ArcMap中有没有批量删除Polyline中折角的工具？

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using ESRI.ArcGIS.DataSourcesFile;

using ESRI.ArcGIS.Geodatabase;

using ESRI.ArcGIS.Geometry;

using ESRI.ArcGIS.Carto;



namespace quzejiao

{

    public partial class Form1 : Form

    {

        private string shpFile;

        private string shpFilePath;

        private string shpFileName;

        private IFeatureClass pFC;

        public Form1()

        {

            InitializeComponent();

            shpFile = string.Empty;

            shpFilePath = string.Empty;

            shpFileName = string.Empty;

            pFC = null;

        }



        private void btnShp_Click(object sender, EventArgs e)

        {

            OpenFileDialog openFileDialog = new OpenFileDialog();

            openFileDialog.Filter = "shp文件|*.shp";



            openFileDialog.RestoreDirectory = true;

            openFileDialog.FilterIndex = 1;

            if (openFileDialog.ShowDialog() == DialogResult.OK)

            {

                shpFile = openFileDialog.FileName;

                textBox1.Text = shpFile;

                shpFilePath = System.IO.Path.GetDirectoryName(shpFile);

                shpFileName = System.IO.Path.GetFileNameWithoutExtension(shpFile);

                textBox1.Text = shpFile;

                IWorkspaceFactory pWSF = new ShapefileWorkspaceFactoryClass();

                IWorkspace pWS = pWSF.OpenFromFile(shpFilePath, 0);

                IFeatureWorkspace pFWS = pWS as IFeatureWorkspace;

                pFC = pFWS.OpenFeatureClass(shpFileName);

            }

        }



        private void btnOK_Click(object sender, EventArgs e)

        {

            if (pFC != null)

            {



                IFeatureCursor pFCursor = pFC.Update(null, false);

                IFeature pF = pFCursor.NextFeature();

                int k = 0;

                label1.Text = "正在输出……";

                Application.DoEvents();

                while (pF != null)

                {

                    k++;

                    IPolyline polyline = pF.ShapeCopy as IPolyline;

                    IPointCollection pPointCollection = polyline as IPointCollection;

                    IPointCollection pPointCollection0 = new PolylineClass();

                    pPointCollection0.AddPoint(pPointCollection.get_Point(0));

                    int length = pPointCollection.PointCount;

                    ILine pLine0 = null;

                    ILine pLine1 = null;

                    for (int i = 0; i < length - 2; i++)

                    {

                        pLine0 = new LineClass();

                        pLine1 = new LineClass();



                        pLine0.ToPoint = pPointCollection.get_Point(i);

                        pLine0.FromPoint = pPointCollection.get_Point(i + 1);

                        pLine1.FromPoint = pPointCollection.get_Point(i + 1);

                        pLine1.ToPoint = pPointCollection.get_Point(i + 2);



                        Double dAngle = (pLine1.Angle - pLine0.Angle) * (180 / Math.PI);

                        if (Math.Abs(dAngle) > 90)//保留角度大于90的角

                        {

                            pPointCollection0.AddPoint(pPointCollection.get_Point(i + 1));

                        }

                    }

                    IPolyline pNewLine = pPointCollection0 as IPolyline;

                    pF.Shape = pNewLine as IGeometry;

                    pFCursor.UpdateFeature(pF);

                    if (k == 100)

                    {

                        pFCursor.Flush();

                        k = 0;

                    }



                    pF = pFCursor.NextFeature();

                }

                pFCursor.Flush();

                System.Runtime.InteropServices.Marshal.ReleaseComObject(pFCursor);

                label1.Text = "";

                MessageBox.Show("Game Over");

            }

        }

    }

}