internal IList <XYZ> GetEavePointsOnOverhang(XYZ currentPointOnRidge)
{
IList <XYZ> ProjectedPoints = new List <XYZ>();
//XYZ currentPointOnRidge = Curve.Evaluate(Curve.GetEndParameter(0) + distanceAlongRidge, false);
foreach (XYZ currentPointOnEave in ProjectRidgePointOnEaves(currentPointOnRidge))
{
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(currentPointOnEave).Distance;
if (currentDist < minDist)
{
minDist = currentDist;
targetEave = currentCurve;
projectedPoint = targetGeoLine.Project(currentPointOnEave).XYZPoint;
}
}
}
double overHang = 0;
try { overHang = CurrentRoof.get_Overhang(targetEave); }
catch { }
currentPointOnRidge = new XYZ(currentPointOnRidge.X, currentPointOnRidge.Y, currentRoofTotalHeight);
Line l = Line.CreateBound(projectedPoint, currentPointOnRidge);
ProjectedPoints.Add(currentPointOnEave.Add(l.Direction.Multiply(overHang)));
}
return(ProjectedPoints);
}
internal double GetCurrentRoofHeight()
{
ElementId LevelId = CurrentRoof.LevelId;
if (LevelId == null || LevelId == ElementId.InvalidElementId)
{
throw new Exception("Roof level not found!");
}
Level currentRoofLevel = CurrentRoof.Document.GetElement(LevelId) as Level;
Parameter currentRoofBaseOffsetParameter = CurrentRoof.get_Parameter(BuiltInParameter.ROOF_BASE_LEVEL_PARAM);
if (currentRoofBaseOffsetParameter == null)
{
throw new Exception("Roof level offset not found!");
}
double currentRoofBaseOffset = currentRoofBaseOffsetParameter.AsDouble();
double currentRoofTotalHeight = currentRoofLevel.ProjectElevation + currentRoofBaseOffset;
return(currentRoofTotalHeight);
}
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);
}