RevitSdkSamples/snapshot/2008/SDK/Samples/InPlaceMembers/CS/GraphicsDataFactory.cs

//
// (C) Copyright 2003-2007 by Autodesk, Inc.
//
// Permission to use, copy, modify, and distribute this software in
// object code form for any purpose and without fee is hereby granted,
// provided that the above copyright notice appears in all copies and
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// documentation.
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// restrictions set forth in FAR 52.227-19 (Commercial Computer
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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;

using Autodesk.Revit.Structural;
using Autodesk.Revit.Geometry;
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(AnalyticalModel model)
        {
            PropertyInfo pInfo = model.GetType().GetProperty("Curves");

            if (null != pInfo)
            {
                CurveArray curveArray = pInfo.GetValue(model, null) as CurveArray;

                GraphicsData data = new GraphicsData();

                CurveArrayIterator curves = curveArray.ForwardIterator();
                curves.Reset();
                while (curves.MoveNext())
                {
                    Curve curve = curves.Current as Curve;

                    try
                    {
                        XYZArray points = curve.Tessellate();
                        data.InsertCurve(points);
                    }
                    catch
                    {
                    }
                }
                data.UpdataData();

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