/// <summary>
/// 拿到一条线到一个楼板上的投影，此处针对的是某一个楼板
/// </summary>
/// <param name="line"></param>
/// <param name="floor"></param>
/// <returns></returns>
public Curve FindFloorcurve(Curve line, Floor floor)
{
var floorgeom = floor.get_Geometry(GetgeometryOptions());
var geomobj = floorgeom.First <GeometryObject>();
Solid floorobj = geomobj as Solid;
double facearea = 0;
PlanarFace pf = null;
PlanarFace pf_target = null;
foreach (Face face in floorobj.Faces)
{
pf = face as PlanarFace;
if (pf.Area > facearea && pf.FaceNormal.Z >= 0)
{
//拿到楼板上面的一个面
facearea = pf.Area;
pf_target = pf;
}
}
TaskDialog.Show("ss", pf_target.Area.ToString());
XYZ point_start = pf_target.Project(line.GetEndPoint(0)).XYZPoint;
XYZ point_end = pf_target.Project(line.GetEndPoint(1)).XYZPoint;
Curve curve = Line.CreateBound(point_start, point_end);
return(curve);
}
/// <summary>
/// 拿到一条线投影到一个面上面
/// </summary>
/// <param name="line"></param>
/// <param name="face_refer"></param>
/// <returns></returns>
public Curve FindFacecurve(Curve line, PlanarFace face)
{
XYZ point_start = face.Project(line.GetEndPoint(0)).XYZPoint;
XYZ point_end = face.Project(line.GetEndPoint(1)).XYZPoint;
Curve curve = Line.CreateBound(point_start, point_end);
return(curve);
}
/// <summary>
/// Compute the distance between two planar faces.
/// </summary>
/// <param name="face1">Face 1</param>
/// <param name="face2">Face 2</param>
/// <returns>Distance of the two planar faces</returns>
private static double GetDistance(PlanarFace face1, PlanarFace face2)
{
BoundingBoxUV boxUV = face2.GetBoundingBox();
UV center = (boxUV.Max + boxUV.Min) * 0.5;
XYZ centerPt = face2.Evaluate(center);
IntersectionResult result = face1.Project(centerPt);
return(face1.Project(centerPt).Distance);
}
/// <summary>
/// 获得与UV点相交的面
/// </summary>
/// <param name="geometryElement"></param>
/// <param name="point"></param>
/// <returns></returns>
PlanarFace getTarFace(GeometryElement geometryElement, XYZ point)
{
PlanarFace face = null;
//遍历几何元素里的几何object
foreach (GeometryObject geometryObject in geometryElement)
{
//将 geometryObject强转为 solid
Solid solid = geometryObject as Solid;
//遍历solid的面
if (solid != null && solid.Faces.Size > 0)
{
foreach (Face f in solid.Faces)
{
PlanarFace pFace = f as PlanarFace;
if (pFace != null)
{
try
{
//获取点到面的距离为0的点
if (Math.Abs(pFace.Project(point).Distance) < 1e-4)
{
face = pFace;
break;
}
}
catch
{
continue;
}
}
}
}
if (face != null)
{
break;
}
}
//
if (face == null)
{
foreach (GeometryObject geometryObject in geometryElement)
{
GeometryInstance geoIns = geometryObject as GeometryInstance;
if (geoIns != null)
{
face = getTarFace(geoIns.GetInstanceGeometry(), point);
}
}
}
return(face);
}
/// <summary>
///获得与UV点相交的面
/// </summary>
/// <param name="geometryElement"></param>
/// <param name="point"></param>
/// <returns></returns>
PlanarFace getTarFace(GeometryElement geometryElement, XYZ point)
{
PlanarFace face = null;
foreach (GeometryObject geometryObject in geometryElement)
{
Solid solid = geometryObject as Solid;
if (solid != null && solid.Faces.Size > 0)
{
foreach (Face f in solid.Faces)
{
PlanarFace pFace = f as PlanarFace;
if (pFace != null)
{
try
{
if (Math.Abs(Math.Round(pFace.Project(point).Distance, 2)) < 1e-6)//
{
face = pFace;
break;
}
}
catch
{
continue;
}
}
}
}
if (face != null)
{
break;
}
}
if (face == null)
{
foreach (GeometryObject geometryObject in geometryElement)
{
GeometryInstance geomIns = geometryObject as GeometryInstance;
if (geomIns != null)
{
face = getTarFace(geomIns.GetInstanceGeometry(), point);
}
}
}
return(face);
}
static internal XYZ AdjustTopPointToRoofAngle(XYZ targetTopPoint, IList <XYZ> supportPoints, EdgeInfo currentRidgeInfo)
{
if (currentRidgeInfo.RelatedPanelFaces == null || currentRidgeInfo.RelatedPanelFaces.Count < 1)
{
currentRidgeInfo.RelatedPanelFaces = currentRidgeInfo.GetRelatedPanels();
}
if (currentRidgeInfo.RelatedPanelFaces == null || currentRidgeInfo.RelatedPanelFaces.Count < 1)
{
return(targetTopPoint);
}
PlanarFace relatedFace = currentRidgeInfo.RelatedPanelFaces[0] as PlanarFace;
if (relatedFace == null)
{
return(targetTopPoint);
}
Line ridgeLine = currentRidgeInfo.Curve as Line;
if (ridgeLine == null)
{
return(targetTopPoint);
}
XYZ ridgeDirection = ridgeLine.Direction;
XYZ ridgeDirectionCrossed = ridgeDirection.CrossProduct(XYZ.BasisZ);
XYZ projectedPoint = targetTopPoint.Add(ridgeDirectionCrossed.Multiply(0.1));
IntersectionResult iResult = relatedFace.Project(projectedPoint);
if (iResult == null)
{
projectedPoint = targetTopPoint.Add(ridgeDirectionCrossed.Negate().Multiply(0.1));
iResult = relatedFace.Project(projectedPoint);
if (iResult == null)
{
return(targetTopPoint);
}
}
//Just to make sure that the targetTopPoint is located on Ridge
IntersectionResult ridgeProjected = ridgeLine.Project(targetTopPoint);
if (ridgeProjected != null)
{
targetTopPoint = ridgeProjected.XYZPoint;
}
XYZ roofSlopeLineDirection = Line.CreateBound(iResult.XYZPoint, targetTopPoint).Direction;
if (supportPoints == null || supportPoints.Count < 1)
{
return(targetTopPoint);
}
//This code assumes that there are 1 or 2 supportPoints
XYZ supportPoint = supportPoints[0];
if (supportPoints.Count == 2)
{
XYZ supportPoints1 = supportPoints[1];
if (supportPoints1.DistanceTo(projectedPoint) < supportPoint.DistanceTo(projectedPoint))
{
supportPoint = supportPoints1;
}
}
Line roofSlopeLine = Line.CreateUnbound(supportPoint, roofSlopeLineDirection);
Line roofRidgeLine = Line.CreateUnbound(targetTopPoint, XYZ.BasisZ);
IntersectionResultArray iResultArrCurves = null;
roofSlopeLine.Intersect(roofRidgeLine, out iResultArrCurves);
if (iResultArrCurves != null && iResultArrCurves.Size == 1)
{
return(iResultArrCurves.get_Item(0).XYZPoint);
}
return(targetTopPoint);
}
/// <summary>
/// Compute the distance between two planar faces.
/// </summary>
/// <param name="face1">Face 1</param>
/// <param name="face2">Face 2</param>
/// <returns>Distance of the two planar faces</returns>
private static double GetDistance(PlanarFace face1, PlanarFace face2)
{
BoundingBoxUV boxUV = face2.GetBoundingBox();
UV center = (boxUV.Max + boxUV.Min) * 0.5;
XYZ centerPt = face2.Evaluate(center);
IntersectionResult result = face1.Project(centerPt);
return face1.Project(centerPt).Distance;
}
