[ITK] [ITK-users] cannot find -lITKNumerics

[Ais]

I have changed the CMakeList.txt as you say, then I cmake it and creat a
makefile,when I make ,taht notes:
CMakeFiles/LinuxCutImage.dir/src/LinuxCutImage.o: In function `main':
LinuxCutImage.cxx:(.text.startup+0x126): undefined reference to
`C3DImage::C3DImage()'
LinuxCutImage.cxx:(.text.startup+0x13e): undefined reference to
`C3DImage::C3DImage()'
LinuxCutImage.cxx:(.text.startup+0x14e): undefined reference to
`C3DImage::ReadFromITKFile(char*)'
LinuxCutImage.cxx:(.text.startup+0x1c4): undefined reference to
`C3DImage::set_size(int, int, int)'
LinuxCutImage.cxx:(.text.startup+0x1e5): undefined reference to
`C3DImage::set_spacing(float, float, float)'
LinuxCutImage.cxx:(.text.startup+0x357): undefined reference to
`C3DImage::WriteToITKFile(char*)'
collect2: error: ld returned 1 exit status
make[2]: *** [LinuxCutImage] Error 1
make[1]: *** [CMakeFiles/LinuxCutImage.dir/all] Error 2
make: *** [all] Error 2
following my LinuxCutImage.cxx
#include <fstream>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

//#include "SimpleApp.h"
#include "itkExceptionObject.h"

#include "globaldefinition.h"
#include "commonfunctions.h"

#include "image3d.h"

extern int optopt;
extern int optind;
extern char *optarg;
extern int opterr;

using namespace std;

void showUsage(char *filename)
{
  std::cout << "This program cuts an image." << std::endl;
  std::cout << std::endl;
  std::cout << "Usage: "<<std::endl;
  std::cout<<std::endl;
  std::cout<<"program inputimage outputimage bx ex by ey bz
ez"<<std::endl;
  std::cout<<std::endl;
  std::cout<<"contact: zxue"<<std::endl;
}

// main program

int main(int argc, char *argv[])
{
  char inputimagefilename[200], outputimagefilename[200];
  int bx,ex,by,ey,bz,ez;
  
  if (argc==9)
  {
    strcpy(inputimagefilename, argv[1]);
    strcpy(outputimagefilename, argv[2]);
    sscanf(argv[3], "%d", &bx);
    sscanf(argv[4], "%d", &ex);
    sscanf(argv[5], "%d", &by);
    sscanf(argv[6], "%d", &ey);
    sscanf(argv[7], "%d", &bz);
    sscanf(argv[8], "%d", &ez);
  }
  else
  {
    showUsage(argv[0]);
    exit(1);
  }  
  
  C3DImage *inputimage, *outputimage;
  inputimage = new C3DImage;
  outputimage = new C3DImage;
  inputimage->ReadFromITKFile(inputimagefilename);

  int XX,YY,ZZ;

  XX = ex-bx+1;
  YY = ey-by+1;
  ZZ = ez-bz+1;

  if ((XX<1)||(YY<1)||(ZZ<1)) 
  {
    cout<<"The small image size you input is not correct."<<endl;
    showUsage(argv[0]);
    exit(1);
  }

  outputimage->set_size(XX,YY,ZZ);
  outputimage->set_spacing(inputimage->vsX, inputimage->vsY,
inputimage->vsZ);
  
  int x,y,z;
  int nx,ny,nz;

  for (z=0;z<ZZ;z++)
    for (y=0;y<YY;y++)
      for (x=0;x<XX;x++)
        {
           nx = x+bx;
                    ny = y+by;
        nz = z+bz;
     if
((nx>=0)&&(ny>=0)&&(nz>=0)&&(nx<inputimage->X)&&(ny<inputimage->Y)&&(nz<inputimage->Z))
    {
      outputimage->img[nz][ny][nx] = inputimage->img[z][y][x];
    }
    else
      outputimage->img[nz][ny][nx] = -2000;
  }
  
  outputimage->WriteToITKFile(outputimagefilename); 
  return 0;
}





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