分形图形.美丽的复变函数(图,评,代码)

 

程序实现的图形为:

 

       图形1:复变函数 f(z)=z1*z2+0.2541;
                                         其中   z1=3*x+(3/11)*y*i;
                                                     z2=(3*7)*x+3*y*i;

          ///DrawPicture(e,0.2541);
          ///mult(x*3,y*3/11,x*3/7,y*3,ref x,ref y);

 

         数学的美丽,是一种抽象的美。

         可是,如果您是有心人,如果您发自内心的喜爱那音律般的美丽,那“计算”的节奏,或紧迫,或舒缓,有如天籁般的声音,您就会不由自主的去捕捉……

 

         记得有一次去武汉音乐学院的主页去,看到一篇论文,讲的是演化计算来“谱写”音乐。原来音乐家早已心有戚戚焉……

         捕捉“音律”,或需要些专业知识。可是,把那节奏,那韵律,转化为像素,却是你我都能做到的----哦,分形,这里又是你的灵魂的舞台,像素点就是你轻快的舞步落处,你是否愿意与我共舞一曲?

         来吧,让我牵起你的手……

         来吧,您也加入吧……

 

         图形1是我最喜欢的一幅,看中间浮雕般的效果,我心里渐渐的涌起一股感动:多么具有古典气质的图案呵,千百年来,她竟然隐身于这幅分形图形当中。

         代码如下(c#):

 

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

 

namespace picture

{

     ///

     /// Form1 的摘要说明。

     ///

     public class Form1 : System.Windows.Forms.Form

     {

         ///

         /// 必需的设计器变量。

         ///

          private System.ComponentModel.Container components = null;

 

          private Pen redPen=new Pen(Color.Red,0);

          private Pen greenPen=new Pen(Color.Green,0);

          private Random randNum=new

                      Random(unchecked((int)DateTime.Now.Ticks));

 

          private double zoom=2.0;

          private double attract=0.0001;

 

         public Form1()

         {

              //

              // Windows 窗体设计器支持所必需的

              //

              InitializeComponent();

 

              //

              // TODO: 在 InitializeComponent 调用后添加任何构造函数代码

              //

              this.BackColor=Color.Green;

         }

 

         ///

         /// 清理所有正在使用的资源。

         ///

          protected override void Dispose( bool disposing )

         {

              if( disposing )

              {

                   if (components != null)

                   {

                        components.Dispose();

                   }

              }

              base.Dispose( disposing );

         }

 

          #region Windows Form Designer generated code

         ///

         /// 设计器支持所需的方法 - 不要使用代码编辑器修改

         /// 此方法的内容。

         ///

          private void InitializeComponent()

         {

              //

              // Form1

              //

              this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

              this.BackColor = System.Drawing.Color.LightGreen;

              this.ClientSize = new System.Drawing.Size(488, 333);

              this.Name = "Form1";

              this.Text = "美丽的分形(复变函数)";

              this.WindowState=System.Windows.Forms.FormWindowState.Maximized;

 

         }

          #endregion

 

         ///

         /// 应用程序的主入口点。

         ///

          [STAThread]

         static void Main()

         {

              Application.Run(new Form1());

         }

         ///

         /// 重载 OnPaint

         ///

         ///

          protected override void OnPaint(PaintEventArgs e)

         {

              DrawPicture(e,0.2541);

              base.OnPaint(e);

         }

 

         ///

         /// 绘制分形图形

         ///

         ///

         ///

          private void DrawPicture(PaintEventArgs e,double number)

         {

              Graphics dc= e.Graphics;

 

              double scale,mag,x,y;

              double maxX=this.Width,maxY=this.Height;

              scale=2.0*zoom/maxY;

              bool bContinue;

              int iter;

 

              for(int i=0;i

              {

                   for(int j=0;j

                   {

                    x=scale*i-zoom;

                        y=zoom-scale*j;

                        bContinue=true;

 

                        iter=0;

                        while(bContinue)

                       {

                            mult(x*3,y*3/11,x*3/7,y*3,ref x,ref y);

                            x=x+number;

                            mag=x*x+y*y;

                            if(mag

                                 bContinue=false;

                            else

                                 if((mag<100)&&(iter<10000000)) iter+=1;

                                else

                                {

                                    if(iter%2 ==1)//

                                     dc.DrawEllipse(redPen,i+100,j,1,1);

                                    else

                                     dc.DrawEllipse(greenPen,i+100,j,1,1);

 

                                      bContinue=false;

                                }

                       }

 

                   }

              }

         }

 

         ///

         /// 迭代复变函数(部分)

         ///

         ///

         ///

         ///

         ///

         ///

         ///

          private void mult(double x1,double y1,double x2,

                               double y2, ref double x, ref double y)

         {

             x=x1*x2-y1*y2;

              y=x1*y2+x2*y1;

         }

     }

}

 

 

图形2:复变函数 f(z)=z1*z2+0.384;
                                         其中   z1=3*x+(3/11)*y*i;
                                                     z2=(3*7)*x+3*y*i;

         ///DrawPicture(e,0.384);
         ///mult(x*3,y*3/11,x*3/7,y*3,ref x,ref y);

 

图形3:复变函数 f(z)=z1*z2+0.654;
                                         其中   z1=x+y*i;
                                                     z2=(2*5)*x+(2/9)*y*i;

         ///DrawPicture(e,0.654);
         ///mult(x,y,x*2/5,y*2/9,ref x,ref y);

 

图形4:复变函数 f(z)=z1*z1+0.384;
                                         其中   z1=x+y*i;

         ///DrawPicture(e,0.384);

         ///mult(x,y,x,y,ref x,ref y);

 

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