inverse_normal

/*********************************************************************************
 Input file : ASCII - space separated file (x,y,z)
 Processing : ascii to binary
 Output file : binary

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

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

int main(int argc, char *argv[])
{
    //Decralation of variables
    FILE *fpi,*fpo;

    float points[3];//coordinates
    unsigned char colors[3];
    float normals[3];
    float c_x,c_y,c_z;//inverse coordinates

        //int num=397;

    if(argc!=3)
    {
                fprintf(stderr,"Usage: %s (1)input_textfile\n(2)output_xyz FILENAME\n",argv[0]);
                exit(1);
    }

    //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;
    }

        //points=(float *)malloc(num*3*sizeof(float));
        //fread((float *)points,sizeof(float),1,fpi);

    while(fscanf(fpi,"%f %f %f %d %d %d %f %f %f",&points[0],&points[1],&points[2],&colors[0],&colors[1],&colors[2],&normals[0],&normals[1],&normals[2])!=EOF)
    {

        //printf("%f %f %f %d %d %d\n",points[0],points[1],points[2],colors[0],colors[1],colors[2]);
        if(normals[2]<0)
        {
            c_x=-1*normals[0];
            c_y=-1*normals[1];
            c_z=-1*normals[2];
            fprintf(fpo,"%f %f %f %d %d %d %f %f %f\n",points[0],points[1],points[2],colors[0],colors[1],colors[2],c_x,c_y,c_z);
        }
        else
    {
        fprintf(fpo,"%f %f %f %d %d %d %f %f %f\n",points[0],points[1],points[2],colors[0],colors[1],colors[2],normals[0],normals[1],normals[2]);
}
    }

    fclose(fpi);
    fclose(fpo);
}