Networking Stuffs

Tuesday, October 9, 2018

c program for Hilbert's Curve computer graphics

#include <stdio.h>
#include <stdlib.h>
#include <dos.h>
#include <graphics.h>
#include <conio.h>

void move(int j, int h, int &x, int &y)
{
if(j==1)
y-=h;
else if(j==2)
x+=h;
else if(j==3)
y+=h;
else if(j==4)
x-=h;
lineto(x,y);
delay(10);
}

void hilbert(int r,int d,int l,int u,int i,int h,int &x,int &y)
{
if(i>0)
{
i--;
hilbert(d,r,u,l,i,h,x,y);
move(r,h,x,y);
hilbert(r,d,l,u,i,h,x,y);
move(d,h,x,y);
hilbert(r,d,l,u,i,h,x,y);
move(l,h,x,y);
hilbert(u,l,d,r,i,h,x,y);
}
}

void main()
{
int n,x1,y1;
int x0=50,y0=150,x,y,h=10,r=2,d=3,l=4,u=1;
printf("\nGive the value of n: ");
scanf("%d",&n);
x=x0;y=y0;
int gm,gd=DETECT;
initgraph(&gd,&gm,NULL);
moveto(x,y);
hilbert(r,d,l,u,n,h,x,y);
getch();
closegraph();
}

C program for Koch curve Computer graphics

#include<graphics.h>
#include<conio.h>
#include<math.h>

void koch(int x1, int y1, int x2, int y2, int it)
{
float angle = 60*M_PI/180;
int x3 = (2*x1+x2)/3;
int y3 = (2*y1+y2)/3;

int x4 = (x1+2*x2)/3;
int y4 = (y1+2*y2)/3;

int x = x3 + (x4-x3)*cos(angle)+(y4-y3)*sin(angle);
int y = y3 - (x4-x3)*sin(angle)+(y4-y3)*cos(angle);

if(it > 0)
{
koch(x1, y1, x3, y3, it-1);
koch(x3, y3, x, y, it-1);
koch(x, y, x4, y4, it-1);
koch(x4, y4, x2, y2, it-1);
}
else
{

line(x1, y1, x3, y3);
line(x3, y3, x, y);
line(x, y, x4, y4);
line(x4, y4, x2, y2);
}
}

int main(void)
{
int gd = DETECT, gm,i,n, x1 = 100, y1 = 100, x2 = 400, y2 = 400;
initgraph(&gd,&gm,"");
printf("Enter number of interations");
scanf("%d",&n);
for(i=0;i<n;i++)
{
cleardevice();
koch(x1, y1, x2, y2, i);
getch();
}
return 0;
}

C Program for Bezier Curve (computer graphics)

#include <stdio.h>
#include <graphics.h>
#include <conio.h>
int maxx,maxy;
float xxx[4][2];

void line1(float x2,float y2)
{
line(xxx[0][0],xxx[0][1],x2,y2);
delay(10);
xxx[0][0]=x2;
xxx[0][1]=y2;
}

void bezier(float xb,float yb,float xc,float yc,float xd,float yd,int n)
{
float xab,yab,xbc,ybc,xcd,ycd;
float xabc,yabc,xbcd,ybcd;
float xabcd,yabcd;
if (n==0)
{
line1(xb,yb);
line1(xc,yc);
line1(xd,yd);
}
else
{
xab = (xxx[0][0]+xb)/2;
yab = (xxx[0][1]+yb)/2;
xbc = (xb+xc)/2;
ybc = (yb+yc)/2;
xcd = (xc+xd)/2;
ycd = (yc+yd)/2;
xabc = (xab+xbc)/2;
yabc = (yab+ybc)/2;
xbcd = (xbc+xcd)/2;
ybcd = (ybc+ycd)/2;
xabcd = (xabc+xbcd)/2;
yabcd = (yabc+ybcd)/2;
n=n-1;
bezier(xab,yab,xabc,yabc,xabcd,yabcd,n);
bezier(xbcd,ybcd,xcd,ycd,xd,yd,n);
}
}
main()
{
int gd=DETECT,gm,i;
float temp1,temp2;
initgraph(&gd,&gm,"");
for(i=0;i<4;i++)
{
printf("Enter (x,y) coordinates of point%d : ",i+1);
scanf("%f%f",&temp1,&temp2);
putpixel(temp1,temp2,15);
xxx[i][0] = temp1;
xxx[i][1] = temp2;
}
bezier(xxx[1][0],xxx[1][1],xxx[2][0],xxx[2][1],xxx[3][0],xxx[3][1],8);
getch();
closegraph();
}

Monday, September 24, 2018

Computer Graphics 22318 Sample Question Paper Download

Thursday, August 23, 2018

Information Security MSBTE Model Answer Winter 2017 PDF

Information Security 17518 Model Answer Summer 2018

Thursday, March 15, 2018

Web Page Designing with HTML Experiment No. 1

Create web Page using structure tags to display sample message.

<!doctype html>
<html>
<head>
<title>First Example</title>
</head>
<body>
Welcome to HTML World
</body>
</html>

Pages

Tuesday, October 9, 2018

Monday, September 24, 2018

Thursday, August 23, 2018

Thursday, March 15, 2018