normal2psuedo

//*********************************************

//Psuedo Color


//***********************************************//


#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(int argc, char *argv[])
{
    //Decralation of variables
    FILE *fpi,*fpo;
    float x,y,z,nx,ny,nz;
    float fnx,fny,fnz;
    float pr,pg,pb;
    unsigned char upr,upg,upb;
    float wr,wg,wb;
    float fr,fg,fb;
    unsigned char ar,ag,ab;
    unsigned char unx,uny,unz,r,g,b;
    char point[4];

    //Open CSV file
    if((fpi=fopen(argv[1],"r"))==NULL)
    {
        printf ("The file can't be opened. The program is exit.\n");

        return 0;
    }

    //Open VTK file for save
    if((fpo=fopen(argv[2],"w"))==NULL)
    {
        printf("The file can't be opened. The program is exit.\n");

        return 0;
    }

    //Initialization of paramaters
    ar=255;
    ag=255;
    ab=255;
    wr=2*3.14/255;
    wg=3*3.14/255;
    wb=4*3.14/255;
    fr=0;
    fg=0.3*3.14;
    fb=0.6*3.14;

    while(fscanf(fpi,"%f %f %f %d %d %d %f %f %f",&x,&y,&z,&r,&g,&b,&nx,&ny,&nz)!=EOF)
    {
            //printf("%f %f %f\n",x,y,z);
        fnx=(nx+1)*255/2;
        fny=(ny+1)*255/2;
        fnz=(nz+1)*255/2;
            unx=(unsigned char)fnx;
            uny=(unsigned char)fny;
            unz=(unsigned char)fnz;
        //printf("wr=%f\n",sin(wr*unx+fr));
        //printf("wg=%f\n",sin(wg*uny+fg));
        //printf("wb=%f\n",sin(wb*unz+fb));
        //printf("wrabs=%f\n",fabs(sin(wr*unx+fr)));
        //printf("wgabs=%f\n",fabs(sin(wg*uny+fg)));
        //printf("wbabs=%f\n",fabs(sin(wb*unz+fb)));
            pr=ar*fabs(sin(wr*unx+fr));
            pg=ag*fabs(sin(wg*uny+fg));
            pb=ab*fabs(sin(wb*unz+fb));
            upr=(char)pr;
            upg=(char)pg;
            upb=(char)pb;
        //printf("%f %f %f %f %f %f\n",x,y,z,pr,pg,pb);
        //printf("%d %d %d\n",upr,upg,upb);
            fprintf(fpo,"%f %f %f %d %d %d\n",x,y,z,upr,upg,upb);

    }

        fclose(fpi);
        fclose(fpo);

}