vector3> resultsOut = new List <Vector3>();
var transformFromElement = new Transform(element.Transform);
transformFromElement.Invert();
var transformToElement = new Transform(element.Transform);
var transformMinusTranslation = new Transform(transformFromElement);
// This transform ignores position so it can be used to transform the ray direction vector
transformMinusTranslation.Move(transformMinusTranslation.Origin.Negate());
var transformedRay = new Ray(transformFromElement.OfPoint(Origin), transformMinusTranslation.OfVector(Direction));
//TODO: extend to handle voids when void solids in Representations are supported generally
var intersects = false;
foreach (var solidOp in element.Representation.SolidOperations.Where(e => !e.IsVoid))
{
if (transformedRay.Intersects(solidOp, out List <Vector3> tempResults))
{
intersects = true;
resultsOut.AddRange(tempResults.Select(t => transformToElement.OfPoint(t)));
}
;
}
result = resultsOut;
return(intersects);
}
public static Elements.Floor[] FloorsFromRevitFloor(ADSK.Document doc, ADSK.Floor revitFloor)
{
var profiles = GetProfilesOfTopFacesOfFloor(doc, revitFloor);
var thickness = revitFloor.LookupParameter("Thickness")?.AsDouble();
var floors = new List <Elements.Floor>();
foreach (var profile in profiles)
{
var zMove = profile.Perimeter.Vertices.Max(v => v.Z);
var transform = new ElemGeom.Transform(0, 0, -zMove);
var zeroedProfile = transform.OfProfile(profile);
transform.Invert();
var floorThickness = thickness.HasValue ? Elements.Units.FeetToMeters(thickness.Value) : Elements.Units.FeetToMeters(1);
// Revit floors are extrusions down, and currently Hypar floors are extrusions up, so we also must move by the floor thickness
transform.Move(new Vector3(0, 0, -floorThickness));
var floor = new Elements.Floor(zeroedProfile,
floorThickness,
transform);
floors.Add(floor);
}
return(floors.ToArray());
}