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Scan Conversion(Circle) - Midpoint Algorithm

Assignment 05.
  1. Use the mid-point circle technique to derive the necessary equations to scan convert the following circular sector (i.e., points from 270o to 315o)
  2. Implement your method and use the circle's symmetric property to draw complete circles.
  3.  
  4. The file is available here (ScanConvertCirclemidpoint.cpp)
  5. Play with it. You will understand..

Comments


  1. this code also correct!!
    void MidpointCircle(GLint x1, GLint y1, GLint x2, GLint y2){
    /********************************************************************
    This function draws a Circle using the Midpoint Circle algorithm for 270 - 315
    *********************************************************************/
    float r1 = (x2-x1)(x2-x1) + (y2-y1)(y2-y1);
    float r = sqrt(r1);
    int x=0,y=-r,p=1-r;
    while(x<=-y)
    {
    plot(x1+x,y1+y);

    if(p<0)
    {
    p=p+2*x+3;
    }
    else
    {

    p=p+2*(x+y)+5;
    y++;
    }
    x++;
    }

    }

    ReplyDelete

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