/// <summary>
/// 开启同步操作：在Revit UI 界面中选择封闭的模型曲线链
/// </summary>
/// <returns></returns>
public CurveArrArray SendSelect(out List <List <ModelCurve> > modelCurvess)
{
CurveArrArray profiles = new CurveArrArray(); // 每一次创建开挖土体时，在NewExtrusion方法中，要创建的实体的轮廓
modelCurvess = new List <List <ModelCurve> >();
//
bool blnStop = false;
do
{
blnStop = true;
List <ModelCurve> modelCurves;
CurveLoop cvLoop = GetLoopedCurve(out modelCurves);
// 检验并添加
if (cvLoop != null && cvLoop.Any())
{
CurveArray cvArr = new CurveArray();
foreach (Curve c in cvLoop)
{
cvArr.Append(c);
}
//
profiles.Append(cvArr);
modelCurvess.Add(modelCurves);
// 是否要继续添加
if (this._multipleClosed)
{
DialogResult res = MessageBox.Show("曲线添加成功，是否还要继续添加？", "提示", MessageBoxButtons.YesNo,
MessageBoxIcon.Question);
if (res == DialogResult.Yes)
{
blnStop = false;
}
}
}
} while (!blnStop);
return(profiles);
}
public PointLocation IsPointInside(XYZ point)
{
// Check if the point is outside of the loop bounding box
if (point.X - Epsilon < MinX ||
point.X + Epsilon > MaxX ||
point.Y - Epsilon < MinY ||
point.Y + Epsilon > MaxY)
{
return(PointLocation.Outside);
}
// Check if the point is on the loop
if (_loop2d.Any(curve => curve.Distance(point) < Epsilon))
{
return(PointLocation.OnTheEdge);
}
// Create a Line that starts from point and ends outside of the loop. Adding non-integer
// values decreases the chances of special cases, where line passes through loop
// endpoints. These cases can still happen and are managed by the function, but using a
// different offset costs nothing and may help staying out of trouble. (The trouble
// could show up when a point doesn't really lay on a line, or two points are not exactly
// the identical. Using Epsilon helps a little, but, again, when the distance between two
// points is exactly Epsilon, here comes the trouble.)
var line = Line.CreateBound(point, new XYZ(MaxX + 0.1234, MaxY + 0.3456, 0));
// Count the number of intersections between the line just created and the loop.
// If the number of intersection is odd, then point is inside the loop.
// Discard the solutions where the intersection is the edge start point, because these
// intersections have already been counted when intersecting the end point of the
// previous segments.
var nIntersections = _loop2d
.Where(edge => edge.Intersect(line) == SetComparisonResult.Overlap)
.Count(edge => line.Distance(edge.GetEndPoint(0)) > Epsilon);
return(nIntersections % 2 == 1 ? PointLocation.Inside : PointLocation.Outside);
}