天天向上

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 Kitware.VTK;

namespace SimplePointsReader
{
    public partial class Form1 : Form
    {
        private Kitware.VTK.RenderWindowControl renderWindowControl1;
        public Form1()
        {
            InitializeComponent();
            renderWindowControl1 = new RenderWindowControl();
            this.Controls.Add(renderWindowControl1);
            renderWindowControl1.Show();
            renderWindowControl1.Dock = DockStyle.Fill;
        }

private void loadToolStripMenuItem_Click(object sender, EventArgs e)
   {
       using (OpenFileDialog ofd = new OpenFileDialog())
       {
           if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
           {
               
               SimplePointsReader(ofd.FileName);
           }
       }
   }
   private void SimplePointsReader(string fileName)
   {
       // Path to vtk data must be set as an environment variable
       // VTK_DATA_ROOT = "C:\VTK\vtkdata-5.8.0"
       vtkTesting test = vtkTesting.New();
       string root = test.GetDataRoot();
       string filePath = System.IO.Path.Combine(root, fileName);

       vtkSimplePointsReader reader = vtkSimplePointsReader.New();
       reader.SetFileName(filePath);
       reader.Update();
       // Visualize
       vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
       mapper.SetInputConnection(reader.GetOutputPort());
       vtkActor actor = vtkActor.New();
       actor.SetMapper(mapper);
       actor.GetProperty().SetPointSize(4);
       vtkRenderWindow renderWindow = renderWindowControl1.RenderWindow;
       vtkRenderer renderer = renderWindow.GetRenderers().GetFirstRenderer();
       renderer.SetBackground(.3, .6, .3);
       renderer.AddActor(actor);
       //renderer.ResetCamera();
   }