start [Transaction(TransactionMode.Manual)] [Regeneration(RegenerationOption.Manual)] public class cmdRevitVersion : IExternalCommand { public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements) {
PlanarFace.Normal取得向量.IsAlmostEqualTo判断向量是否一致. // =============================================================== // helper function: given a solid, find a planar //Extrusion实体,给一个实体,给一个方向,找到与此方向一致的面. // face with the given normal (version 2) // thi