C# anyCAD三维图形显示（STL文件的读取）

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using 振镜3D打印.硬件控制;
using AnyCAD.Presentation;
using AnyCAD.Platform;
using System.IO;
using 振镜3D打印.硬件控制.anyCAD;
using 振镜3D打印.shape;

namespace 振镜3D打印
{
    public partial class mainForm : DevExpress.XtraEditors.XtraForm
    {
        
        private RenderWindow3d m_RenderView = null;
        //private Feature m_CurrentFeature = null;
        public AnyCAD.Presentation.RenderWindow3d RenderView
        {
            get { return m_RenderView; }
            set { m_RenderView = value; }
        }
        public mainForm()
        {          
            InitializeComponent();
           // Add 3D RenderView to container.
           var container = this.panelControl1;

            m_RenderView = new RenderWindow3d();

            m_RenderView.Size = container.ClientSize;
            m_RenderView.Dock = System.Windows.Forms.DockStyle.Fill;
            container.Controls.Add(m_RenderView);

        }













        private void mainForm_Load(object sender, EventArgs e)
        {
           

        }

        #region 三维图形显示

        string path = "";
        List<float> listpoint = new List<float>();

        /// <summary>
        /// 打开并选择stl输出文件，显示图形
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btopen_Click(object sender, EventArgs e)
        {
            ShowOpenFileDialog();
            listpoint.Clear();
            if (File.Exists(path))//如果文件存在，则进行读取
            {
                using (StreamReader file = new StreamReader(File.Open(path, FileMode.Open)))
                {
                    char[] separator = { ' ', ',' };//用于分割字符串的标示符号，即空格
                   
                    string line = file.ReadLine();//读取行;
                    do
                    {
                        string[] newstr = line.Trim().Split(separator);
                        foreach (var item in newstr)
                        {
                            listpoint.Add(float.Parse(item));
                        }
                        line = file.ReadLine();//读取行                            
                    } while (line != null);
                    float[] news = listpoint.ToArray();

                    FeatureContext context = new FeatureContext(RenderView);
                    //if (m_CurrentFeature != null)
                    //    m_CurrentFeature.OnExit(context);
                    m_RenderView.ClearScene();
                    if (GraphMarker.PointsMake(context, news))
                    {
                        m_RenderView.FitAll();
                    }
                    m_RenderView.RequestDraw();
               }
            }
        }

        //打开选择文件窗口
        private void ShowOpenFileDialog()
        {
            OpenFileDialog openFileDialog = new OpenFileDialog();
            openFileDialog.InitialDirectory = "c:\\";//注意这里写路径时要用c:\\而不是c:\
            openFileDialog.Filter = "所有文件|*.*";
            openFileDialog.RestoreDirectory = true;
            openFileDialog.FilterIndex = 1;
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                path = openFileDialog.FileName;
            }
        }
        Line line;
        private void btLinetest_Click(object sender, EventArgs e)
        {
            line = new Line(Convert.ToDouble(tlineLength.Text), Convert.ToInt32(tlineNum.Text), Convert.ToDouble(txSpace.Text), Convert.ToDouble(tSpaceincrease.Text), Convert.ToInt32(tlinelaynum.Text), Convert.ToDouble(tlinezSpace.Text),m_RenderView);
            shape = line;
            shape.Drawshapes();
        }
        shape.shape shape;
        Circle circle;       
        private void btCircletest_Click(object sender, EventArgs e)
        {
            if (chFaceScan.Checked)
            {
                circle = new Circle(Convert.ToDouble(this.tRadius.Text), Convert.ToDouble(this.tScanSpace.Text), Convert.ToInt32(this.tCirNum.Text), float.Parse(this.tCirZspace.Text), m_RenderView);
                shape = circle;
                shape.Facescan();
            }
            else
            {
                circle = new Circle(float.Parse(this.tRadius.Text), float.Parse(this.tStep.Text), Convert.ToInt32(this.tCirNum.Text), float.Parse(this.tCirZspace.Text), m_RenderView);
                shape = circle;
                shape.Drawshapes();
            }
        }
        shape.Rectangle rectangle;
        private void btRectest_Click(object sender, EventArgs e)
        {
            if (chRecScan.Checked)
            {
                rectangle = new shape.Rectangle(Convert.ToDouble(this.tLength.Text), Convert.ToDouble(this.tWidth.Text), Convert.ToInt32(this.tRecNum.Text), Convert.ToDouble(this.tRecZspace.Text), Convert.ToDouble(tRecScanspace.Text),m_RenderView);
                shape = rectangle;
                shape.Facescan();
            }
            else
            {
                rectangle = new shape.Rectangle(Convert.ToDouble(this.tLength.Text), Convert.ToDouble(this.tWidth.Text), Convert.ToInt32(this.tRecNum.Text), Convert.ToDouble(this.tRecZspace.Text),m_RenderView);
                shape = rectangle;
                shape.Drawshapes();
            }
        }
        Triangle triangle;
        private void btTriantest_Click(object sender, EventArgs e)
        {
            if (chTrianScan.Checked)
            {
                triangle = new Triangle(Convert.ToDouble(this.tBottomLen.Text), Convert.ToDouble(this.tWaistLen.Text), Convert.ToInt32(this.tTrianNum.Text), Convert.ToDouble(this.tTrianZspace.Text), Convert.ToDouble(tTrianScanspace.Text),m_RenderView);
                shape = triangle;
                shape.Facescan();
            }
            else
            {
                triangle = new Triangle(Convert.ToDouble(this.tBottomLen.Text), Convert.ToDouble(this.tWaistLen.Text), Convert.ToInt32(this.tTrianNum.Text), Convert.ToDouble(this.tTrianZspace.Text),m_RenderView);
                shape = triangle;
                shape.Drawshapes();
            }
        }
               
        #endregion

    }
}