C#，SharpGL开发的3D图表控件

另外一个版本是使用OpenTK开发，文字显示效果不太理想，因此换了SharpGL重新写了一个。

文字是缓存为图片，然后使用坐标映射的方式绘制到图表上。

资源忘了复制链接，欢迎来白嫖

public partial class QChart : UserControl
{

public QChart()
{
InitializeComponent();

BackColor = Color.White;
LineColor = Color.Gray;
DotColor = Color.Red;
TitleColor = Color.Red;

TxtColor = Color.Black;

XTitle = "X";
YTitle = "Y";
ZTitle = "Z";
XRange = 5;
YRange = 3;
ZRange = 3;
_rotationy = 1;
FontSize = 12;//文字大小
minx = miny = minz = 0;
maxx = maxy = maxz = 10;
XStep = YStep = ZStep = 1;

}

private int _x;
private float _rotationx, _rotationy;

private float zIndex = 12;//俯视角度，好看

private bool locked = false;//是否锁定

private List<Point3D> points;

public float FontSize { get; set; }

/// <summary>
/// 坐标线条颜色
/// </summary>
public Color LineColor { get; set; }
/// <summary>
/// 点颜色
/// </summary>
public Color DotColor { get; set; }
/// <summary>
/// 标题颜色
/// </summary>
public Color TitleColor { get; set; }
/// <summary>
/// 刻度颜色
/// </summary>
public Color TxtColor { get; set; }
/// <summary>
/// X轴标题
/// </summary>
public String XTitle { get; set; }
/// <summary>
/// Y轴标题
/// </summary>
public String YTitle { get; set; }
/// <summary>
/// Z轴标题
/// </summary>
public String ZTitle { get; set; }

public int XRange { get; set; }
public int YRange { get; set; }
public int ZRange { get; set; }
public double maxx { get; set; }
public double minx { get; set; }
public double maxy { get; set; }
public double miny { get; set; }
public double maxz { get; set; }
public double minz { get; set; }
/// <summary>
/// X方向的刻度间隔，默认1
/// </summary>
public int XStep { get; set; }
/// <summary>
/// y方向的刻度间隔，默认1
/// </summary>
public int YStep { get; set; }

/// <summary>
/// Z方向的刻度间隔，默认1
/// </summary>
public int ZStep { get; set; }

private Point mouse = new Point();//记录鼠标位置

private void openGLControl1_OpenGLDraw(object sender, RenderEventArgs e)
{
// Get the OpenGL object, just to clean up the code.
OpenGL gl = this.openGLControl1.OpenGL;

gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT);

gl.ClearColor((float)(BackColor.R / 255.0), (float)(BackColor.G / 255.0), (float)(BackColor.B / 255.0), 1f);//背景色
gl.Clear(OpenGL.GL_COLOR_BUFFER_BIT | OpenGL.GL_DEPTH_BUFFER_BIT | OpenGL.GL_STENCIL_BUFFER_BIT);

gl.MatrixMode(OpenGL.GL_MODELVIEW);

gl.LoadIdentity();

gl.Rotate(_rotationx, 1, 0, 0);//X轴旋转

gl.Rotate(_rotationy, 0, 1, 0);//Y轴旋转

//绘制坐标

gl.Color(LineColor.R, LineColor.G, LineColor.B);//线颜色

//gl.DrawText(0, 0, TitleColor, "宋体", FontSize, "ss");

//水平线,X面
for (int i = -XRange; i <= XRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(i, -YRange, -ZRange);
gl.Vertex(i, -YRange, ZRange);
gl.End();

}
for (int i = -ZRange; i <= ZRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(-XRange, -YRange, i);
gl.Vertex(XRange, -YRange, i);
gl.End();

}

//竖直线,Y面
for (int i = -YRange; i <= YRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(-XRange, i, -ZRange);
gl.Vertex(-XRange, i, ZRange);
gl.End();
}

for (int i = -ZRange; i <= ZRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(-XRange, -YRange, i);
gl.Vertex(-XRange, YRange, i);
gl.End();
}
//Z面
for (int i = -YRange; i <= YRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(-XRange, i, -ZRange);
gl.Vertex(XRange, i, -ZRange);
gl.End();
}

for (int i = -XRange; i <= XRange; i++)
{
gl.Begin(OpenGL.GL_LINES);
gl.Vertex(i, -YRange, -ZRange);
gl.Vertex(i, YRange, -ZRange);
gl.End();
}

if (XStep < 1) XStep = 1;
//刻度x
for (int i = -XRange; i <= XRange; i+=XStep)
{

double v = (i + XRange) / (2.0 * XRange) * (maxx - minx);
DrawText(String.Format("{0:f2}", v), i - 0.2f, -YRange - 0.5f, -ZRange - 0.2f, TxtColor);

}
//DrawTextCN(XTitle, XRange + 0.5f, -YRange - 0.25f, -ZRange, TitleColor);
if (YStep < 1) YStep = 1;
//刻度Y
for (int i = -YRange; i < YRange; i+= YStep)
{
double v = (i + YRange) / (2.0 * YRange) * (maxy - miny);
DrawText(String.Format("{0:f2}", v), -XRange - 0.2f, i, -ZRange - 0.2f, TxtColor);
}
// DrawTextCN(YTitle, -XRange, YRange, -ZRange, TitleColor);

if (ZStep < 1) ZStep = 1;
//刻度Z
for (int i = -ZRange; i < ZRange; i+=ZStep)
{
double v = (i + ZRange) / (2.0 * YRange) * (maxz - minz);
DrawText(String.Format("{0:f2}", v), -XRange - 0.5f, -YRange - 0.5f, i, TxtColor);
}
// DrawTextCN(ZTitle, -XRange, -YRange - 0.5f, ZRange + 0.5f, TitleColor);

//输出三个坐标标题
gl.Color(TitleColor.R, TitleColor.G, TitleColor.B);
drawCNString(" ", 99, 99, 99, gl);
drawCNString(ZTitle, -XRange, -YRange,ZRange+0.5f, gl);
drawCNString(XTitle+0.5f , XRange, -YRange, -ZRange, gl);
drawCNString(YTitle , -XRange, YRange+0.5f, -ZRange, gl);

//如果有点，才绘制点

if (points != null && points.Count > 0)
{
gl.Color(DotColor.R, DotColor.G, DotColor.B);

// gl.PointSize(4);

foreach (Point3D p in points)
{
double x = XRange * (2 * (p.X - minx) / (maxx - minx) - 1);
double y = YRange * (2 * (p.Y - miny) / (maxy - miny) - 1);
double z = ZRange * (2 * (p.Z - minz) / (maxz - minz) - 1);
if (p.OnMouse) gl.PointSize(6);
else gl.PointSize(4);
gl.Begin(OpenGL.GL_POINTS);
gl.Vertex(x, y, z);
gl.End();
}

// GL.DrawPixels

}

gl.Flush();
}

private void DrawText(String s, double x, double y, double z, Color color)
{
OpenGL gl = this.openGLControl1.OpenGL;
var sv = SharpGL.SceneGraph.OpenGLSceneGraphExtensions.Project(gl, new SharpGL.SceneGraph.Vertex((float)x, (float)y, (float)z));
gl.DrawText((int)sv.X, (int)sv.Y, (float)(color.R / 255.0), (float)(color.G / 255.0), (float)(color.B / 255.0), "宋体", FontSize, s);

}

private void drawCNString(string str, float x, float y,float z, OpenGL gl)
{

int i;

// Create the font based on the face name.
var hFont = Win32.CreateFont((int)FontSize+4, 0, 0, 0, Win32.FW_DONTCARE, 0, 0, 0, Win32.DEFAULT_CHARSET,
Win32.OUT_OUTLINE_PRECIS, Win32.CLIP_DEFAULT_PRECIS, Win32.CLEARTYPE_QUALITY, Win32.CLEARTYPE_NATURAL_QUALITY, "宋体");

// Select the font handle.
var hOldObject = Win32.SelectObject(gl.RenderContextProvider.DeviceContextHandle, hFont);
// Create the list base.
var list = gl.GenLists(1);

gl.RasterPos(x, y,z);

// 逐个输出字符
for (i = 0; i < str.Length;i++)
{
bool result = Win32.wglUseFontBitmapsW(gl.RenderContextProvider.DeviceContextHandle, str[i], 1, list);
gl.CallList(list);
}
// 回收所有临时资源
//free(wstring);
gl.DeleteLists(list, 1);
// Reselect the old font.
Win32.SelectObject(gl.RenderContextProvider.DeviceContextHandle, hOldObject);
// Free the font.
Win32.DeleteObject(hFont);
//glDeleteLists(list, 1);
}

/// <summary>
/// 传入坐标集合
/// </summary>
/// <param name="points"></param>
public void ShowPoints(List<Point3D> points)
{
this.points = points;
if (points == null || points.Count == 0) return;

maxx = points[0].X;
minx = points[0].X;
maxy = points[0].Y;
miny = points[0].Y;
maxz = points[0].Z;
minz = points[0].Z;

foreach (Point3D p in points)
{
if (p.X > maxx) maxx = p.X;
if (p.X < minx) minx = p.X;
if (p.Y > maxy) maxy = p.Y;
if (p.Y < miny) miny = p.Y;
if (p.Z > maxz) maxz = p.Z;
if (p.Z < minz) minz = p.Z;

}
//防止直接到边界
maxx += 0.2;
minx -= 0.2;
maxy += 0.2;
miny -= 0.2;
maxz += 0.2;
minz -= 0.2;

}

private void QChart_Load(object sender, EventArgs e)
{

openGLControl1.OpenGLInitialized += OpenGLControl1_OpenGLInitialized;
this.Resize += QChart_Resize;
openGLControl1.MouseDown += on_MouseDown;
openGLControl1.MouseLeave += on_MouseLeave;
openGLControl1.MouseMove += on_MouseMove;
openGLControl1.MouseUp += on_MouseUp;
openGLControl1.MouseWheel += on_MouseWheel;
SetupViewport();
}

private void OpenGLControl1_OpenGLInitialized(object sender, EventArgs e)
{
SetupViewport();
}

private void QChart_Resize(object sender, EventArgs e)
{
SetupViewport();
}

//按键事件
protected override void OnKeyDown(KeyEventArgs e)
{
base.OnKeyDown(e);
if (e.KeyCode == Keys.Space)
{
this._x++;
SetupViewport();
this.Invalidate();
}
}

private void SetupViewport()
{
var w = this.Width;
var h = this.Height;
OpenGL GL = openGLControl1.OpenGL;
GL.MatrixMode(OpenGL.GL_PROJECTION);
GL.LoadIdentity();

GL.Viewport(0, 0, w, h); // Use all of the glControl painting area

if (h == 0) h = 1;
GL.Perspective(60.0f, w / h, 0.01, 100);
GL.LookAt(0, 0, zIndex, 0, 0, 0, 0, 1, 0);
}

private bool msDown = false;//是否鼠标按下
private int oldX = 0;//原始X坐标
private int oldY = 0;
private void on_MouseWheel(object sender, MouseEventArgs e)
{

// MessageBox.Show(e.Delta+"");
if (e.Delta > 0)
{
zIndex += 1;
if (zIndex > 20) zIndex = 20;
}
else if (e.Delta < 0)
{

zIndex -= 1;
if (zIndex < 8) zIndex = 8;
}

SetupViewport();
this.Invalidate();
}
private void on_MouseDown(object sender, MouseEventArgs e)
{
msDown = true;
oldX = e.X;//记录
oldY = e.Y;
Cursor = Cursors.Hand;
;
}

private void on_MouseMove(object sender, MouseEventArgs e)
{

if (points != null && points.Count > 0)
{
OpenGL gl = openGLControl1.OpenGL;
double[] viewmatrix=new double[16];
double[] projection = new double[16];
int[] viewport = new int[4];

gl.GetDouble(OpenGL.GL_MODELVIEW_MATRIX, viewmatrix);
gl.GetDouble(OpenGL.GL_PROJECTION,projection);
gl.GetInteger(OpenGL.GL_VIEWPORT, viewport);

for (int i = 0; i < points.Count; i++)
{
points[i].OnMouse = false;
}

int x = e.X;
int y = e.Y;
for (int i = 0; i < points.Count; i++)
{

var sv = SharpGL.SceneGraph.OpenGLSceneGraphExtensions.Project(gl, new SharpGL.SceneGraph.Vertex((float)points[i].X, (float)points[i].Y, (float)points[i].Z));
if (Math.Abs(sv.X - x) < 3 && Math.Abs(sv.Y - y) < 3)
{
points[i].OnMouse = true;
break;
}
}

}

if (!msDown) return;
int dx = e.X - oldX;
int dy = e.Y - oldY;

if (dy > 0) _rotationx += 0.5f;
else if (dy < 0) _rotationx -= 0.5f;
if (dx > 0) _rotationy += 0.5f;
else if (dx < 0) _rotationy -= 0.5f;
SetupViewport();
this.Invalidate();

}

private void on_MouseUp(object sender, MouseEventArgs e)
{
msDown = false;
Cursor = Cursors.Default;
}

private void on_MouseLeave(object sender, EventArgs e)
{
msDown = false;
}
}

核心代码如下

C#，SharpGL开发的3D图表控件相关推荐

用于金融科技应用开发的高性能图表控件
金钱使世界运转,因此,跟踪和控制金融交易和信息是当今互联世界中任何企业.金融机构或个人最重要的活动之一.为此,你需要金融技术应用. 根据不同的目的,金融技术应用可能有不同的功能,使其符合用户需要.例如 ...
（转）基于MVC4+EasyUI的Web开发框架经验总结（4）--使用图表控件Highcharts
http://www.cnblogs.com/wuhuacong/p/3736564.html 在我们做各种应用的时候,我们可能都会使用到图表统计,以前接触过一些不同的图表控件,在无意中发现了图表控件 ...
C# winform使用scottplot图表控件快速入门设置XY轴缩放
Hello大家好我是开箱测评小汪,在C#项目开发中使用图表控件,有时候我们希望放大或缩小图表控件来看数据细节和整体数据情况.所有本期课程将带介绍Scottplot图表控件如何来实现这个功能. 本期课程 ...
android图表控件坐标,android-charts 基于Java和Android开发的图形图表控件 | 李大仁博客...
王晓龙 April 8th, 2014 at 09:44 | #1 我再github上看到了你写的控件,给了我很大启发,我现在在做K线图一类的图表,正好用到了您开发的这款控件,但是有些地方使用的不太舒 ...
提供多种2D和3D图表类型以及组合图、仪表的图表控件CHARTING
.netCHARTING是一款功能强大的图表控件,利用.NET framework和GDI+为工作于ASP.NET和Winform的C#和VB.NET软件开发人员提供可托管的图表解决方案,提供了多种 ...
android开发原点表框架,Android图表控件MPAndroidChart——LineChart实现 XY轴、原点线的直尺刻度样式...
接上文: Android图表控件MPAndroidChart--曲线图LineChart的使用(多条曲线) 其他相关文章: Android图表控件MPAndroidChart的简单介绍(MPAndro ...
微软图表控件MsChart
转自:http://tech.ddvip.com/2008-11/122640479791375.html 昨天在网上看到了微软发布了.NET 3.5框架下的图表控件,第一时间抓下来看了一下,发觉功能 ...
基于.NET的图表控件解决方案
2019独角兽企业重金招聘Python工程师标准>>> .netCHARTING是一个非常棒的.NET图表控件,对中文支持非常好,而且操作方便,开发快速,既有webform 也有wi ...
ProEssentials实时三维图表控件
原文来自方案网 http://www.fanganwang.com/Product-detail-item-1465.html,欢迎转载. 关键字:图表控件,工业图表,金融图表,工程图表 ProEss ...
三款ActiveX图表控件对比评测 TeeChart VS ProEssentials…
概述:本文分别对几款优秀的ActiveX图表控件:TeeChart Pro ActiveX.ProEssentials.ChartDirector作了优势分析,对比评测,希望对用户的图表选型有所帮助. ...

C#，SharpGL开发的3D图表控件

C#，SharpGL开发的3D图表控件相关推荐

最新文章

热门文章