/// <summary>
/// Implement this method as an external command for Revit.
/// </summary>
/// <param name="commandData">An object that is passed to the external application
/// which contains data related to the command,
/// such as the application object and active view.</param>
/// <param name="message">A message that can be set by the external application
/// which will be displayed if a failure or cancellation is returned by
/// the external command.</param>
/// <param name="elements">A set of elements to which the external application
/// can add elements that are to be highlighted in case of failure or cancellation.</param>
/// <returns>Return the status of the external command.
/// A result of Succeeded means that the API external method functioned as expected.
/// Cancelled can be used to signify that the user cancelled the external operation
/// at some point. Failure should be returned if the application is unable to proceed with
/// the operation.</returns>
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Autodesk.Revit.ApplicationServices.Application app = commandData.Application.Application;
Document doc = commandData.Application.ActiveUIDocument.Document;
Transaction transaction = new Transaction(doc, "PointsOnCurve");
transaction.Start();
XYZ start = new XYZ(0, 0, 0);
XYZ end = new XYZ(50, 50, 0);
Autodesk.Revit.DB.Line line = Autodesk.Revit.DB.Line.CreateBound(start, end);
Plane geometryPlane = Plane.CreateByNormalAndOrigin(XYZ.BasisZ, start);
SketchPlane skplane = SketchPlane.Create(doc, geometryPlane);
ModelCurve modelcurve = doc.FamilyCreate.NewModelCurve(line, skplane);
for (double i = 0.1; i <= 1; i = i + 0.1)
{
PointLocationOnCurve locationOnCurve = new PointLocationOnCurve(PointOnCurveMeasurementType.NormalizedCurveParameter, i, PointOnCurveMeasureFrom.Beginning);
PointOnEdge poe = app.Create.NewPointOnEdge(modelcurve.GeometryCurve.Reference, locationOnCurve);
ReferencePoint rp2 = doc.FamilyCreate.NewReferencePoint(poe);
}
transaction.Commit();
return(Result.Succeeded);
}
Stream(ArrayList data, PointElementReference ptElemRef)
{
data.Add(new Snoop.Data.ClassSeparator(typeof(PointElementReference)));
PointOnEdge ptOnEdge = ptElemRef as PointOnEdge;
if (ptOnEdge != null)
{
Stream(data, ptOnEdge);
return;
}
PointOnEdgeEdgeIntersection ptOnEdgeEdgeInt = ptElemRef as PointOnEdgeEdgeIntersection;
if (ptOnEdgeEdgeInt != null)
{
Stream(data, ptOnEdgeEdgeInt);
return;
}
PointOnEdgeFaceIntersection ptOnEdgeFaceInt = ptElemRef as PointOnEdgeFaceIntersection;
if (ptOnEdgeFaceInt != null)
{
Stream(data, ptOnEdgeFaceInt);
return;
}
PointOnFace ptOnFace = ptElemRef as PointOnFace;
if (ptOnFace != null)
{
Stream(data, ptOnFace);
return;
}
//PointOnSketch ptOnSketch = ptElemRef as PointOnSketch;
//if (ptOnSketch != null) {
// Stream(data, ptOnSketch);
// return;
//}
//PointRelativeToPoint ptRelToPt = ptElemRef as PointRelativeToPoint;
//if (ptRelToPt != null) {
// Stream(data, ptRelToPt);
// return;
//}
}
/// <summary>
/// Find the exterior edge with the closest point on the edge to the query position.
/// </summary>
/// <param name="pos">The query position.</param>
/// <returns>A triangle interpolant that will evaluate to the interpolation between the two edge endpoints. Returns null if there are no exterior edges.</returns>
/// <remarks>
/// The third triangle vertex always has index 0 and weight 0.
/// </remarks>
private Interpolant FindClosestExteriorEdge(Vector3 pos)
{
if (exteriorEdges.Count == 0)
{
if (vertices.Count == 5)
{
/// There is a single real vertex, so no exterior edges.
/// That's okay, the single vertex wins all the weight.
Interpolant singleVert = new Interpolant();
singleVert.idx[0] = singleVert.idx[1] = singleVert.idx[2] = 4;
singleVert.weights[0] = 1.0f;
singleVert.weights[1] = singleVert.weights[2] = 0.0f;
return(singleVert);
}
return(null);
}
int closestEdge = -1;
float closestDistance = float.MaxValue;
float closestParm = 0.0f;
for (int i = 0; i < exteriorEdges.Count; ++i)
{
PointOnEdge point = PositionOnEdge(exteriorEdges[i], pos);
if (point.distanceSqr < closestDistance)
{
closestEdge = i;
closestDistance = point.distanceSqr;
closestParm = point.parm;
}
}
Debug.Assert(closestEdge >= 0, "If there are any edges, there must be a closest one.");
Edge edge = exteriorEdges[closestEdge];
Interpolant bary = new Interpolant();
bary.idx[0] = edge.idx0;
bary.idx[1] = edge.idx1;
bary.idx[2] = 0;
bary.weights[0] = 1.0f - closestParm;
bary.weights[1] = closestParm;
bary.weights[2] = 0;
return(bary);
}
Stream(ArrayList data, PointOnEdge ptOnEdge)
{
data.Add(new Snoop.Data.ClassSeparator(typeof(PointOnEdge)));
data.Add(new Snoop.Data.Object("PointLocationOnCurve", ptOnEdge.LocationOnCurve));
data.Add(new Snoop.Data.Object("Reference", ptOnEdge.GetEdgeReference()));
}
Stream(ArrayList data, PointOnEdge ptOnEdge)
{
data.Add(new Snoop.Data.ClassSeparator(typeof(PointOnEdge)));
data.Add(new Snoop.Data.Object("PointLocationOnCurve", ptOnEdge.LocationOnCurve));
data.Add(new Snoop.Data.Object("Reference", ptOnEdge.GetEdgeReference()));
}