Tuesday, August 21, 2012

3 D Transformation c Program Code with output Computer Graphics lab


3 D Transformation c Program Code with output Computer Graphics lab




Coding :

 

//3d transformation 2910007 sasi

#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<math.h>

void trans();

//void axis();

void scale();

void rotate();

int maxx,maxy,midx,midy;

/*void axis()

{

//          getch();

  //        cleardevice();

            line(midx,0,midx,maxy);

            line(0,midy,maxx,midy);

}*/

void main()

{

            int ch;

            int gd=DETECT,gm;

            detectgraph(&gd,&gm);

            initgraph(&gd,&gm,"e:\\tc\\bgi");

            printf("\n 1.Translation \n2.Scaling\n 3.Rotation \n 4.exit");

            printf("enter your choice");

            scanf("%d",&ch);

            do

            {

                        switch(ch)

                        {

                                    case 1 :             trans();

                                                            getch();

                                                      //    closegraph();

                                                            break;

 

                                    case 2 :             scale();

                                                            getch();

                                                      //    closegraph();

                                                            break;

 

                                    case 3 :             rotate();

                                                            getch();

                                                    //      closegraph();

                                                            break;

 

                                    case 4 :        break;

                        }

                        printf("enter your choice");

                        scanf("%d",&ch);

            } while(ch<4);

}

void trans()

{

            int x,y,z,o,x1,x2,y1,y2;

            maxx=getmaxx();

            maxy=getmaxy();

            midx=maxx/2;

            midy=maxy/2;

            //axis();

            bar3d(midx+50,midy-100,midx+60,midy-90,10,1);

            printf("Enter translation factor");

            scanf("%d%d",&x,&y);

            printf("After translation:");

            bar3d(midx+x+50,midy-(y+100),midx+x+60,midy-(y+90),10,1);

}

void scale()

{

            int x,y,z,o,x1,x2,y1,y2;

            maxx=getmaxx();

            maxy=getmaxy();

            midx=maxx/2;

            midy=maxy/2;

            //axis();

            bar3d(midx+50,midy-100,midx+60,midy-90,5,1);

            printf("before translation\n");

            printf("Enter scaling factors\n");

            scanf("%d %d %d", &x,&y,&z);

            printf("After scaling\n");

            bar3d(midx+(x*50),midy-(y*100),midx+(x*60),midy-(y*90),5*z,1);

}

void rotate()

{

            int x,y,z,o,x1,x2,y1,y2;

            maxx=getmaxx();

            maxy=getmaxy();

            midx=maxx/2;

            midy=maxy/2;

            //axis();

            bar3d(midx+50,midy-100,midx+60,midy-90,5,1);

            printf("Enter rotating angle");

            scanf("%d",&o);

            x1=50*cos(o*3.14/180)-100*sin(o*3.14/180);

            y1=50*sin(o*3.14/180)+100*cos(o*3.14/180);

            x2=60*cos(o*3.14/180)-90*sin(o*3.14/180);

            y2=60*sin(o*3.14/180)+90*cos(o*3.14/180);

   //       axis();

    //      printf("After rotation about z axis");

    //      bar3d(midx+x1,midy-y1,midx+x2,midy-y2,5,1);

            //axis();

            printf("After rotation  about x axis");

            bar3d(midx+50,midy-x1,midx+60,midy-x2,5,1);

            //axis();

            printf("After rotation about yaxis");

            bar3d(midx+x1,midy-100,midx+x2,midy-90,5,1);

}





output   : 


Translation:






Scaling :






Rotation  :




--
Hackerx Sasi
Don't ever give up.
Even when it seems impossible,
Something will always
pull you through.
The hardest times get even
worse when you lose hope.
As long as you believe you can do it, You can.

But When you give up,
You lose !
I DONT GIVE UP.....!!!

with regards
prem sasi kumar arivukalanjiam

13 comments:

  1. more than ur pgm i like ur final quote....

    ReplyDelete
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  2. before doing something plz plz think logically

    ReplyDelete
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  4. sir, why your code can't run in my program?

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  5. Why coefficients 50 100 60 and 90 used?? Please explain?

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