Revit开发 - 尺寸标注（Dimension）

男娘i 2022-02-27 01:24 448阅读 0赞

本文演示Revit中创建尺寸标注。

using Autodesk.Revit.Attributes;
    using Autodesk.Revit.DB;
    using Autodesk.Revit.UI;
    using Autodesk.Revit.UI.Selection;
    using System;
    
    namespace RevitAddin4
    {
        [TransactionAttribute(TransactionMode.Manual)]
        public class RevitAddin : IExternalCommand
        {
            public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
            {
                UIDocument uiDoc = commandData.Application.ActiveUIDocument;
                Document doc = uiDoc.Document;
                Selection selection = uiDoc.Selection;
                //选择待标注的对象
                Reference reference1 = selection.PickObject(ObjectType.PointOnElement);
                Reference reference2 = selection.PickObject(ObjectType.PointOnElement);
                ReferenceArray refArray = new ReferenceArray();
                refArray.Append(reference1);
                refArray.Append(reference2);
                Element element = doc.GetElement(reference1);
                Line line = element.GetGeometryObjectFromReference(reference1) as Line;         
                if (line == null)
                {
                    TaskDialog.Show("错误", "不是line");
                    return Result.Failed;
                }
                //旋转90度，作为尺寸标注线
                double dir = Math.Acos(line.Direction.X) + Math.PI / 2;
                Line dirLine = Line.CreateUnbound(line.Origin, new XYZ(Math.Cos(dir), Math.Sin(dir), 0));
                //在事务中创建尺寸标注线
                using (Transaction tr = new Transaction(doc))
                {
                    tr.Start("Create detail curve");
                    doc.Create.NewDimension(doc.ActiveView, dirLine, refArray);
                    tr.Commit();
                }         
                return Result.Succeeded;
            }
        }
    }

执行结果：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpeWF6aGVuMjAxMQ_size_16_color_FFFFFF_t_70][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2xpeWF6aGVuMjAxMQ_size_16_color_FFFFFF_t_70]: /images/20220227/bcd438c7860c48e7982bb4fe31b94724.png