/// <summary>
/// Create Curves using Isolines of a Surface
/// </summary>
/// <param name="face">Surface</param>
/// <param name="isoDirection">Iso Line Direction</param>
/// <param name="parameters">Parameters to Evaluate</param>
/// <returns>List of IsoCurves</returns>
//public static List<Curve> FollowingIsoLineSurface(Surface face, int isoDirection, List<double> parameters)
//{
// List<Curve> result = new List<Curve>();
//
// foreach (double parameter in parameters)
// result.Add(face.GetIsoline(isoDirection, parameter));
//
// return result;
//}
/// <summary>
/// Cuts a set of Rebars by Plane
/// </summary>
/// <param name="plane">Plane to cut by</param>
/// <param name="rebarContainerElement">Rebar Container</param>
/// <param name="firstPart">Return the first or the last part of the splitted elements</param>
public static void Cut(Surface plane, Revit.Elements.Element rebarContainerElement, bool firstPart)
{
// Get Rebar Container Element
Autodesk.Revit.DB.Structure.RebarContainer rebarContainer = (Autodesk.Revit.DB.Structure.RebarContainer)rebarContainerElement.InternalElement;
// Get the active Document
Autodesk.Revit.DB.Document document = DocumentManager.Instance.CurrentDBDocument;
// Open a new Transaction
TransactionManager.Instance.EnsureInTransaction(document);
// Get all single Rebar elements from the container
List<Autodesk.Revit.DB.Structure.RebarContainerItem> rebars = rebarContainer.ToList();
// Walk through all rebar elements
foreach (Autodesk.Revit.DB.Structure.RebarContainerItem rebar in rebars)
{
// Buffer Rebar properties for recreation
RVT.Structure.RebarBarType barType = (RVT.Structure.RebarBarType)document.GetElement(rebar.BarTypeId);
RVT.Structure.RebarHookType hookTypeStart = (RVT.Structure.RebarHookType)document.GetElement(rebar.GetHookTypeId(0));
RVT.Structure.RebarHookType hookTypeEnd = (RVT.Structure.RebarHookType)document.GetElement(rebar.GetHookTypeId(1));
RVT.Structure.RebarHookOrientation hookOrientationStart = rebar.GetHookOrientation(0);
RVT.Structure.RebarHookOrientation hookOrientationEnd = rebar.GetHookOrientation(1);
// create a list to store the remaining part of the curve after cutting it
List<RVT.Curve> result = new List<RVT.Curve>();
// get the center line curves of the rebar elements
foreach (RVT.Curve curve in rebar.GetCenterlineCurves(false, true, true))
{
// if the curve is a line or an arc consider it being valid
if (curve.GetType() == typeof(RVT.Line) || curve.GetType() == typeof(RVT.Arc))
{
// Get a DesignScript Curve from the Revit curve
Curve geocurve = curve.ToProtoType();
// Intersect the selected plane with the curve
foreach (Geometry geometry in plane.Intersect(geocurve))
{
// if the intersection is a point
if (geometry.GetType() == typeof(Point))
{
// Get the closest point to the intersection on the curve
Point p = geocurve.ClosestPointTo((Point)geometry);
// Split the curve at this point
Curve[] curves = geocurve.ParameterSplit(geocurve.ParameterAtPoint(p));
// If the curve has been split into two parts
if (curves.Length == 2)
{
// return the first or the second part of the splitted curve
if (firstPart)
result.Add(curves[0].ToRevitType());
else
result.Add(curves[1].ToRevitType());
}
}
}
}
}
// If the result has some elements, create a new rebar container from those curves
// using the same properties as the initial one.
if (result.Count > 0)
{
rebar.SetFromCurves(RVT.Structure.RebarStyle.Standard, barType, hookTypeStart, hookTypeEnd, rebar.Normal, result, hookOrientationStart, hookOrientationEnd, true, false);
}
}
// Commit and Dispose the transaction
TransactionManager.Instance.TransactionTaskDone();
}
public static object AwareTributaryArea_ByPoints(Dyn.Surface boundarySrf, List <Dyn.Point> pointsForLoad, bool flipDirection)
{
sDynamoConverter dycon = new sDynamoConverter("Feet", "Meters");
List <Dyn.UV> uvs = new List <Dyn.UV>();
//double fac = 10;
//if (flipDirection) fac *= -1;
//foreach (Dyn.Curve seg in Dyn.PolyCurve.ByJoinedCurves(boundarySrf.PerimeterCurves()).Offset(fac).Explode())
//{
// uvs.Add(boundarySrf.UVParameterAtPoint(seg.PointAtParameter(0.5)));
//}
foreach (Dyn.Point lp in pointsForLoad)
{
uvs.Add(boundarySrf.UVParameterAtPoint(lp));
}
List <Dyn.Surface> vorocut = new List <Dyn.Surface>();
foreach (var vc in Voronoi.ByParametersOnSurface(uvs, boundarySrf))
{
Dyn.Curve vcc = vc as Dyn.Curve;
Dyn.Geometry[] ints = boundarySrf.Intersect(vcc);
if (ints != null && ints.Length > 0)
{
for (int i = 0; i < ints.Length; ++i)
{
if (ints[i] is Dyn.Curve)
{
Dyn.Curve ic = ints[i] as Dyn.Curve;
Dyn.Surface isrf = ic.Extrude(Dyn.Vector.ZAxis().Scale(5));
vorocut.Add(isrf);
}
else
{
object t = ints[i];
}
}
}
}
List <Dyn.Surface> voroPattern = new List <Dyn.Surface>();
List <double> voroArea = new List <double>();
List <Dyn.Point> lpts = new List <Dyn.Point>();
Dyn.PolySurface vorocutPoly = Dyn.PolySurface.ByJoinedSurfaces(vorocut);
Dyn.Geometry[] splited = boundarySrf.Split(vorocutPoly);
for (int i = 0; i < splited.Length; ++i)
{
Dyn.Surface vsrf = splited[i] as Dyn.Surface;
if (vsrf != null)
{
//voroPattern.Add(Dyn.PolyCurve.ByJoinedCurves(vsrf.PerimeterCurves()));
voroPattern.Add(vsrf);
voroArea.Add(vsrf.Area);
foreach (Dyn.Point lp in pointsForLoad)
{
if (lp.DistanceTo(vsrf) < 0.005)
{
lpts.Add(lp);
break;
}
}
}
}
//vorocutPoly.Dispose();
return(new Dictionary <string, object>
{
{ "LoadPoints", lpts },
{ "TributaryAreaSrfs", voroPattern },
{ "TributaryArea", voroArea }
});
}