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#include <iostream>
#include <fstream>
#include <algorithm>
#include <minc_1_simple.h>
#include <assert.h>
#include <string.h>
// for get_opt_long
#include <getopt.h>
#include <unistd.h>
#include <minc_1_simple_rw.h>
using namespace std;
using namespace minc;
static void show_usage(const char *name)
{
std::cerr
<< "Usage: "<<name<<" <output_grid_mnc>" << std::endl
<< "Optional parameters:" << std::endl
<< "\t--verbose be verbose" << std::endl
<< "\t--clobber clobber the output files" << std::endl
<< "\t--version print version" << std::endl ;
}
int main (int argc, char **argv)
{
int clobber=0;
int verbose=0;
// read the arguments
static struct option long_options[] =
{
{"verbose", no_argument, &verbose, 1},
{"quiet", no_argument, &verbose, 0},
{"clobber", no_argument, &clobber, 1},
{"version", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
int c;
for (;;)
{
/* getopt_long stores the option index here. */
int option_index = 0;
c = getopt_long (argc, argv, "vt:m:", long_options, &option_index);
/* Detect the end of the options. */
if (c == -1)
break;
switch (c)
{
case 0:
break;
case 'v':
cout << "Version: 1.0" << endl;
return 0;
case '?':
/* getopt_long already printed an error message. */
default:
show_usage(argv[0]);
return 1;
}
}
if ((argc - optind) < 1)
{
show_usage(argv[0]);
return 1;
}
std::string output =argv[optind];
if(!clobber && !access (output.c_str(), F_OK))
{
std::cerr << output.c_str () << " Exists!" << std::endl;
return 1;
}
try
{
minc_info output_info_grid;
const size_t nx=20,ny=20,nz=20;
const double step=10;
const double start_x=-100,start_y=-100,start_z=-100;
const double amp=2.0; // amplitude of the harmonic deformation
// describe minc volume
output_info_grid.push_back(
dim_info(3,0,1,dim_info::DIM_VEC,false));
output_info_grid.push_back(
dim_info(nx,start_x,step,dim_info::DIM_X,false));
output_info_grid.push_back(
dim_info(ny,start_y,step,dim_info::DIM_Y,false));
output_info_grid.push_back(
dim_info(nz,start_z,step,dim_info::DIM_Z,false));
//allocate volume
minc::minc_grid_volume grid(nx,ny,nz);
//assign coordinates
grid.start()=IDX<double>(start_x,start_y,start_z);
grid.step()=IDX<double>(step,step,step);
for(size_t x=0;x<nx;x++)
for(size_t y=0;y<ny;y++)
for(size_t z=0;z<nz;z++)
{
fixed_vec<3,double> pos=grid.voxel_to_world(IDX<size_t>(x,y,z));
fixed_vec<3,float> def;
def[0]=amp*sin(M_PI*pos[0]/100.0);
def[1]=amp*sin(2*M_PI*pos[1]/100.0);
def[2]=amp*cos(3*M_PI*pos[2]/100.0);
grid.set(x,y,z,def);
}
//
minc_1_writer wrt_vec;
wrt_vec.open(output.c_str(),output_info_grid,3,NC_FLOAT);
save_simple_volume(wrt_vec,grid);
} catch (const minc::generic_error & err) {
std::cerr << "Got an error at:" << err.file () << ":" << err.line () << std::endl;
std::cerr << err.msg() << std::endl;
return 1;
}
return 0;
}
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