/// <summary>
/// 设置模型原点
/// </summary>
/// <param name="insertionPoint">如果是0表示项目基点，非零表示观测点。</param>
/// <returns></returns>
private Transform GetProjectLocationTransform(int insertionPoint)
{
Transform transform = Transform.Identity;
using (IEnumerator <Element> enumerator = new FilteredElementCollector(document).OfClass(typeof(BasePoint)).GetEnumerator())
{
while (enumerator.MoveNext())
{
BasePoint basePoint = (BasePoint)enumerator.Current;
if (basePoint.IsShared == (insertionPoint != 0))
{
double num = 0.0;
Parameter parameter = basePoint.get_Parameter(BuiltInParameter.BASEPOINT_ANGLETON_PARAM);
if (parameter != null)
{
num = parameter.AsDouble();
}
transform = GetTransformFromLocation(basePoint.get_Parameter(BuiltInParameter.BASEPOINT_EASTWEST_PARAM).AsDouble(), basePoint.get_Parameter(BuiltInParameter.BASEPOINT_NORTHSOUTH_PARAM).AsDouble(), basePoint.get_Parameter(BuiltInParameter.BASEPOINT_ELEVATION_PARAM).AsDouble(), -num);
}
}
}
ProjectPosition projectPosition = document.ActiveProjectLocation.GetProjectPosition(XYZ.Zero);
Transform transformFromLocation = GetTransformFromLocation(projectPosition.EastWest, projectPosition.NorthSouth, projectPosition.Elevation, projectPosition.Angle);
return(transform.Inverse * transformFromLocation);
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Application app = commandData.Application.Application;
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
// Get Project Base Point (PBP) and it's parameters.
FilteredElementCollector collector = new FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_ProjectBasePoint);
BasePoint element = (BasePoint)collector.ToElements().FirstOrDefault();
double angle = element.get_Parameter(BuiltInParameter.BASEPOINT_ANGLETON_PARAM).AsDouble();
double EW = element.get_Parameter(BuiltInParameter.BASEPOINT_EASTWEST_PARAM).AsDouble();
double NS = element.get_Parameter(BuiltInParameter.BASEPOINT_NORTHSOUTH_PARAM).AsDouble();
double elevation = element.get_Parameter(BuiltInParameter.BASEPOINT_ELEVATION_PARAM).AsDouble();
// Get the coordinates of the Project Base Point (PBP) in case it's moved unclipped.
XYZ PBP = element.get_BoundingBox(null).Max;
// Calculating the distances between internal origo and shared origo. EW and NS is measured in the directions given by the angle to true north.
double x = EW * Math.Cos(angle) - NS * Math.Sin(angle) - PBP.X;
double y = NS * Math.Cos(angle) + EW * Math.Sin(angle) - PBP.Y;
double z = elevation - PBP.Z;
XYZ SharedOrigo = new XYZ(-x, -y, -z);
Line axis = Line.CreateUnbound(SharedOrigo, new XYZ(0, 0, 1));
Element selectedLink;
try
{
selectedLink = doc.GetElement(uidoc.Selection.PickObject(ObjectType.Element, "Pick a link to move from Origin (internal) to Surveypoint."));
}
catch(Autodesk.Revit.Exceptions.OperationCanceledException)
{
return Result.Cancelled;
}
if (selectedLink == null) return Result.Failed;
using (Transaction t1 = new Transaction(doc, "Move link from internal origin to survey point"))
{
t1.Start();
selectedLink.Location.Move(SharedOrigo);
selectedLink.Location.Rotate(axis, angle);
t1.Commit();
}
return Result.Succeeded;
}