RevitSdkSamples/snapshot/2023/Samples/InPlaceMembers/CS/GraphicsDataFactory.cs

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// (C) Copyright 2003-2019 by Autodesk, Inc.
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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;

using Autodesk.Revit.DB.Structure;
using Autodesk.Revit.DB;
using System.Reflection;

namespace Revit.SDK.Samples.InPlaceMembers.CS
{
    /// <summary>
    /// generate GraphicsData by given geometry object
    /// </summary>
    public class GraphicsDataFactory
    {
      /// <summary>
      /// create GraphicsData of given AnalyticalModel3D
      /// </summary>
      /// <param name="model">AnalyticalModel3D contains geometry data</param>
      /// <returns></returns>
      public static GraphicsData CreateGraphicsData(AnalyticalElement model)
      {
         IList<Curve> curveList = new List<Curve>();
         if (model is AnalyticalMember)
         {
            curveList.Add(model.GetCurve());
         }
         else if (model is AnalyticalPanel)
         {
            curveList = (model as AnalyticalPanel).GetOuterContour().ToList();
         }
             
         if (curveList.Count > 0)
         {
            GraphicsData data = new GraphicsData();

            IEnumerator<Curve> curves = curveList.GetEnumerator();
            curves.Reset();
            while (curves.MoveNext())
            {
               Curve curve = curves.Current as Curve;

               try
               {
                  List<XYZ> points = curve.Tessellate() as List<XYZ>;
                  data.InsertCurve(points);
               }
               catch
               {
               }
            }

            data.UpdataData();

            return data;
         }
         else
         {
            throw new Exception("Can't get curves.");
         }
      }
   }
}