本文整理汇总了C#中CurveLoop.GetCurveLoopIterator方法的典型用法代码示例。如果您正苦于以下问题：C# CurveLoop.GetCurveLoopIterator方法的具体用法？C# CurveLoop.GetCurveLoopIterator怎么用？C# CurveLoop.GetCurveLoopIterator使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CurveLoop的用法示例。
在下文中一共展示了CurveLoop.GetCurveLoopIterator方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: ConvertCurveLoopIntoSingleCurve
/// <summary>
/// Create a curve representation of this IFCCompositeCurve from a curveloop
/// </summary>
/// <param name="curveLoop">The curveloop</param>
/// <returns>A Revit curve that is made by appending every curve in the given curveloop, if possible</returns>
private Curve ConvertCurveLoopIntoSingleCurve(CurveLoop curveLoop)
{
if (curveLoop == null)
{
return null;
}
CurveLoopIterator curveIterator = curveLoop.GetCurveLoopIterator();
Curve firstCurve = curveIterator.Current;
Curve returnCurve = null;
// We only connect the curves if they are Line, Arc or Ellipse
if (!((firstCurve is Line) || (firstCurve is Arc) || (firstCurve is Ellipse)))
{
return null;
}
XYZ firstStartPoint = firstCurve.GetEndPoint(0);
Curve currentCurve = null;
if (firstCurve is Line)
{
Line firstLine = firstCurve as Line;
while(curveIterator.MoveNext())
{
currentCurve = curveIterator.Current;
if (!(currentCurve is Line))
{
return null;
}
Line currentLine = currentCurve as Line;
if (!(firstLine.Direction.IsAlmostEqualTo(currentLine.Direction)))
{
return null;
}
}
returnCurve = Line.CreateBound(firstStartPoint, currentCurve.GetEndPoint(1));
}
else if (firstCurve is Arc)
{
Arc firstArc = firstCurve as Arc;
XYZ firstCurveNormal = firstArc.Normal;
while(curveIterator.MoveNext())
{
currentCurve = curveIterator.Current;
if (!(currentCurve is Arc))
{
return null;
}
XYZ currentStartPoint = currentCurve.GetEndPoint(0);
XYZ currentEndPoint = currentCurve.GetEndPoint(1);
Arc currentArc = currentCurve as Arc;
XYZ currentCenter = currentArc.Center;
double currentRadius = currentArc.Radius;
XYZ currentNormal = currentArc.Normal;
// We check if this circle is similar to the first circle by checking that they have the same center, same radius,
// and lie on the same plane
if (!(currentCenter.IsAlmostEqualTo(firstArc.Center) && MathUtil.IsAlmostEqual(currentRadius, firstArc.Radius)))
{
return null;
}
if (!MathUtil.IsAlmostEqual(Math.Abs(currentNormal.DotProduct(firstCurveNormal)), 1))
{
return null;
}
}
// If all of the curve segments are part of the same circle, then the returning curve will be a circle bounded
// by the start point of the first curve and the end point of the last curve.
XYZ lastPoint = currentCurve.GetEndPoint(1);
if (lastPoint.IsAlmostEqualTo(firstStartPoint))
{
firstCurve.MakeUnbound();
}
else
{
double startParameter = firstArc.GetEndParameter(0);
double endParameter = firstArc.Project(lastPoint).Parameter;
if (endParameter < startParameter)
endParameter += Math.PI * 2;
firstCurve.MakeBound(startParameter, endParameter);
}
returnCurve = firstCurve;
}
else if (firstCurve is Ellipse)
{
Ellipse firstEllipse = firstCurve as Ellipse;
double radiusX = firstEllipse.RadiusX;
//.........这里部分代码省略.........