/// <summary>
/// Find out two References, whose ProximityParameter is negative or positive,
/// And Get the minimal value from all positive reference, and get the maximal value
/// from the negative reference. if there are no such reference, using null instead.
/// </summary>
/// <param name="refs">References</param>
/// <returns>Reference array</returns>
private ReferenceWithContext[] GetClosestSectionsToOrigin(List <ReferenceWithContext> refs)
{
ReferenceWithContext[] mins = new ReferenceWithContext[2];
if (refs.Count == 0)
{
return(mins);
}
if (refs[0].Proximity > 0)
{
mins[1] = refs[0];
return(mins);
}
for (int i = 0; i < refs.Count - 1; i++)
{
if (refs[i].Proximity < 0 && refs[i + 1].Proximity > 0)
{
mins[0] = refs[i];
mins[1] = refs[i + 1];
return(mins);
}
}
mins[0] = refs[refs.Count - 1];
return(mins);
}
/// <summary>
/// 构造断面
/// 两个 ReferenceWithContext 一进一出 正好对应一个 障碍物
/// </summary>
/// <param name="allrefs">与管线碰撞的所有障碍物</param>
/// <param name="dir">管线方向</param>
/// <returns></returns>
public static List <Section> BuildSections(List <ReferenceWithContext> allrefs, XYZ dir)
{
List <ReferenceWithContext> buildStack = new List <ReferenceWithContext>();
List <Section> sections = new List <Section>();
Section current = null;
foreach (ReferenceWithContext geoRef in allrefs)
{
if (buildStack.Count == 0)
{
current = new Section(dir);
sections.Add(current);
}
current.Refs.Add(geoRef);
//这里为什么要用一个栈呢？
//因为之前找和当前管道碰撞的 ReferenceWithContext 的时候，找的是 face
//两个 face 对应一个元素，所以当一个 ReferenceWithContext 进去后再出来，正好对应这一个障碍物
ReferenceWithContext tmp = Find(buildStack, geoRef);
if (tmp != null)
{
buildStack.Remove(tmp);
}
else
{
buildStack.Add(geoRef);
}
}
return(sections);
}
/// <summary>
/// Build sections for References, it's a factory method to build sections.
/// A section contains several points through which the ray passes the obstruction(s).
/// for example, a section may contain 2 points when the obstruction is stand alone,
/// or contain 4 points if 2 obstructions are intersects with each other in the direction of the ray.
/// </summary>
/// <param name="allrefs">References</param>
/// <param name="dir">Pipe's direction</param>
/// <returns>List of Section</returns>
public static List <Section> BuildSections(List <ReferenceWithContext> allrefs, Autodesk.Revit.DB.XYZ dir)
{
List <ReferenceWithContext> buildStack = new List <ReferenceWithContext>();
List <Section> sections = new List <Section>();
Section current = null;
foreach (ReferenceWithContext geoRef in allrefs)
{
if (buildStack.Count == 0)
{
current = new Section(dir);
sections.Add(current);
}
current.Refs.Add(geoRef);
ReferenceWithContext tmp = Find(buildStack, geoRef);
if (tmp != null)
{
buildStack.Remove(tmp);
}
else
{
buildStack.Add(geoRef);
}
}
return(sections);
}
// http://thebuildingcoder.typepad.com/blog/2010/01/findreferencesbydirection.html#comment-4055509541
/// <summary>
/// Return reference to ceiling face to place
/// lighting fixture above a given point.
/// </summary>
Reference GetCeilingReferenceAbove(
View3D view,
XYZ p)
{
ElementClassFilter filter = new ElementClassFilter(
typeof(Ceiling));
ReferenceIntersector refIntersector
= new ReferenceIntersector(filter,
FindReferenceTarget.Face, view);
refIntersector.FindReferencesInRevitLinks = true;
ReferenceWithContext rwc = refIntersector.FindNearest(
p, XYZ.BasisZ);
Reference r = (null == rwc)
? null
: rwc.GetReference();
if (null == r)
{
System.Windows.MessageBox.Show("no intersecting geometry");
}
return(r);
}
public static double Gethsfs(Document doc, Room piece, ElementCategoryFilter filtresol)
{
double hsfs = 0.00;
// on verifie si sol au dessus de piece
try
{
LocationPoint locpiece = piece.Location as LocationPoint;
XYZ ptpiece = locpiece.Point;
ptpiece = new XYZ(ptpiece.X, ptpiece.Y, ptpiece.Z + 0.05);
XYZ vecteurpiece = new XYZ(0, 0, 1);
ReferenceIntersector refi = new ReferenceIntersector(filtresol, FindReferenceTarget.Face, (View3D)doc.ActiveView);
ReferenceWithContext refc = refi.FindNearest(ptpiece, vecteurpiece);
Reference reference = refc.GetReference();
XYZ intpoint = reference.GlobalPoint;
hsfs = ptpiece.DistanceTo(intpoint);
hsfs = UnitUtils.ConvertFromInternalUnits(hsfs, DisplayUnitType.DUT_METERS);
hsfs = Math.Round(hsfs, 2);
//MessageBox.Show(string.Format("hauteur sous dalle : {0}", hsfs));
}
catch (Exception)
{
//MessageBox.Show("pas de sol au dessus de la piece","erreur");
hsfs = 0.00;
}
return(hsfs);
}
private void CreateInstancesAndSetLocations(List <XYZ> locations, Room room)
{
FilteredElementCollector collector = new FilteredElementCollector(Doc);
Func <View3D, bool> isNotTemplate = v3 => !(v3.IsTemplate);
View3D view3D = collector.OfClass(typeof(View3D)).Cast <View3D>().First <View3D>(isNotTemplate);
BoundingBoxXYZ box = room.get_BoundingBox(view3D);
XYZ center = box.Min.Add(box.Max).Multiply(0.5);
// Project in the negative Z direction down to the floor.
XYZ rayDirection = new XYZ(0, 0, 1);
ElementClassFilter filter = new ElementClassFilter(typeof(Floor));
ReferenceIntersector refIntersector = new ReferenceIntersector(filter, FindReferenceTarget.Face, view3D);
ReferenceWithContext referenceWithContext = refIntersector.FindNearest(center, rayDirection);
Reference reference = referenceWithContext.GetReference();
var el = Doc.GetElement(reference);
var ids = string.Empty;
var vector = new XYZ(1, 0, 0);
for (int i = 0; i < locations.Count; i++)
{
var fi = App.ActiveUIDocument.Document.Create.NewFamilyInstance(reference, locations[i], vector, this.symbol);
ids += fi.Id.IntegerValue.ToString() + ";";
}
}
private double CenterToBorder(XYZ targetDirection, FamilyInstance targetFamilyInstance)
{
ReferenceIntersector rayCaster = new ReferenceIntersector(targetFamilyInstance.Id, FindReferenceTarget.Face, doc.ActiveView as View3D);
BoundingBoxXYZ familyBB = targetFamilyInstance.get_BoundingBox(null);
Location familyLocation = targetFamilyInstance.Location;
XYZ objectCenter = Utils.GetPoint.getMidPoint(familyBB.Min, familyBB.Max);
if (familyLocation is LocationPoint)
{
LocationPoint familyPoint = targetFamilyInstance.Location as LocationPoint;
objectCenter = new XYZ(familyPoint.Point.X, familyPoint.Point.Y, objectCenter.Z);
}
else
{
LocationCurve familyCurve = targetFamilyInstance.Location as LocationCurve;
XYZ midPoint = Utils.GetPoint.getMidPoint(familyCurve.Curve.GetEndPoint(1), familyCurve.Curve.GetEndPoint(0));
Line line = (familyCurve.Curve as Line);
if (line == null)
{
return(0);
}
XYZ direct = line.Direction;
XYZ cross = XYZ.BasisZ.CrossProduct(direct);
double offset = targetFamilyInstance.get_Parameter(BuiltInParameter.Y_OFFSET_VALUE).AsDouble();
XYZ offsetFromMidle = cross.Multiply(offset);
objectCenter = midPoint.Add(offsetFromMidle);
}
IList <ReferenceWithContext> hitFaces = rayCaster.Find(objectCenter, targetDirection);
ReferenceWithContext refFace = null;
if (hitFaces != null)
{
if (hitFaces.Count > 0)
{
refFace = hitFaces.LastOrDefault();
}
}
if (refFace != null)
{
//FamilySymbol pSafe = new FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_GenericModel)
// .WhereElementIsElementType().Where(t => t.Name == "DebugPointSafe").FirstOrDefault() as FamilySymbol;
//using (Transaction ta = new Transaction(doc, "hey"))
//{
// ta.Start();
// doc.Create.NewFamilyInstance(refFace.GetReference().GlobalPoint, pSafe, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
// doc.Create.NewFamilyInstance(objectCenter, pSafe, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
// ta.Commit();
//}
return(refFace.GetReference().GlobalPoint.DistanceTo(objectCenter));
}
return(0);
}
public override void Evaluate(FSharpList <FScheme.Value> args, Dictionary <PortData, FScheme.Value> outPuts)
{
var origin = (XYZ)((FScheme.Value.Container)args[0]).Item;
var direction = (XYZ)((FScheme.Value.Container)args[1]).Item;
var rayLimit = ((FScheme.Value.Number)args[2]).Item;
var view = (View3D)((FScheme.Value.Container)args[3]).Item;
XYZ startpt = origin;
int rayCount = 0;
var bouncePts = FSharpList <FScheme.Value> .Empty;
var bounceElements = FSharpList <FScheme.Value> .Empty;
bouncePts = FSharpList <FScheme.Value> .Cons(FScheme.Value.NewContainer(origin), bouncePts);
for (int ctr = 1; ctr <= rayLimit; ctr++)
{
var referenceIntersector = new ReferenceIntersector(view);
IList <ReferenceWithContext> references = referenceIntersector.Find(startpt, direction);
ReferenceWithContext rClosest = null;
rClosest = FindClosestReference(references);
if (rClosest == null)
{
break;
}
else
{
var reference = rClosest.GetReference();
var referenceElement = dynRevitSettings.Doc.Document.GetElement(reference);
bounceElements = FSharpList <FScheme.Value> .Cons(FScheme.Value.NewContainer(referenceElement), bounceElements);
var referenceObject = referenceElement.GetGeometryObjectFromReference(reference);
var endpt = reference.GlobalPoint;
if (startpt.IsAlmostEqualTo(endpt))
{
break;
}
else
{
rayCount = rayCount + 1;
currFace = referenceObject as Face;
var endptUV = reference.UVPoint;
var FaceNormal = currFace.ComputeDerivatives(endptUV).BasisZ; // face normal where ray hits
FaceNormal = rClosest.GetInstanceTransform().OfVector(FaceNormal); // transformation to get it in terms of document coordinates instead of the parent symbol
var directionMirrored = direction - 2 * direction.DotProduct(FaceNormal) * FaceNormal; //http://www.fvastro.org/presentations/ray_tracing.htm
direction = directionMirrored; // get ready to shoot the next ray
startpt = endpt;
bouncePts = FSharpList <FScheme.Value> .Cons(FScheme.Value.NewContainer(endpt), bouncePts);
}
}
}
bouncePts.Reverse();
bounceElements.Reverse();
outPuts[intersections] = FScheme.Value.NewList(bouncePts);
outPuts[elements] = FScheme.Value.NewList(bounceElements);
}
/// <summary>
/// Judge whether a Reference is already in the list of Reference, return the founded value.
/// </summary>
/// <param name="arr">List of Reference</param>
/// <param name="entry">Reference to test</param>
/// <returns>One Reference has the same element's Id with entry</returns>
private static ReferenceWithContext Find(List <ReferenceWithContext> arr, ReferenceWithContext entry)
{
foreach (ReferenceWithContext tmp in arr)
{
if (tmp.GetReference().ElementId == entry.GetReference().ElementId)
{
return(tmp);
}
}
return(null);
}
/// <summary>
/// Judge whether a given Reference is in a Reference list.
/// Give two References, if their Proximity and Element Id is equal,
/// we say the two reference is equal.
/// </summary>
/// <param name="arr">Reference Array</param>
/// <param name="entry">Reference</param>
/// <returns>True of false</returns>
private bool InArray(List <ReferenceWithContext> arr, ReferenceWithContext entry)
{
foreach (ReferenceWithContext tmp in arr)
{
if (Math.Abs(tmp.Proximity - entry.Proximity) < 1e-9 &&
tmp.GetReference().ElementId == entry.GetReference().ElementId)
{
return(true);
}
}
return(false);
}
public static Dictionary <string, object> ByOriginDirection(Point origin, Vector direction, int maxBounces, Elements.Views.View3D view)
{
var startpt = origin.ToXyz();
var rayCount = 0;
var bouncePts = new List <Point> {
origin
};
var bounceElements = new List <Elements.Element>();
for (int ctr = 1; ctr <= maxBounces; ctr++)
{
var referenceIntersector = new ReferenceIntersector((View3D)view.InternalElement);
IList <ReferenceWithContext> references = referenceIntersector.Find(startpt, direction.ToXyz());
ReferenceWithContext rClosest = null;
rClosest = FindClosestReference(references);
if (rClosest == null)
{
break;
}
else
{
var reference = rClosest.GetReference();
var referenceElement = DocumentManager.Instance.CurrentDBDocument.GetElement(reference);
var referenceObject = referenceElement.GetGeometryObjectFromReference(reference);
bounceElements.Add(referenceElement.ToDSType(true));
var endpt = reference.GlobalPoint;
if (startpt.IsAlmostEqualTo(endpt))
{
break;
}
else
{
rayCount = rayCount + 1;
var currFace = referenceObject as Face;
var endptUV = reference.UVPoint;
var FaceNormal = currFace.ComputeDerivatives(endptUV).BasisZ; // face normal where ray hits
FaceNormal = rClosest.GetInstanceTransform().OfVector(FaceNormal); // transformation to get it in terms of document coordinates instead of the parent symbol
var directionMirrored = direction.ToXyz() - 2 * direction.ToXyz().DotProduct(FaceNormal) * FaceNormal; //http://www.fvastro.org/presentations/ray_tracing.htm
direction = directionMirrored.ToVector(); // get ready to shoot the next ray
startpt = endpt;
bouncePts.Add(endpt.ToPoint());
}
}
}
return(new Dictionary <string, object>
{
{ "points", bouncePts },
{ "elements", bounceElements }
});
}
public Result OLET(ElementSymbol elementSymbol)
{
try
{
//Get all pipe connectors
var allConnectors = ch.GetALLConnectors(pif._doc);
//Determine the branch1point of the olet which is the connection to the olet pipe
XYZ bp1 = elementSymbol.Branch1Point.Xyz;
XYZ cp = elementSymbol.CentrePoint.Xyz;
Pipe pipe1 = null;
//Pipe pipe2 = null;
pipe1 = ch.CreateDummyPipe(bp1, elementSymbol.CentrePoint.Xyz, elementSymbol.Branch1Point, elementSymbol);
var c1 = ch.MatchConnector(bp1, pipe1);
////Determine the corresponding pipe connector to bp1
//var c1 = (from Connector c in allConnectors where Util.IsEqual(bp1, c.Origin) select c).FirstOrDefault();
////Get the owner of the connector
//var owner = c1.Owner;
//Find the target pipe
var filter = new ElementClassFilter(typeof(Pipe));
var view3D = ch.Get3DView(pif._doc);
var refIntersect = new ReferenceIntersector(filter, FindReferenceTarget.Element, view3D);
ReferenceWithContext rwc = refIntersect.FindNearest(c1.Origin, c1.CoordinateSystem.BasisZ);
var refId = rwc.GetReference().ElementId;
var pipeToConnectInto = (MEPCurve)pif._doc.GetElement(refId);
if (c1 != null)
{
Element element = PCFImport.doc.Create.NewTakeoffFitting(c1, pipeToConnectInto);
if (pipe1 != null)
{
PCFImport.doc.Delete(pipe1.Id);
}
//if (pipe2 != null) PCFImport.doc.Delete(pipe2.Id);
elementSymbol.CreatedElement = element;
PCFImport.doc.Regenerate();
return(Result.Succeeded);
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
//If this point is reached, something has failed
return(Result.Failed);
}
/// <summary>
/// Used to compare two references, just compare their ProximityParameter.
/// </summary>
/// <param name="a">First Reference to compare</param>
/// <param name="b">Second Reference to compare</param>
/// <returns>-1, 0, or 1</returns>
private int CompareReferencesWithContext(ReferenceWithContext a, ReferenceWithContext b)
{
if (a.Proximity > b.Proximity)
{
return(1);
}
if (a.Proximity < b.Proximity)
{
return(-1);
}
return(0);
}
private XYZ ProjectPoint(Document doc, Reference refFace, XYZ point, XYZ rayDirection)
{
View3D active3D = doc.ActiveView as View3D;
ReferenceIntersector refIntersector = new ReferenceIntersector(refFace.ElementId, FindReferenceTarget.Face, active3D);
ReferenceWithContext referenceWithContext = refIntersector.FindNearest(point, rayDirection);
Reference reference = referenceWithContext.GetReference();
XYZ intersection = reference.GlobalPoint;
return(intersection);
}
internal IList <XYZ> ProjectSupportPointsOnRoof(XYZ currentPointOnRidge)
{
IList <XYZ> supportPoints = GetEavePointsOnSupports(currentPointOnRidge);
//if (supportPoints.Count < 1 || supportPoints.Count > 2)
// throw new Exception("Invalid number of support points for the truss");
IList <XYZ> resultingPoints = new List <XYZ>();
ReferenceIntersector roofIntersector = new ReferenceIntersector(CurrentRoof.Id, FindReferenceTarget.Element, CurrentRoof.Document.ActiveView as View3D);
foreach (XYZ currentSupportPoint in supportPoints)
{
XYZ originPoint = new XYZ(currentSupportPoint.X, currentSupportPoint.Y, GetCurrentRoofHeight() - 1);
ReferenceWithContext roofIntersContext = roofIntersector.FindNearest(originPoint, XYZ.BasisZ);
if (roofIntersContext == null)
{
continue;
}
XYZ currentHitPoint = roofIntersContext.GetReference().GlobalPoint;
resultingPoints.Add(currentHitPoint);
}
if (resultingPoints.Count == 1)
{
if (RoofLineType == RoofLineType.Ridge)
{
if (Support.HasSameSlopes(CurrentRoof))
{
XYZ ridgePointFlaten = new XYZ(currentPointOnRidge.X, currentPointOnRidge.Y, resultingPoints[0].Z);
Line CrossedRidgeLine = Line.CreateBound(resultingPoints[0], ridgePointFlaten);
XYZ crossedDirection = CrossedRidgeLine.Direction;
XYZ mirroredPoint = resultingPoints[0].Add(crossedDirection.Multiply(CrossedRidgeLine.ApproximateLength * 2));
resultingPoints.Add(mirroredPoint);
}
}
}
return(resultingPoints);
}
/// <summary>
/// Find the first intersection with a face
/// </summary>
/// <param name="references"></param>
/// <returns></returns>
private static ReferenceWithContext FindClosestReference(IEnumerable <ReferenceWithContext> references)
{
ReferenceWithContext rClosest = null;
var face_prox = Double.PositiveInfinity;
var edge_prox = Double.PositiveInfinity;
foreach (ReferenceWithContext r in references)
{
var reference = r.GetReference();
var referenceElement = DocumentManager.Instance.CurrentDBDocument.GetElement(reference);
var referenceGeometryObject = referenceElement.GetGeometryObjectFromReference(reference);
Face currFace = null;
currFace = referenceGeometryObject as Autodesk.Revit.DB.Face;
Autodesk.Revit.DB.Edge edge = null;
edge = referenceGeometryObject as Autodesk.Revit.DB.Edge;
if (currFace != null)
{
if ((r.Proximity < face_prox) && (r.Proximity > Double.Epsilon))
{
rClosest = r;
face_prox = Math.Abs(r.Proximity);
}
}
else if (edge != null)
{
if ((r.Proximity < edge_prox) && (r.Proximity > Double.Epsilon))
{
edge_prox = Math.Abs(r.Proximity);
}
}
}
if (edge_prox <= face_prox)
{
// stop bouncing if there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line
//m_outputInfo.Add("there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line");
rClosest = null;
}
return(rClosest);
}
/// <summary>
/// 通过查找到的ReferenceWithContext 获取对象
/// </summary>
/// <param name="referenceWithContext"></param>
/// <param name="currDoc">当前稳点 Document</param>
/// <returns></returns>
public static Element GetElementByReferenceWithContext(this ReferenceWithContext referenceWithContext, Document currDoc)
{
if (referenceWithContext == null)
{
return(null);
}
Reference reference = referenceWithContext.GetReference();
Element element = null;
if (reference.ElementId != ElementId.InvalidElementId)
{//LinkedElement的ElementId是RevitLinkInstance
element = currDoc.GetElement(reference.ElementId);
}
if (reference.LinkedElementId != ElementId.InvalidElementId)
{
element = LinkedElementUtils.GetLinkedDocumnet(currDoc, reference).GetElement(reference.LinkedElementId);
}
return(element);
}
/// <summary>
/// Find Elements Intersect By Ray
/// </summary>
/// <param name="element"></param>
/// <param name="categories"></param>
/// <param name="direction"></param>
/// <returns></returns>
public static Autodesk.Revit.DB.XYZ RayIntersect(this Autodesk.Revit.DB.Element element, List <string> categories, XYZ direction)
{
// Find a 3D view to use for the ReferenceIntersector constructor
FilteredElementCollector collector = new FilteredElementCollector(element.Document);
Func <View3D, bool> isNotTemplate = v3 => !(v3.IsTemplate);
View3D view3D = collector.OfClass(typeof(View3D)).Cast <View3D>().First <View3D>(isNotTemplate);
// Use the center of the skylight bounding box as the start point.
BoundingBoxXYZ box = element.get_BoundingBox(view3D);
XYZ center = box.Min.Add(box.Max).Multiply(0.5);
// Project in the negative Z direction down to the ceiling.
ElementFilter elementFilter = element.Document.FiltersElementByCategory(categories);
ReferenceIntersector refIntersector = new ReferenceIntersector(elementFilter, FindReferenceTarget.Face, view3D);
refIntersector.FindReferencesInRevitLinks = true;
ReferenceWithContext referenceWithContext = refIntersector.FindNearest(center, direction);
Reference reference = referenceWithContext?.GetReference();
return(reference?.GlobalPoint);
}
public void RoomCeilingHeight()
{
Document doc = this.ActiveUIDocument.Document;
UIDocument uidoc = new UIDocument(doc);
// RevitCommandId commandId = RevitCommandId.LookupPostableCommandId(PostableCommand.Default3DView);
// if (this.CanPostCommand(commandId))
// this.PostCommand(commandId);
// Prompt user to select a room
Room room = doc.GetElement(uidoc.Selection.PickObject(ObjectType.Element)) as Room;
LocationPoint roomPoint = room.Location as LocationPoint;
//GeometryElement roomGeoElem = room.get_Geometry(new Options());
//XYZ roomCent = roomGeoElem.Select(geo => geo as Solid).FirstOrDefault(sld => null != sld).ComputeCentroid();
var view = new FilteredElementCollector(doc)
.OfClass(typeof(View3D)).OfType <View3D>()
.FirstOrDefault((View3D v) => v.Name.Contains("{3d"));
var bic = BuiltInCategory.OST_Floors;
ReferenceIntersector intersector = new ReferenceIntersector(
new ElementCategoryFilter(bic),
FindReferenceTarget.Element, view);
// XYZ.BasisZ shoots the ray "up"
ReferenceWithContext rwC = intersector.FindNearest(roomPoint.Point, XYZ.BasisZ * -1);
// Report the data to the user. This information could also be used to set a "Ceiling Height" instance parameter
if (rwC == null)
{
TaskDialog.Show(string.Format("{0}", view.Name), "no Floors found");
}
else
{
var rwD = "View used to Project the Ray " + doc.GetElement(intersector.ViewId).Name;
var rwPro = "Height is " + UnitUtils.ConvertFromInternalUnits(rwC.Proximity, DisplayUnitType.DUT_MILLIMETERS).ToString() + " mm";
var rwEle = bic.ToString() + " id: " + rwC.GetReference().ElementId.ToString();
TaskDialog.Show("Element ID", rwEle + "\n" + rwPro + "\n" + rwD);
}
}
/// <summary>
/// Find the first intersection with a face
/// </summary>
/// <param name="references"></param>
/// <returns></returns>
public Autodesk.Revit.DB.ReferenceWithContext FindClosestReference(IList <ReferenceWithContext> references)
{
ReferenceWithContext rClosest = null;
double face_prox = System.Double.PositiveInfinity;
double edge_prox = System.Double.PositiveInfinity;
foreach (ReferenceWithContext r in references)
{
Reference reference = r.GetReference();
Element referenceElement = dynRevitSettings.Doc.Document.GetElement(reference);
GeometryObject referenceGeometryObject = referenceElement.GetGeometryObjectFromReference(reference);
currFace = null;
currFace = referenceGeometryObject as Face;
Edge edge = null;
edge = referenceGeometryObject as Edge;
if (currFace != null)
{
if ((r.Proximity < face_prox) && (r.Proximity > System.Double.Epsilon))
{
rClosest = r;
face_prox = Math.Abs(r.Proximity);
}
}
else if (edge != null)
{
if ((r.Proximity < edge_prox) && (r.Proximity > System.Double.Epsilon))
{
edge_prox = Math.Abs(r.Proximity);
}
}
}
if (edge_prox <= face_prox)
{
// stop bouncing if there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line
//m_outputInfo.Add("there is an edge at least as close as the nearest face - there is no single angle of reflection for a ray striking a line");
rClosest = null;
}
return(rClosest);
}
// finding building elevation
public double FindBuildingElevation(ProcessPolygon polygon)
{
List <XYZ> heights = new List <XYZ>();
ReferenceIntersector refIntersector = new ReferenceIntersector(this.TopographyID, FindReferenceTarget.Mesh, this.RayTracerView);
int counter = 0;
double h = 0;
foreach (XYZ item in polygon.ProcessedPolygon)
{
ReferenceWithContext referenceWithContext = refIntersector.FindNearest(item, XYZ.BasisZ);
if (referenceWithContext != null)
{
counter++;
h += referenceWithContext.Proximity;
}
else
{
return(-1);
}
}
return(h / counter);
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
try
{
// pick object
Reference pickedObj = uidoc.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.Element);
if (pickedObj != null)
{
//Retrieve Element
ElementId eleId = pickedObj.ElementId;
Element ele = doc.GetElement(eleId);
//Project Ray
LocationPoint locp = ele.Location as LocationPoint;
XYZ p1 = locp.Point;
// Ray
XYZ rayd = new XYZ(0, 0, 1);
ElementCategoryFilter filter = new ElementCategoryFilter(BuiltInCategory.OST_Roofs);
ReferenceIntersector refi = new ReferenceIntersector(filter, FindReferenceTarget.Face, (View3D)doc.ActiveView);
ReferenceWithContext refc = refi.FindNearest(p1, rayd);
Reference reference = refc.GetReference();
XYZ intpoing = reference.GlobalPoint;
Double dist = p1.DistanceTo(intpoing);
TaskDialog.Show("Ray", string.Format("Distance to roof {0}", dist));
}
return(Result.Succeeded);
}
catch (Exception e)
{
message = e.Message;
return(Result.Failed);
}
}
//this method checks to see if a rectangular region has valid projection on the ground.
private bool CanSubregionBeValid(BoundingBoxUV boundingBox)
{
List <XYZ> corners = new List <XYZ>();
XYZ Min = new XYZ(boundingBox.Min.U, boundingBox.Min.V, 0);
XYZ Max = new XYZ(boundingBox.Max.U, boundingBox.Max.V, 0);
XYZ p0 = new XYZ(boundingBox.Min.U, boundingBox.Max.V, 0);
XYZ p1 = new XYZ(boundingBox.Max.U, boundingBox.Min.V, 0);
corners.Add(Min);
corners.Add(Max);
corners.Add(p0);
corners.Add(p1);
ReferenceIntersector refIntersector = new ReferenceIntersector(this.TopographySurfaceId, FindReferenceTarget.Mesh, this.RayTracerView);
foreach (XYZ item in corners)
{
ReferenceWithContext referenceWithContext = refIntersector.FindNearest(item, XYZ.BasisZ);
if (referenceWithContext == null)
{
return(false);
}
}
return(true);
}
internal XYZ GetTrussTopPoint(XYZ currentPointOnRidge)
{
if (RoofLineType == RoofLineType.Ridge)
{
return(currentPointOnRidge);
}
//If the is not a Ridge this MUST be a SinglePanelRidge
if (RoofLineType == RoofLineType.RidgeSinglePanel)
{
return(currentPointOnRidge);
}
Line currentRidgeLine = Curve.Clone() as Line;
if (currentRidgeLine == null)
{
throw new Exception("The ridge is not a straight line!");
}
ModelCurveArrArray sketchModels = CurrentRoof.GetProfiles();
double minDist = double.MaxValue;
ModelCurve targetEave = null;
XYZ projectedPoint = null;
double currentRoofTotalHeight = GetCurrentRoofHeight();
foreach (ModelCurveArray currentCurveArr in sketchModels)
{
foreach (ModelCurve currentCurve in currentCurveArr)
{
Curve targetGeoCurve = currentCurve.GeometryCurve;
Line targetGeoLine = targetGeoCurve as Line;
if (targetGeoLine == null)
{
throw new Exception("Eave is not a straight line");
}
targetGeoLine = targetGeoLine.Flatten(currentRoofTotalHeight);
double currentDist = targetGeoLine.Project(currentPointOnRidge).Distance;
if (currentDist < minDist)
{
minDist = currentDist;
targetEave = currentCurve;
projectedPoint = targetGeoLine.Project(currentPointOnRidge).XYZPoint;
}
}
}
double overHang = 0;
try { overHang = CurrentRoof.get_Overhang(targetEave); }
catch { }
XYZ ridgePointFlatten = new XYZ(currentPointOnRidge.X, currentPointOnRidge.Y, currentRoofTotalHeight);
//We just need to get the side that the eave is to move the point to that direction
//so we dont need to get a specific eave, lets just project the first one with infinite bounds to get the direction
if (RelatedRidgeEaves == null || RelatedRidgeEaves.Count == 0)
{
RelatedRidgeEaves = GetRelatedEaves();
}
if (RelatedRidgeEaves == null || RelatedRidgeEaves.Count == 0)
{
throw new Exception("Related eave or eaves to current singleRidge was not found");
}
Curve eaveCurve = RelatedRidgeEaves[0].AsCurve();
if (eaveCurve as Line == null)
{
throw new Exception("Related eave is not a straight line!");
}
Line eaveLine = eaveCurve as Line;
XYZ lineIntersectionPoint = GeometrySupport.GetRoofIntersectionFlattenLines(currentRidgeLine, ridgePointFlatten, eaveLine, currentRoofTotalHeight);
if (lineIntersectionPoint == null)
{
throw new Exception("No Intersection between eave could be estabilished!");
}
XYZ overHangdirection = Line.CreateBound(projectedPoint, lineIntersectionPoint).Direction.Normalize();
XYZ pointOnOverhang = projectedPoint.Add(overHangdirection.Multiply(overHang));
//We will get the point on the overhang because if we are working with a single panel ridge it may have overhangs
XYZ pointOnSupport = GetSupportPoint(pointOnOverhang, currentRidgeLine.Direction.Normalize());
//Now we will shoot the point up on the Roof
XYZ startingPoint = new XYZ(pointOnSupport.X, pointOnSupport.Y, pointOnSupport.Z - 1);
ReferenceIntersector currentRefIntersect = new ReferenceIntersector(CurrentRoof.Id, FindReferenceTarget.Element, CurrentRoof.Document.ActiveView as View3D);
ReferenceWithContext currenRefContext = currentRefIntersect.FindNearest(startingPoint, XYZ.BasisZ);
if (currenRefContext == null)
{
return(null);
}
XYZ projectedPointOnRoof = currenRefContext.GetReference().GlobalPoint;
return(projectedPointOnRoof);
}
public Result Execute(
ExternalCommandData commandData,
ref string message,
ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = uiapp.ActiveUIDocument;
Application app = uiapp.Application;
Document doc = uidoc.Document;
// Select two walls and the dimension line point:
Selection sel = uidoc.Selection;
ReferenceArray refs = new ReferenceArray();
try
{
ISelectionFilter f
= new JtElementsOfClassSelectionFilter <Wall>();
refs.Append(sel.PickObject(
ObjectType.Element, f,
"Please select first wall"));
refs.Append(sel.PickObject(
ObjectType.Element, f,
"Please pick dimension line "
+ "point on second wall"));
//rFace = sel.PickObject( ObjectType.Face,
// "Please select face on second wall at dimension line point" );
//
//rPoint = sel.PickObject( ObjectType.PointOnElement,
// "Please select point on first wall" );
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException)
{
message = "No two walls selected";
return(Result.Failed);
}
// Ensure the two selected walls are straight and
// parallel; determine their mutual normal vector
// and a point on each wall for distance
// calculations:
Wall[] walls = new Wall[2];
List <int> ids = new List <int>(2);
XYZ[] pts = new XYZ[2];
Line[] lines = new Line[2];
IntersectionResult ir;
XYZ normal = null;
int i = 0;
foreach (Reference r in refs)
{
// 'Autodesk.Revit.DB.Reference.Element' is
// obsolete: Property will be removed. Use
// Document.GetElement(Reference) instead.
//Wall wall = r.Element as Wall; // 2011
Wall wall = doc.GetElement(r) as Wall; // 2012
walls[i] = wall;
ids.Add(wall.Id.IntegerValue);
// Obtain location curve and
// check that it is straight:
LocationCurve lc = wall.Location
as LocationCurve;
Curve curve = lc.Curve;
lines[i] = curve as Line;
if (null == lines[i])
{
message = _prompt;
return(Result.Failed);
}
// Obtain normal vectors
// and ensure that they are equal,
// i.e. walls are parallel:
if (null == normal)
{
normal = Util.Normal(lines[i]);
}
else
{
if (!Util.IsParallel(normal,
Util.Normal(lines[i])))
{
message = _prompt;
return(Result.Failed);
}
}
// Obtain pick points and project
// onto wall location lines:
XYZ p = r.GlobalPoint;
ir = lines[i].Project(p);
if (null == ir)
{
message = string.Format(
"Unable to project pick point {0} "
+ "onto wall location line.",
i);
return(Result.Failed);
}
pts[i] = ir.XYZPoint;
Debug.Print(
"Wall {0} id {1} at {2}, {3} --> point {4}",
i, wall.Id.IntegerValue,
Util.PointString(lines[i].GetEndPoint(0)),
Util.PointString(lines[i].GetEndPoint(1)),
Util.PointString(pts[i]));
if (0 < i)
{
// Project dimension point selected on second wall
// back onto first wall, and ensure that normal
// points from second wall to first:
ir = lines[0].Project(pts[1]);
if (null == ir)
{
message = string.Format(
"Unable to project selected dimension "
+ "line point {0} on second wall onto "
+ "first wall's location line.",
Util.PointString(pts[1]));
return(Result.Failed);
}
pts[0] = ir.XYZPoint;
}
++i;
}
XYZ v = pts[0] - pts[1];
if (0 > v.DotProduct(normal))
{
normal = -normal;
}
// Shoot a ray back from the second
// picked wall towards first:
Debug.Print(
"Shooting ray from {0} in direction {1}",
Util.PointString(pts[1]),
Util.PointString(normal));
View3D view = Get3DView(doc);
if (null == view)
{
message = "No 3D view named '{3D}' found; "
+ "run the View > 3D View command once "
+ "to generate it.";
return(Result.Failed);
}
//refs = doc.FindReferencesByDirection(
// pts[1], normal, view ); // 2011
//IList<ReferenceWithContext> refs2
// = doc.FindReferencesWithContextByDirection(
// pts[1], normal, view ); // 2012
// In the Revit 2014 API, the call to
// FindReferencesWithContextByDirection causes a
// warning saying:
// "FindReferencesWithContextByDirection is obsolete:
// This method is deprecated in Revit 2014.
// Use the ReferenceIntersector class instead."
ReferenceIntersector ri
= new ReferenceIntersector(
walls[0].Id, FindReferenceTarget.Element, view);
ReferenceWithContext ref2
= ri.FindNearest(pts[1], normal);
if (null == ref2)
{
message = "ReferenceIntersector.FindNearest"
+ " returned null!";
return(Result.Failed);
}
#region Obsolete code to determine the closest reference
#if NEED_TO_DETERMINE_CLOSEST_REFERENCE
// Store the references to the wall surfaces:
Reference[] surfrefs = new Reference[2] {
null, null
};
// Find the two closest intersection
// points on each of the two walls:
double[] minDistance = new double[2] {
double.MaxValue,
double.MaxValue
};
//foreach( Reference r in refs )
foreach (ReferenceWithContext rc in refs2)
{
// 'Autodesk.Revit.DB.Reference.Element' is
// obsolete: Property will be removed. Use
// Document.GetElement(Reference) instead.
//Element e = r.Element; // 2011
Reference r = rc.GetReference();
Element e = doc.GetElement(r); // 2012
if (e is Wall)
{
i = ids.IndexOf(e.Id.IntegerValue);
if (-1 < i &&
ElementReferenceType.REFERENCE_TYPE_SURFACE
== r.ElementReferenceType)
{
//GeometryObject g = r.GeometryObject; // 2011
GeometryObject g = e.GetGeometryObjectFromReference(r); // 2012
if (g is PlanarFace)
{
PlanarFace face = g as PlanarFace;
Line line = (e.Location as LocationCurve)
.Curve as Line;
Debug.Print(
"Wall {0} at {1}, {2} surface {3} "
+ "normal {4} proximity {5}",
e.Id.IntegerValue,
Util.PointString(line.GetEndPoint(0)),
Util.PointString(line.GetEndPoint(1)),
Util.PointString(face.Origin),
Util.PointString(face.Normal),
rc.Proximity);
// First reference: assert it is a face on this wall
// and the distance is half the wall thickness.
// Second reference: the first reference on the other
// wall; assert the distance between the two references
// equals the distance between the wall location lines
// minus half of the sum of the two wall thicknesses.
if (rc.Proximity < minDistance[i])
{
surfrefs[i] = r;
minDistance[i] = rc.Proximity;
}
}
}
}
}
if (null == surfrefs[0])
{
message = "No suitable face intersection "
+ "points found on first wall.";
return(Result.Failed);
}
if (null == surfrefs[1])
{
message = "No suitable face intersection "
+ "points found on second wall.";
return(Result.Failed);
}
CmdDimensionWallsIterateFaces
.CreateDimensionElement(doc.ActiveView,
pts[0], surfrefs[0], pts[1], surfrefs[1]);
#endif // NEED_TO_DETERMINE_CLOSEST_REFERENCE
#endregion // Obsolete code to determine the closest reference
CmdDimensionWallsIterateFaces
.CreateDimensionElement(doc.ActiveView,
pts[0], ref2.GetReference(), pts[1], refs.get_Item(1));
return(Result.Succeeded);
}
/// <summary>
/// Judge whether a Reference is already in the list of Reference, return the founded value.
/// </summary>
/// <param name="arr">List of Reference</param>
/// <param name="entry">Reference to test</param>
/// <returns>One Reference has the same element's Id with entry</returns>
private static ReferenceWithContext Find(List<ReferenceWithContext> arr, ReferenceWithContext entry)
{
foreach (ReferenceWithContext tmp in arr)
{
if (tmp.GetReference().ElementId == entry.GetReference().ElementId)
{
return tmp;
}
}
return null;
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIApplication uiapp = commandData.Application;
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
Selection sel = uidoc.Selection;
//选择一个点
Reference refPoint = sel.PickObject(ObjectType.PointOnElement);
XYZ point1 = refPoint.GlobalPoint; //The position on which the reference is hit.???
//射线方向及工作平面法向量
XYZ rayDirection = XYZ.BasisZ;
XYZ skVector = XYZ.BasisX; //???????????
//当选择的主体为平面时,射线根据选择的点与此面的法线方向进行放射
if (refPoint.ElementReferenceType == ElementReferenceType.REFERENCE_TYPE_SURFACE)
{
PlanarFace pFace = null;
//主体是链接的图元时,获取平面的方法
if (refPoint.LinkedElementId.IntegerValue != -1)
{
RevitLinkInstance linkIIns = doc.GetElement(refPoint) as RevitLinkInstance;
Document linkDoc = linkIIns.GetLinkDocument();
Element linkElem = linkDoc.GetElement(refPoint.LinkedElementId);
Options opt = new Options();
opt.DetailLevel = ViewDetailLevel.Fine;
GeometryElement geoElem = linkElem.get_Geometry(opt);
pFace = getTarFace(geoElem, point1); //point1是原始点.
}
else
{
//判断是否FamilyInstance类型的族,采用不同的获取方法
Element elem = doc.GetElement(refPoint);
if (elem is FamilyInstance)
{
Options opt = new Options();
opt.DetailLevel = ViewDetailLevel.Fine;
GeometryElement ge = elem.get_Geometry(opt);
pFace = getTarFace(ge, point1);
}
else
{
pFace = elem.GetGeometryObjectFromReference(refPoint) as PlanarFace;
}
}
//修正射线方向及工作平面法向量
if (pFace != null)
{
rayDirection = pFace.FaceNormal;
skVector = pFace.XVector;
}
}
//获得视图
View3D view3D = doc.ActiveView as View3D;
//创建射线测量出第二点
ExclusionFilter filter =
new ExclusionFilter(new List <ElementId>()
{
refPoint.ElementId, refPoint.LinkedElementId
});
ReferenceIntersector refIntersector = new ReferenceIntersector(filter, FindReferenceTarget.All, view3D);
refIntersector.FindReferencesInRevitLinks = true;
ReferenceWithContext rwc = refIntersector.FindNearest(point1, rayDirection);
if (rwc != null)
{
XYZ point2 = rwc.GetReference().GlobalPoint;
//创建模型线
Line line = Line.CreateBound(point1, point2);
TaskDialog.Show("距离", line.Length.FeetToMm().ToString("0.00"));
using (Transaction ts = new Transaction(doc, "尺寸"))
{
ts.Start();
SketchPlane sk = SketchPlane.Create(doc, Plane.CreateByNormalAndOrigin(skVector, point1));
ModelCurve modelCurve = doc.Create.NewModelCurve(line, sk);
sel.SetElementIds(new List <ElementId>()
{
modelCurve.Id
});
ts.Commit();
}
}
else
{
TaskDialog.Show("返回结果", "未检测到图元");
}
return(Result.Succeeded);
}
/// <summary>
/// Find out two References, whose ProximityParameter is negative or positive,
/// And Get the minimal value from all positive reference, and get the maximal value
/// from the negative reference. if there are no such reference, using null instead.
/// </summary>
/// <param name="refs">References</param>
/// <returns>Reference array</returns>
private ReferenceWithContext[] GetClosestSectionsToOrigin(List<ReferenceWithContext> refs)
{
ReferenceWithContext[] mins = new ReferenceWithContext[2];
if (refs.Count == 0)
{
return mins;
}
if (refs[0].Proximity > 0)
{
mins[1] = refs[0];
return mins;
}
for (int i = 0; i < refs.Count - 1; i++)
{
if (refs[i].Proximity < 0 && refs[i + 1].Proximity > 0)
{
mins[0] = refs[i];
mins[1] = refs[i + 1];
return mins;
}
}
mins[0] = refs[refs.Count - 1];
return mins;
}
static internal EdgeInfo GetCurveInformation(Element targetRoof, Curve targetCurve, IList <PlanarFace> targetPlanarFaceList)
{
if (targetPlanarFaceList != null && targetRoof != null && (targetRoof as FootPrintRoof) != null)
{
FootPrintRoof currentRoof = targetRoof as FootPrintRoof;
foreach (PlanarFace currentPlanarFace in targetPlanarFaceList)
{
EdgeArrayArray EdgeLoops = currentPlanarFace.EdgeLoops;
foreach (EdgeArray currentEdgeArray in EdgeLoops)
{
foreach (Edge currentEdge in currentEdgeArray)
{
if (currentEdge != null)
{
IList <Edge> currentEdges = new List <Edge>();
currentEdges.Add(currentEdge);
EdgeInfo currentEdgeInfo = new EdgeInfo();
Curve edgeCurve = currentEdge.AsCurve();
if (edgeCurve.IsAlmostEqualTo(targetCurve))
{
if (edgeCurve.GetEndPoint(0).Z.IsAlmostEqualTo(currentPlanarFace.Origin.Z) && edgeCurve.GetEndPoint(1).Z.IsAlmostEqualTo(currentPlanarFace.Origin.Z))
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Eave, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else if (edgeCurve.GetEndPoint(0).Z.IsAlmostEqualTo(currentPlanarFace.Origin.Z) || edgeCurve.GetEndPoint(1).Z.IsAlmostEqualTo(currentPlanarFace.Origin.Z))
{
PlanarFace firstFace = currentEdge.GetFace(0) as PlanarFace;
PlanarFace secondFace = currentEdge.GetFace(1) as PlanarFace;
if (!targetPlanarFaceList.Contains(firstFace) || !targetPlanarFaceList.Contains(secondFace))
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Gable, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else
{
if (GetOuterCurveLoop(firstFace).Count() == 3 || GetOuterCurveLoop(secondFace).Count() == 3)
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Hip, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else
{
XYZ startingPoint = targetCurve.GetEndPoint(0).Z < targetCurve.GetEndPoint(1).Z ? targetCurve.GetEndPoint(0) : targetCurve.GetEndPoint(1);
XYZ extendedPoint = GetExtendedPoint(startingPoint, firstFace);
XYZ rayTracePoint = new XYZ(extendedPoint.X, extendedPoint.Y, extendedPoint.Z + 999);
ReferenceIntersector ReferenceIntersect = new ReferenceIntersector(targetRoof.Id, FindReferenceTarget.Element, (targetRoof.Document.ActiveView as View3D));
ReferenceWithContext RefContext = ReferenceIntersect.FindNearest(rayTracePoint, XYZ.BasisZ.Negate());
if (RefContext == null)
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Hip, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Valley, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
}
}
else
{
if (edgeCurve.GetEndPoint(0).Z.IsAlmostEqualTo(edgeCurve.GetEndPoint(1).Z))
{
if (targetPlanarFaceList.Contains(currentEdge.GetFace(0)) && targetPlanarFaceList.Contains(currentEdge.GetFace(1)))
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Ridge, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else
{
PlanarFace firstFace = currentEdge.GetFace(0) as PlanarFace;
PlanarFace secondFace = currentEdge.GetFace(1) as PlanarFace;
XYZ startingPoint = edgeCurve.Evaluate(0.5, true);
XYZ crossedDirection = Line.CreateBound(edgeCurve.GetEndPoint(0), edgeCurve.GetEndPoint(1)).Direction.CrossProduct(XYZ.BasisZ);
XYZ crossedPointStart = startingPoint.Add(crossedDirection.Multiply(0.02));
XYZ crossedPointEnd = startingPoint.Add(crossedDirection.Multiply(0.1));
XYZ rayTracePointStart = new XYZ(crossedPointStart.X, crossedPointStart.Y, crossedPointStart.Z + 999);
XYZ rayTracePointEnd = new XYZ(crossedPointEnd.X, crossedPointEnd.Y, crossedPointEnd.Z + 999);
ReferenceIntersector ReferenceIntersect = new ReferenceIntersector(targetRoof.Id, FindReferenceTarget.Element, (targetRoof.Document.ActiveView as View3D));
ReferenceWithContext refStart = ReferenceIntersect.FindNearest(rayTracePointStart, XYZ.BasisZ.Negate());
ReferenceWithContext refEnd = ReferenceIntersect.FindNearest(rayTracePointEnd, XYZ.BasisZ.Negate());
bool isEave = true;
if (refEnd != null)
{
if (refStart != null)
{
//Document doc = currentRoof.Document;
//double refPointHeight = refEnd.GetReference().GlobalPoint.Z;
//double starPHeight = refStart.GetReference().GlobalPoint.Z;
//FamilySymbol fs = new FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_GenericModel).WhereElementIsElementType().Where(type => type.Name.Contains("DebugPoint2")).FirstOrDefault() as FamilySymbol;
//doc.Create.NewFamilyInstance(refEnd.GetReference().GlobalPoint, fs, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
//doc.Create.NewFamilyInstance(refStart.GetReference().GlobalPoint, fs, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
if (refEnd.GetReference().GlobalPoint.Z < refStart.GetReference().GlobalPoint.Z)
{
isEave = false;
}
}
}
else
{
crossedPointStart = startingPoint.Add(crossedDirection.Multiply(-0.02));
crossedPointEnd = startingPoint.Add(crossedDirection.Multiply(-0.1));
rayTracePointStart = new XYZ(crossedPointStart.X, crossedPointStart.Y, crossedPointStart.Z + 999);
rayTracePointEnd = new XYZ(crossedPointEnd.X, crossedPointEnd.Y, crossedPointEnd.Z + 999);
refStart = ReferenceIntersect.FindNearest(rayTracePointStart, XYZ.BasisZ.Negate());
refEnd = ReferenceIntersect.FindNearest(rayTracePointEnd, XYZ.BasisZ.Negate());
if (refEnd != null)
{
if (refStart != null)
{
//Document doc = currentRoof.Document;
//double refPointHeight = refEnd.GetReference().GlobalPoint.Z;
//double starPHeight = refStart.GetReference().GlobalPoint.Z;
//FamilySymbol fs = new FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_GenericModel).WhereElementIsElementType().Where(type => type.Name.Contains("DebugPoint2")).FirstOrDefault() as FamilySymbol;
//doc.Create.NewFamilyInstance(refEnd.GetReference().GlobalPoint, fs, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
//doc.Create.NewFamilyInstance(refStart.GetReference().GlobalPoint, fs, Autodesk.Revit.DB.Structure.StructuralType.NonStructural);
if (refEnd.GetReference().GlobalPoint.Z < refStart.GetReference().GlobalPoint.Z)
{
isEave = false;
}
}
}
}
if (isEave)
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Eave, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.RidgeSinglePanel, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
}
}
else
{
if (targetPlanarFaceList.Contains(currentEdge.GetFace(0)) && targetPlanarFaceList.Contains(currentEdge.GetFace(1)))
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Hip, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
else
{
currentEdgeInfo = new EdgeInfo {
Edges = currentEdges, Curve = edgeCurve, RoofLineType = RoofLineType.Gable, CurrentRoof = currentRoof
};
currentEdgeInfo.RelatedPanelFaces = GetEdgeRelatedPanels(currentEdge, targetPlanarFaceList);
return(currentEdgeInfo);
}
}
}
}
}
}
}
}
}
return(new EdgeInfo {
Edges = new List <Edge>(), Curve = targetCurve, RoofLineType = RoofLineType.Undefined, CurrentRoof = null
});
}
private Result SlopeSelectedBuildingPad(UIDocument targetUIdoc, ref string message, double maxPointDistInFeet, double targetAngleInRadians)
{
Document doc = targetUIdoc.Document;
Selection sel = targetUIdoc.Selection;
View3D current3dView = doc.ActiveView as View3D;
if (current3dView == null)
{
message = Properties.Messages.SlopeGradingFromPads_Not3DView;
return(Result.Failed);
}
BuildingPad selectedBuildingPad = doc.GetElement(sel.PickObject(ObjectType.Element, new PadSelectionFilter(), Properties.Messages.SlopeGradingFromPads_SelectPad)) as BuildingPad;
//Check if the Pad is associate with a Surface (never seen one doesnt, but anyways)
ElementId topoElementID = selectedBuildingPad.HostId;
if (topoElementID.Equals(ElementId.InvalidElementId))
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;
return(Result.Failed);
}
TopographySurface currentTopo = doc.GetElement(topoElementID) as TopographySurface;
if (currentTopo == null)
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;;
return(Result.Failed);
}
IList <CurveLoop> PadBoundaryLoops = new List <CurveLoop>();
CurveLoop outerLoop = null;
IList <Reference> TopFacesReferences = HostObjectUtils.GetTopFaces(selectedBuildingPad);
if (TopFacesReferences.Count > 1)
{
message = Properties.Messages.SlopeGradingFromPads_PadsWithMoreThanOneUpperFace;
return(Result.Failed);
}
XYZ plannarDirection = XYZ.BasisZ;
XYZ plannarOrigin = XYZ.Zero;
// interate on the only face
foreach (Reference currentFaceRef in TopFacesReferences)
{
GeometryObject currentFaceObj = selectedBuildingPad.GetGeometryObjectFromReference(currentFaceRef);
if (currentFaceObj is PlanarFace)
{
PlanarFace currentPlanarFace = currentFaceObj as PlanarFace;
plannarDirection = currentPlanarFace.FaceNormal;
plannarOrigin = currentPlanarFace.Origin;
PadBoundaryLoops = currentPlanarFace.GetEdgesAsCurveLoops();
}
else
{
message = Properties.Messages.SlopeGradingFromPads_UpperFaceNotPlanar;
return(Result.Failed);
}
}
//Sort the curves so the outer loop comes first
IList <IList <CurveLoop> > curveLoopLoop = ExporterIFCUtils.SortCurveLoops(PadBoundaryLoops);
if (curveLoopLoop.Count > 0)
{
IList <CurveLoop> firstList = curveLoopLoop.First();
if (firstList.Count > 0)
{
outerLoop = firstList.First();
}
}
if (outerLoop == null)
{
message = Properties.Messages.SlopeGradingFromPads_OuterLoopIssue;
return(Result.Failed);
}
//This will be the list of elements that the ReferenceIntersector will shoot the rays
//If we try to shoot the rays only in the toposurface and the it has subregions, the reference
//intersection will not recognize these regions, so its necessary to shoot rays to the surface and its subregions
IList <ElementId> currentSubRegionsAndSurface = currentTopo.GetHostedSubRegionIds();
currentSubRegionsAndSurface.Add(topoElementID);
//Search for the max distance from the Pad to the topography
//Doesnt matter if it is upwards or downwards, but we will check that, since the ray has to go to one direction
//This is to estabilish what the distance will be using to create the slope to the right amount
ReferenceIntersector topoRefIntersec = new ReferenceIntersector(currentSubRegionsAndSurface, FindReferenceTarget.Mesh, current3dView);
double maxDist = double.NegativeInfinity;
foreach (Curve currentCurve in outerLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointToEvaluate = currentCurve.Evaluate(currentParameter, true);
ReferenceWithContext currentRefContext = topoRefIntersec.FindNearest(currentPointToEvaluate, XYZ.BasisZ);
if (currentRefContext == null)
{
currentRefContext = topoRefIntersec.FindNearest(currentPointToEvaluate, XYZ.BasisZ.Negate());
}
if (currentRefContext == null)
{
continue;
}
double currentDist = currentRefContext.Proximity;
if (currentDist > maxDist)
{
maxDist = currentDist;
}
}
}
// if we haven't changed the maxdist yet, something went wrong
if (maxDist == double.NegativeInfinity)
{
message = Properties.Messages.SlopeGradingFromPads_NoTopoAssociate;
return(Result.Failed);
}
//Estabilish the offset from the pad
double offsetDist = maxDist / Math.Tan(targetAngleInRadians);
using (TopographyEditScope topoEditGroup = new TopographyEditScope(doc, Properties.Messages.SlopeGradingFromPads_Transaction))
{
topoEditGroup.Start(topoElementID);
using (Transaction t = new Transaction(doc, Properties.Messages.SlopeGradingFromPads_Transaction))
{
t.Start();
CurveLoop offsetLoop = null;
try
{
offsetLoop = CurveLoop.CreateViaOffset(outerLoop, offsetDist, plannarDirection);
}
catch
{
message += Properties.Messages.SlopeGradingFromPads_OuterOffsetLoopIssue;
return(Result.Failed);
}
#region DebugCurve Loop
//Plane p = new Plane(plannarDirection, plannarOrigin);
//SketchPlane sktP = SketchPlane.Create(doc, p);
//foreach (Curve currentOffsetCurve in offsetLoop)
//{
// doc.Create.NewModelCurve(currentOffsetCurve, sktP);
//}
#endregion
foreach (Curve currentOffsetCurve in offsetLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentOffsetCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointOffset = currentOffsetCurve.Evaluate(currentParameter, true);
ReferenceWithContext currentRefContext = topoRefIntersec.FindNearest(currentPointOffset, XYZ.BasisZ);
if (currentRefContext == null)
{
currentRefContext = topoRefIntersec.FindNearest(currentPointOffset, XYZ.BasisZ.Negate());
}
//if we couldn't find points upwards and downwards, the topo is near the border, so we cant add points
if (currentRefContext == null)
{
continue;
}
Reference currentReference = currentRefContext.GetReference();
XYZ currentPointToAdd = currentReference.GlobalPoint;
if (currentTopo.ContainsPoint(currentPointToAdd))
{
continue;
}
IList <XYZ> ListPointToAdd = new List <XYZ>();
ListPointToAdd.Add(currentPointToAdd);
currentTopo.AddPoints(ListPointToAdd);
}
}
foreach (Curve currentCurve in outerLoop)
{
int numberOfInteractions = 0;
double increaseAmount = 0;
double currentParameter = 0;
EstabilishInteractionPoints(currentCurve, maxPointDistInFeet, out numberOfInteractions, out increaseAmount);
for (int i = 0; i < numberOfInteractions; i++)
{
if (i == 0)
{
currentParameter = 0;
}
else
{
currentParameter += increaseAmount;
}
XYZ currentPointToAdd = currentCurve.Evaluate(currentParameter, true);
if (currentTopo.ContainsPoint(currentPointToAdd))
{
continue;
}
IList <XYZ> ListPointToAdd = new List <XYZ>();
ListPointToAdd.Add(currentPointToAdd);
currentTopo.AddPoints(ListPointToAdd);
}
}
t.Commit();
}
topoEditGroup.Commit(new TopographyFailurePreprocessor());
return(Result.Succeeded);
}
}
/// <summary>
/// Judge whether a given Reference is in a Reference list.
/// Give two References, if their Proximity and Element Id is equal,
/// we say the two reference is equal.
/// </summary>
/// <param name="arr">Reference Array</param>
/// <param name="entry">Reference</param>
/// <returns>True of false</returns>
private bool InArray(List<ReferenceWithContext> arr, ReferenceWithContext entry)
{
foreach (ReferenceWithContext tmp in arr)
{
if (Math.Abs(tmp.Proximity - entry.Proximity) < 1e-9 &&
tmp.GetReference().ElementId == entry.GetReference().ElementId)
{
return true;
}
}
return false;
}
/// <summary>
/// Return the neighbouring BIM element generating
/// the given room boundary curve c, assuming it
/// is oriented counter-clockwise around the room
/// if part of an interior loop, and vice versa.
/// </summary>
public Element GetElementByRay(
UIApplication app,
Document doc,
View3D view3d,
Curve c)
{
Element boundaryElement = null;
// Tolerances
const double minTolerance = 0.00000001;
const double maxTolerance = 0.01;
// Height of ray above room level:
// ray starts from one foot above room level
const double elevation = 1;
// Ray starts not directly from the room border
// but from a point offset slightly into it.
const double stepInRoom = 0.1;
// We could use Line.Direction if Curve c is a
// Line, but since c also might be an Arc, we
// calculate direction like this:
XYZ lineDirection
= (c.GetEndPoint(1) - c.GetEndPoint(0))
.Normalize();
XYZ upDir = elevation * XYZ.BasisZ;
// Assume that the room is on the left side of
// the room boundary curve and wall on the right.
// This is valid for both outer and inner room
// boundaries (outer are counter-clockwise, inner
// are clockwise). Start point is slightly inside
// the room, one foot above room level.
XYZ toRoomVec = stepInRoom * GetLeftDirection(
lineDirection);
XYZ pointBottomInRoom = c.Evaluate(0.5, true)
+ toRoomVec;
XYZ startPoint = pointBottomInRoom + upDir;
// We are searching for walls only
ElementFilter wallFilter
= new ElementCategoryFilter(
BuiltInCategory.OST_Walls);
ReferenceIntersector intersector
= new ReferenceIntersector(wallFilter,
FindReferenceTarget.Element, view3d);
// We don't want to find elements in linked files
intersector.FindReferencesInRevitLinks = false;
XYZ toWallDir = GetRightDirection(
lineDirection);
ReferenceWithContext context = intersector
.FindNearest(startPoint, toWallDir);
Reference closestReference = null;
if (context != null)
{
if ((context.Proximity > minTolerance) &&
(context.Proximity < maxTolerance
+ stepInRoom))
{
closestReference = context.GetReference();
if (closestReference != null)
{
boundaryElement = doc.GetElement(
closestReference);
}
}
}
return(boundaryElement);
}
/// <summary>
/// Return a reference to the topmost face of the given element.
/// </summary>
private Reference FindTopMostReference(Element e)
{
Reference ret = null;
Document doc = e.Document;
#region Revit 2012
#if _2012
using (SubTransaction t = new SubTransaction(doc))
{
t.Start();
// Create temporary 3D view
//View3D view3D = doc.Create.NewView3D( // 2012
// viewDirection ); // 2012
ViewFamilyType vft
= new FilteredElementCollector(doc)
.OfClass(typeof(ViewFamilyType))
.Cast <ViewFamilyType>()
.FirstOrDefault <ViewFamilyType>(x =>
ViewFamily.ThreeDimensional == x.ViewFamily);
Debug.Assert(null != vft,
"expected to find a valid 3D view family type");
View3D view = View3D.CreateIsometric(doc, vft.Id); // 2013
XYZ eyePosition = XYZ.BasisZ;
XYZ upDirection = XYZ.BasisY;
XYZ forwardDirection = -XYZ.BasisZ;
view.SetOrientation(new ViewOrientation3D(
eyePosition, upDirection, forwardDirection));
XYZ viewDirection = -XYZ.BasisZ;
BoundingBoxXYZ bb = e.get_BoundingBox(view);
XYZ max = bb.Max;
XYZ minAtMaxElevation = Create.NewXYZ(
bb.Min.X, bb.Min.Y, max.Z);
XYZ centerOfTopOfBox = 0.5
* (minAtMaxElevation + max);
centerOfTopOfBox += 10 * XYZ.BasisZ;
// Cast a ray through the model
// to find the topmost surface
#if DEBUG
//ReferenceArray references
// = doc.FindReferencesByDirection(
// centerOfTopOfBox, viewDirection, view3D ); // 2011
IList <ReferenceWithContext> references
= doc.FindReferencesWithContextByDirection(
centerOfTopOfBox, viewDirection, view); // 2012
double closest = double.PositiveInfinity;
//foreach( Reference r in references )
//{
// // 'Autodesk.Revit.DB.Reference.Element' is
// // obsolete: Property will be removed. Use
// // Document.GetElement(Reference) instead.
// //Element re = r.Element; // 2011
// Element re = doc.GetElement( r ); // 2012
// if( re.Id.IntegerValue == e.Id.IntegerValue
// && r.ProximityParameter < closest )
// {
// ret = r;
// closest = r.ProximityParameter;
// }
//}
foreach (ReferenceWithContext r in references)
{
Element re = doc.GetElement(
r.GetReference()); // 2012
if (re.Id.IntegerValue == e.Id.IntegerValue &&
r.Proximity < closest)
{
ret = r.GetReference();
closest = r.Proximity;
}
}
string stable_reference = null == ret ? null
: ret.ConvertToStableRepresentation(doc);
#endif // DEBUG
ReferenceIntersector ri
= new ReferenceIntersector(
e.Id, FindReferenceTarget.Element, view);
ReferenceWithContext r2 = ri.FindNearest(
centerOfTopOfBox, viewDirection);
if (null == r2)
{
Debug.Print("ReferenceIntersector.FindNearest returned null!");
}
else
{
ret = r2.GetReference();
Debug.Assert(stable_reference.Equals(ret
.ConvertToStableRepresentation(doc)),
"expected same reference from "
+ "FindReferencesWithContextByDirection and "
+ "ReferenceIntersector");
}
t.RollBack();
}
#endif // _2012
#endregion // Revit 2012
Options opt = doc.Application.Create
.NewGeometryOptions();
opt.ComputeReferences = true;
GeometryElement geo = e.get_Geometry(opt);
foreach (GeometryObject obj in geo)
{
GeometryInstance inst = obj as GeometryInstance;
if (null != inst)
{
geo = inst.GetSymbolGeometry();
break;
}
}
Solid solid = geo.OfType <Solid>()
.First <Solid>(sol => null != sol);
double z = double.MinValue;
foreach (Face f in solid.Faces)
{
BoundingBoxUV b = f.GetBoundingBox();
UV p = b.Min;
UV q = b.Max;
UV midparam = p + 0.5 * (q - p);
XYZ midpoint = f.Evaluate(midparam);
XYZ normal = f.ComputeNormal(midparam);
if (Util.PointsUpwards(normal))
{
if (midpoint.Z > z)
{
z = midpoint.Z;
ret = f.Reference;
}
}
}
return(ret);
}
/// <summary>
/// Used to compare two references, just compare their ProximityParameter.
/// </summary>
/// <param name="a">First Reference to compare</param>
/// <param name="b">Second Reference to compare</param>
/// <returns>-1, 0, or 1</returns>
private int CompareReferencesWithContext(ReferenceWithContext a, ReferenceWithContext b)
{
if (a.Proximity > b.Proximity)
{
return 1;
}
if (a.Proximity < b.Proximity)
{
return -1;
}
return 0;
}
