protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
GetObject go = new GetObject();
go.SetCommandPrompt("Select two curves for planar curve containment test");
go.GeometryFilter = ObjectType.Curve;
go.GeometryAttributeFilter = GeometryAttributeFilter.ClosedCurve;
go.SubObjectSelect = false;
go.GetMultiple(2, 2);
if (go.CommandResult() != Result.Success)
{
return(go.CommandResult());
}
Rhino.Geometry.Curve curveA = go.Object(0).Curve();
Rhino.Geometry.Curve curveB = go.Object(1).Curve();
if (null == curveA || null == curveB)
{
return(Result.Failure);
}
Plane planeA, planeB;
if (!curveA.IsPlanar() || !curveA.TryGetPlane(out planeA))
{
RhinoApp.WriteLine("Curve A is not planar.");
return(Result.Success);
}
if (!curveB.IsPlanar() || !curveB.TryGetPlane(out planeB))
{
RhinoApp.WriteLine("Curve B is not planar.");
return(Result.Success);
}
double tol = Rhino.RhinoMath.ZeroTolerance;
RegionContainment rc = Curve.PlanarClosedCurveRelationship(curveA, curveB, planeA, tol);
switch (rc)
{
case RegionContainment.Disjoint:
RhinoApp.WriteLine("There is no common area between the two regions.");
break;
case RegionContainment.MutualIntersection:
RhinoApp.WriteLine("The two curves intersect. No full containment relationship exists.");
break;
case RegionContainment.AInsideB:
RhinoApp.WriteLine("Region bounded by curveA (first curve) is inside of curveB (second curve).");
break;
case RegionContainment.BInsideA:
RhinoApp.WriteLine("Region bounded by curveB (second curve) is inside of curveA (first curve).");
break;
}
return(Result.Success);
}
public static IfcBoundedCurve ConvertRhinoCommonCurve(DatabaseIfc db, Curve crv)
{
double tol = db.Tolerance, angTol = Math.PI / 1800;
if (crv.IsLinear(tol))
return new IfcPolyline(new List<IfcCartesianPoint>() { new IfcCartesianPoint(db, crv.PointAtStart), new IfcCartesianPoint(db, crv.PointAtEnd) });
Plane pln = new Plane();
if (crv.TryGetPlane(out pln, tol))
{
if (Math.Abs(pln.Origin.Z) < tol && pln.ZAxis.IsParallelTo(Vector3d.ZAxis, angTol) != 0)
return convCurve(db, crv, true);
}
return convCurve(db, crv, false);
}
/// <summary>
/// Find the curve in this collection which encloses the others
/// </summary>
/// <param name="curves"></param>
/// <returns></returns>
private static RC.Curve outerCurve(IList <RC.Curve> curves)
{
if (curves.Count == 0)
{
return(null);
}
RC.Curve result = curves[0];
RC.Plane plane;
if (!result.TryGetPlane(out plane))
{
return(null);
}
for (int i = 1; i < curves.Count; i++)
{
RC.Curve curve = curves[i];
var containment = RC.Curve.PlanarClosedCurveRelationship(result, curve, plane, Tolerance.Distance);
if (containment == RC.RegionContainment.AInsideB)
{
result = curve;
}
}
return(result);
}