C# - Plot SIN, COS and TAN Series
I have given here the C# source code to plot the trig. series functions - SIN, COS and TAN
Source Code
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace CSharpPlotTrigSeries
{
public partial class PlotTrigSeries : Form
{
public PlotTrigSeries()
{
InitializeComponent();
}
public void PutPixel(Graphics g, int x, int y, Color c)
{
Bitmap bm = new Bitmap(1, 1);
bm.SetPixel(0, 0, c);
g.DrawImageUnscaled(bm, x, y);
}
bool m_bPlotSinSeries = true;
bool m_bPlotCosSeries = true;
bool m_bPlotTanSeries = true;
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
g.Clear(Color.White);
Rectangle rect = new Rectangle(0, 0, 500, 400);
int margin = 50;
int width = rect.Width - margin * 2;
int height = rect.Height - margin * 2;
Pen tPen = new Pen(Color.Black);
g.DrawRectangle(tPen, 0 + margin / 2, 0 + margin / 2, width, height);
g.DrawLine(tPen, 0 + margin / 2, margin / 2 + height / 2, width + margin / 2, margin / 2 + height / 2);
double legendypos = margin;
double legendxpos = margin;
double PI = Math.PI;
if (m_bPlotSinSeries == true)
{
tPen = new Pen(Color.Red);
Brush br = new SolidBrush(Color.Red);
for (double i = 0; i <= 720.01; i += 0.1)
{
double value = Math.Sin(i * PI / 180);
value += 1.0;
int ypos = (int)(value / 2.0 * height + margin / 2);
int xpos = (int)(i / 720.0 * width + margin / 2);
PutPixel(g, xpos, ypos, Color.Red);
if ((Convert.ToInt32(i) % 90) == 0)
{
g.DrawLine(tPen, xpos, margin / 2 + height / 2 - 5, xpos, margin / 2 + height / 2 + 5);
g.DrawString(Convert.ToInt32(i).ToString(), Font, br, xpos - 10, margin / 2 + height / 2 + 10, StringFormat.GenericDefault);
}
}
g.DrawString("SIN Series - RED Color", Font, br, (float)legendxpos, (float)legendypos, StringFormat.GenericDefault);
legendypos += 20;
}
if (m_bPlotCosSeries == true)
{
tPen = new Pen(Color.Blue);
Brush br = new SolidBrush(Color.Blue);
for (double i = 0; i <= 720.01; i += 0.1)
{
double value = Math.Cos(i * PI / 180);
value += 1.0;
int ypos = (int)(value / 2.0 * height + margin / 2);
int xpos = (int)(i / 720.0 * width + margin / 2);
PutPixel(g, xpos, ypos, Color.Blue);
if ((Convert.ToInt32(i) % 90) == 0)
{
g.DrawLine(tPen, xpos, margin / 2 + height / 2 - 5, xpos, margin / 2 + height / 2 + 5);
g.DrawString(Convert.ToInt32(i).ToString(), Font, br, xpos - 10, margin / 2 + height / 2 + 10, StringFormat.GenericDefault);
}
}
g.DrawString("COS Series - BLUE Color", Font, br, (float)legendxpos, (float)legendypos, StringFormat.GenericDefault);
legendypos += 20;
}
if (m_bPlotTanSeries == true)
{
double factor = 10; // Don't use this factor, it is only for drawing purpose.
tPen = new Pen(Color.DarkBlue);
Brush br = new SolidBrush(Color.DarkBlue);
for (double i = 0; i <= 720.01; i += 0.1)
{
double value = Math.Tan(i * PI / 180);
if (value > factor)
value = factor;
if (value < -factor)
value = -factor;
value += factor;
int ypos = (int)(value / (factor * 2) * height + margin / 2);
int xpos = (int)(i / 720.0 * width + margin / 2);
PutPixel(g, xpos, ypos, Color.DarkBlue);
if ((Convert.ToInt32(i) % 90) == 0)
{
g.DrawLine(tPen, xpos, margin / 2 + height / 2 - 5, xpos, margin / 2 + height / 2 + 5);
g.DrawString(Convert.ToInt32(i).ToString(), Font, br, xpos - 10, margin / 2 + height / 2 + 10, StringFormat.GenericDefault);
}
}
g.DrawString("TAN Series - DarkBlue Color", Font, br, (float)legendxpos, (float)legendypos, StringFormat.GenericDefault);
legendypos += 20;
}
g.Dispose();
}
private void tanSeriesToolStripMenuItem_CheckedChanged(object sender, EventArgs e)
{
m_bPlotTanSeries = tanSeriesToolStripMenuItem.Checked;
}
private void cosSeriesToolStripMenuItem_CheckedChanged(object sender, EventArgs e)
{
m_bPlotCosSeries = cosSeriesToolStripMenuItem.Checked;
}
private void sinSeriesToolStripMenuItem_CheckedChanged(object sender, EventArgs e)
{
m_bPlotSinSeries = sinSeriesToolStripMenuItem.Checked;
}
private void sinSeriesToolStripMenuItem_Click(object sender, EventArgs e)
{
sinSeriesToolStripMenuItem.Checked = !sinSeriesToolStripMenuItem.Checked;
Invalidate();
}
private void cosSeriesToolStripMenuItem_Click(object sender, EventArgs e)
{
cosSeriesToolStripMenuItem.Checked = !cosSeriesToolStripMenuItem.Checked;
Invalidate();
}
private void tanSeriesToolStripMenuItem_Click(object sender, EventArgs e)
{
tanSeriesToolStripMenuItem.Checked = !tanSeriesToolStripMenuItem.Checked;
Invalidate();
}
}
}
namespace CSharpPlotTrigSeries
{
partial class PlotTrigSeries
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.menuStrip1 = new System.Windows.Forms.MenuStrip();
this.plotToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.sinSeriesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.cosSeriesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.tanSeriesToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.menuStrip1.SuspendLayout();
this.SuspendLayout();
//
// menuStrip1
//
this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.plotToolStripMenuItem});
this.menuStrip1.Location = new System.Drawing.Point(0, 0);
this.menuStrip1.Name = "menuStrip1";
this.menuStrip1.Size = new System.Drawing.Size(492, 24);
this.menuStrip1.TabIndex = 0;
this.menuStrip1.Text = "menuStrip1";
//
// plotToolStripMenuItem
//
this.plotToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.sinSeriesToolStripMenuItem,
this.cosSeriesToolStripMenuItem,
this.tanSeriesToolStripMenuItem});
this.plotToolStripMenuItem.Name = "plotToolStripMenuItem";
this.plotToolStripMenuItem.Size = new System.Drawing.Size(37, 20);
this.plotToolStripMenuItem.Text = "Plot";
//
// sinSeriesToolStripMenuItem
//
this.sinSeriesToolStripMenuItem.Checked = true;
this.sinSeriesToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
this.sinSeriesToolStripMenuItem.Name = "sinSeriesToolStripMenuItem";
this.sinSeriesToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.sinSeriesToolStripMenuItem.Text = "Sin Series";
this.sinSeriesToolStripMenuItem.CheckedChanged += new System.EventHandler(this.sinSeriesToolStripMenuItem_CheckedChanged);
this.sinSeriesToolStripMenuItem.Click += new System.EventHandler(this.sinSeriesToolStripMenuItem_Click);
//
// cosSeriesToolStripMenuItem
//
this.cosSeriesToolStripMenuItem.Checked = true;
this.cosSeriesToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
this.cosSeriesToolStripMenuItem.Name = "cosSeriesToolStripMenuItem";
this.cosSeriesToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.cosSeriesToolStripMenuItem.Text = "Cos Series";
this.cosSeriesToolStripMenuItem.CheckedChanged += new System.EventHandler(this.cosSeriesToolStripMenuItem_CheckedChanged);
this.cosSeriesToolStripMenuItem.Click += new System.EventHandler(this.cosSeriesToolStripMenuItem_Click);
//
// tanSeriesToolStripMenuItem
//
this.tanSeriesToolStripMenuItem.Checked = true;
this.tanSeriesToolStripMenuItem.CheckState = System.Windows.Forms.CheckState.Checked;
this.tanSeriesToolStripMenuItem.Name = "tanSeriesToolStripMenuItem";
this.tanSeriesToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.tanSeriesToolStripMenuItem.Text = "Tan Series";
this.tanSeriesToolStripMenuItem.CheckedChanged += new System.EventHandler(this.tanSeriesToolStripMenuItem_CheckedChanged);
this.tanSeriesToolStripMenuItem.Click += new System.EventHandler(this.tanSeriesToolStripMenuItem_Click);
//
// PlotTrigSeries
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(492, 373);
this.Controls.Add(this.menuStrip1);
this.MainMenuStrip = this.menuStrip1;
this.Name = "PlotTrigSeries";
this.Text = "CSharp - Plot Trig Series - softwareandfinance.com";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
this.menuStrip1.ResumeLayout(false);
this.menuStrip1.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private System.Windows.Forms.MenuStrip menuStrip1;
private System.Windows.Forms.ToolStripMenuItem plotToolStripMenuItem;
private System.Windows.Forms.ToolStripMenuItem sinSeriesToolStripMenuItem;
private System.Windows.Forms.ToolStripMenuItem cosSeriesToolStripMenuItem;
private System.Windows.Forms.ToolStripMenuItem tanSeriesToolStripMenuItem;
}
}
using System;
using System.Collections.Generic;
using System.Windows.Forms;
namespace CSharpPlotTrigSeries
{
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new PlotTrigSeries());
}
}
}
Click here to download the source code and executable
Output
|
|