WindowsFormsApp3.zip

using System;
using System.IO;
using System.Collections.Generic;
using System.Windows.Forms;
using OpenTK;
using OpenTK.Graphics.OpenGL;
using System.Drawing;
using System.Reflection;

namespace WindowsFormsApp3
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }
        //xyz坐标
         struct Point3D
        {
          public float x;
          public  float y;
          public float z;
        };
        //rgb颜色数据
         struct rgb
        {
            public float r;
            public float g;
            public float b;
        };

        const float PI = 3.141592543f;
        //存储坐标点的集合
        List ls_pts=new List（）;
        //存储颜色集合
        List ls_cols=new List（）;
        float fWidth fHeight;
        //视点z坐标
        float eyeZ;
        //物体中心点
        float centerX centerY centerZ;
        //物体长度和宽度
        float halfWidth halfHeight;
        //平移的距离
        float translateX translateY;
        //旋转的角度
        float rotX rotY;
        //鼠标按下的位置
        float downPtX downPtY;
        BeginMode terrainRenderstyle = BeginMode.Points;

        float tempEyeZ;
        int arb;
        int pt3DNum;
    
        private void glControl1_Load（object sender EventArgs e）
        {
            GL.ClearColor（Color.SteelBlue）;	// Set color
            string filepath = “F:\OpenTK\OpenTK_test\OpenTK Test\OpenTK Test\obj\Debug\view1445922.ply“;
            LoadHeightMap（filepath）;
        }
        //刷新加载
        private void glControl1_Paint（object sender PaintEventArgs e）
        {
            GL.Clear（ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit）;

            Matrix4 lookat = Matrix4.LookAt（0 0 6 * eyeZ 0 0 0 0 1 0）;

            GL.MatrixMode（MatrixMode.Modelview）;
            GL.LoadMatrix（ref lookat）;
            GL.Translate（translateX translateY 0）; //键盘平移
            GL.Rotate（rotX 1 0 0）;//x轴旋转
            GL.Rotate（rotY 0 1 0）;//y轴旋转
          //  GL.Scale（scal1 scal1 scal1）;
            GL.Translate（-centerX -centerY -centerZ）;
            // Render heightmap
            this.RenderHeightmap（）;

            glControl1.SwapBuffers（）;

        }
        //控件改变后刷新
        private void glControl1_Resize（object sender EventArgs e）
        {

            fWidth = （float）Width;
            fHeight = （float）Height;
            GL.Viewport（0 0 Width Height）;

            float aspect_ratio = Width / （float）Height;
            Matrix4 perpective = Matrix4.CreatePerspectiveFieldOfView（MathHelper.PiOver4 aspect_ratio 1f 50000f）;
            GL.MatrixMode（MatrixMode.Projection）;
            GL.LoadMatrix（ref perpective）;
            return;

        }
        private void LoadHeightMap（string filepath）
        {
            float minX = 0.0f maxX = 0.0f minY = 0.0f maxY = 0.0f minZ = 0.

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2020-07-29 20:47  .vs
     目录           0  2020-07-29 20:47  .vsWindowsFormsApp3
     目录           0  2020-07-29 20:47  .vsWindowsFormsApp3v16
     文件       63488  2020-07-30 18:00  .vsWindowsFormsApp3v16.suo
     目录           0  2020-07-29 21:15  packages
     目录           0  2020-07-29 21:15  packagesOpenTK.3.2
     文件        9474  2020-04-06 06:32  packagesOpenTK.3.2.signature.p7s
     目录           0  2020-07-29 21:15  packagesOpenTK.3.2content
     文件        1813  2020-04-06 09:02  packagesOpenTK.3.2contentOpenTK.dll.config
     目录           0  2020-07-29 21:15  packagesOpenTK.3.2lib
     目录           0  2020-07-29 21:15  packagesOpenTK.3.2lib
et20
     文件     5747712  2020-04-06 09:19  packagesOpenTK.3.2lib
et20OpenTK.dll
     文件     9252352  2020-04-06 09:19  packagesOpenTK.3.2lib
et20OpenTK.pdb
     文件    30079257  2020-04-06 09:16  packagesOpenTK.3.2lib
et20OpenTK.xml
     文件     4417518  2020-07-29 21:15  packagesOpenTK.3.2OpenTK.3.2.nupkg
     文件        1154  2020-07-29 20:47  WindowsFormsApp3.sln
     目录           0  2020-07-30 18:00  WindowsFormsApp3
     文件         189  2020-07-29 20:47  WindowsFormsApp3App.config
     目录           0  2020-07-29 20:47  WindowsFormsApp3in
     目录           0  2020-07-30 10:10  WindowsFormsApp3inDebug
     文件     5747712  2020-04-06 09:19  WindowsFormsApp3inDebugOpenTK.dll
     文件       49152  2014-07-24 07:15  WindowsFormsApp3inDebugOpenTK.GLControl.dll
     文件     9252352  2020-04-06 09:19  WindowsFormsApp3inDebugOpenTK.pdb
     文件    30079257  2020-04-06 09:16  WindowsFormsApp3inDebugOpenTK.xml
     文件       12288  2020-07-30 17:24  WindowsFormsApp3inDebugWindowsFormsApp3.exe
     文件         521  2020-07-30 10:10  WindowsFormsApp3inDebugWindowsFormsApp3.exe.config
     文件       36352  2020-07-30 17:24  WindowsFormsApp3inDebugWindowsFormsApp3.pdb
     文件        7466  2020-07-30 18:00  WindowsFormsApp3Form1.cs
     文件        3131  2020-07-30 17:13  WindowsFormsApp3Form1.Designer.cs
     文件        5817  2020-07-30 11:10  WindowsFormsApp3Form1.resx
     目录           0  2020-07-29 20:47  WindowsFormsApp3obj
............此处省略25个文件信息