combineD3

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

int main(int argc,char *argv[])
{
    FILE *fpi1,*fpi2,*fpo;
    int i,j,height1,width1,height2,width2;
    float dn1;
    int x,y;
    int re;
    int ix,iy;
    int iw,ih,iW,iH;
    float *file1,*file2;//,*file3;

    if(argc!=11)
    {
        fprintf(stderr,"Usage: %s\n(2)Input_file1_filename\n(3)Input_file2_filename\n(4)Output_new_filename\n(5)width1\n(6)height1\n(7)width2\n(8)height2\n(9)x\n(10)y\n(11)re\n",argv[0]);
        exit(1);
    }

    printf("OPEN R FILE NAME:%s\n",argv[1]);
    printf("OPEN NIR FILE NAME:\%s\n",argv[2]);
    printf("OPEN OUTPUT FILE NAME:%s\n",argv[3]);

    width1 = atoi(argv[4]); printf("W = %d,", width1); //large
    iw=width1/10;

    height1 = atoi(argv[5]); printf("H = %d\n", height1);//large
    ih=height1/10;

    width2 = atoi(argv[6]); printf("W = %d,", width2); //small
    iW=width2/10;

    height2 = atoi(argv[7]); printf("H = %d\n", height2); //small
    iH=height2/10;

    x = atoi(argv[8]); printf("X = %d\n" , x); //upper Left
    y = atoi(argv[9]); printf("Y = %d\n" , y); //upper Left

    re = atoi(argv[10]); printf("RE = %d\n" , re);
    ix=x*re/10; //image coordinate of upper left : X
    iy=y*re/10; //image coordinate of upper left : Y

    printf("check00\n");

    file1= (float *)malloc(iw*ih*sizeof(float)); //large
    file2= (float *)malloc(iW*iH*sizeof(float)); //small
    //file3= (float *)malloc(width1*height1*sizeof(float));

    //   printf("check0\n");

    //large
    if((fpi1=fopen(argv[1],"rb+"))==NULL)
    {
        fprintf(stderr,"input file open error\n");
        exit(1);
    }
    printf("check0-1\n");
    fread((float *)file1,sizeof(float),iw*ih,fpi1);//large
    printf("check0-2\n");

    //small
    if((fpi2=fopen(argv[2],"rb"))==NULL)
    {
        fprintf(stderr,"input file open error\n");
        exit(1);
    }
    printf("check0-3\n");
    fread((float *)file2,sizeof(float),iW*iH,fpi2);//small
    printf("check0-4\n");
    /*
     if((fpo=fopen(argv[3],"wb"))==NULL)
     {
     fprintf(stderr,"output file open error\n");
     exit(1);
     }
     */
    //fread((float *)file3,sizeof(float),width1*height1,fpo);
    printf("check1\n");

    for(i=0;i<ih;i++)
    {
        for(j=0;j<iw;j++)
        {
            if(i>iy && i<iy+iH && j>ix && j<ix+iW)
            {
                file1[i*iw+j]=file2[(i-iy)*iW+(j-ix)];
            }
            //else
            // {
            // dn1=file1[i*iw+j];
            //}
            //printf("check3\n");
            //fwrite(&dn1,sizeof(float),1,fpo);
            //printf("i=%d j=%d dn1=%f\n",i,j,dn1);
        }
    }



    printf("check2\n");

    free(file1);
    free(file2);
    //free(file3);
    fclose(fpi1);
    fclose(fpi2);
    fclose(fpo);

}