Revit二次開發——批量標註模型線

引言：在自動標註大環境下，利用模型線進行代替標註；僅僅是一種嘗試，優缺點都有望讀者自行改進。（僅限平面視圖）

開始：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.DB.Architecture;
using Autodesk.Revit.UI;

namespace AutoDimention
{
    [TransactionAttribute(TransactionMode.Manual)]
    class SelectAutoDimention_Cmd : IExternalCommand
    {
        public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elementset)
        {
            UIDocument uidoc = commandData.Application.ActiveUIDocument;
            Document doc = uidoc.Document;
            XYZ Xvec = new XYZ(1, 0, 0);//*X單位向量
            XYZ Yvec = new XYZ(0, 1, 0);//*Y單位向量
            List<Line> ListLinesX = new List<Line>();
            List<Line> ListLinesY = new List<Line>();
            ReferenceArray refArryY = new ReferenceArray();
            ReferenceArray refArryX = new ReferenceArray();
            List<ModelLine> modelLines = new List<ModelLine>();
            bool is_Y = false;
            bool is_X = false;
            ICollection<ElementId> elementIds = uidoc.Selection.GetElementIds();
            List<Element> elements = new List<Element>();//*給定元素集合

            XYZ HidePointA = uidoc.Selection.PickPoint(Autodesk.Revit.UI.Selection.ObjectSnapTypes.Nearest, "選擇標註點A");
            XYZ HidePointB = uidoc.Selection.PickPoint(Autodesk.Revit.UI.Selection.ObjectSnapTypes.Nearest, "選擇標註點B");
            //*這個先把這裏面的modelline添加進去
            foreach (Element element in elements)
            {
                if (element is ModelLine)
                {
                    ModelLine modelLine = element as ModelLine;
                    modelLines.Add(modelLine);
                }
            }
            try
            {
                foreach (ElementId elementId in elementIds)
                {
                    elements.Add(doc.GetElement(elementId));
                }
                //*這個先把這裏面的modelline添加進去
                foreach (Element element in elements)
                {
                    if (element is ModelLine)
                    {
                        ModelLine modelLine = element as ModelLine;
                        modelLines.Add(modelLine);
                    }
                }
                Line Juge_Line = modelLines[0].GeometryCurve as Line;
                if (Juge_Line.Direction.IsAlmostEqualTo(Xvec,0.01) || Juge_Line.Direction.IsAlmostEqualTo(-Xvec,0.01))
                {
                    is_X = true;
                }
                if (Juge_Line.Direction.IsAlmostEqualTo(Yvec,0.01) || Juge_Line.Direction.IsAlmostEqualTo(-Yvec,0.01))
                {
                    is_Y = true;
                }
                if (is_Y == true)
                {
 
                    Transaction transaction = new Transaction(doc, "Dimention");
                    transaction.Start();
                    foreach (ModelLine TemModeleline in modelLines)
                    {
                        Line TemLine = TemModeleline.GeometryCurve as Line;
                        XYZ TemP1 = TemLine.GetEndPoint(0);
                        XYZ TemP2 = TemLine.GetEndPoint(1);
                        TemP1 = new XYZ(TemP1.X, HidePointA.Y, TemP1.Z);
                        TemP2 = new XYZ(TemP1.X, HidePointB.Y, TemP1.Z);
                        TemLine = Line.CreateBound(TemP1, TemP2);
                        TemModeleline.GeometryCurve = TemLine;
                        doc.Regenerate();
                        Options options = new Options();
                        options.ComputeReferences = true;
                        options.DetailLevel = ViewDetailLevel.Fine;
                        GeometryElement geometryElement = TemModeleline.get_Geometry(options);
                        foreach (GeometryObject geometryObject in geometryElement)
                        {
                            if (geometryObject is Line)
                            {
                                Line line = geometryObject as Line;
                                refArryX.Append(line.Reference);
                                ListLinesX.Add(line);
                            }
                        }
                    }
                    Line lineX = Line.CreateBound(ListLinesX[0].Origin, ListLinesX[1].Origin);
                    Dimension dimension = doc.Create.NewDimension(doc.ActiveView, lineX, refArryX);
                    transaction.Commit();
                }
                if (is_X == true)
                {

                    Transaction transaction = new Transaction(doc, "Dimention");
                    transaction.Start();
                    foreach (ModelLine TemModeleline in modelLines)
                    {
                        Line TemLine = TemModeleline.GeometryCurve as Line;
                        XYZ TemP1 = TemLine.GetEndPoint(0);
                        XYZ TemP2 = TemLine.GetEndPoint(1);
                        TemP1 = new XYZ(HidePointA.X, TemP1.Y, TemP1.Z);
                        TemP2 = new XYZ(HidePointB.X, TemP1.Y, TemP1.Z);
                        TemLine = Line.CreateBound(TemP1, TemP2);
                        TemModeleline.GeometryCurve = TemLine;
                        doc.Regenerate();
                        Options options = new Options();
                        options.ComputeReferences = true;
                        options.DetailLevel = ViewDetailLevel.Fine;
                        GeometryElement geometryElement = TemModeleline.get_Geometry(options);
                        foreach (GeometryObject geometryObject in geometryElement)
                        {
                            if (geometryObject is Line)
                            {
                                Line line = geometryObject as Line;
                                refArryY.Append(line.Reference);
                                ListLinesY.Add(line);
                            }
                        }
                    }
                    Line lineY = Line.CreateBound(ListLinesY[0].Origin, ListLinesY[1].Origin);
                    Dimension dimension = doc.Create.NewDimension(doc.ActiveView, lineY, refArryY);
                    transaction.Commit();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message + ex.StackTrace);
            }
            return Result.Succeeded;
        }
    }
}

 

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