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#include <iostream>
#include <unistd.h>
#include <stdlib.h>
#include <vector>
#include <math.h>
#include "minc_1_rw.h"
#include "minc_1_simple.h"
using namespace minc;
template<class TPixel> void make_rw_test(const char * filename,int slice_dim,nc_type datatype,bool is_signed,double max_diff=0.0)
{
std::string history="History ";
// generate info
minc_info info(3);
int volume=1.0;
for(int i=0;i<3;i++)
{
info[i].dim=dim_info::dimensions( dim_info::DIM_X+i);
info[i].length=10+i;
info[i].step =i+0.1;
info[i].start =i-5.0;
info[i].have_dir_cos=true;
for(int j=0;j<3;j++)
info[i].dir_cos[j]=(i==j?1.0:0.0);
volume*=info[i].length;
}
//fill the buffer
std::vector<TPixel> buffer(volume);
if(typeid(TPixel)==typeid(float) || typeid(TPixel)==typeid(double))
for(int i=0;i<volume;i++)
buffer[i]=static_cast<TPixel>(random())*100.0/RAND_MAX;
else
for(int i=0;i<volume;i++)
buffer[i]=static_cast<TPixel>(random());
std::vector<double> double_attr(10);
std::vector<int> int_attr(10);
std::vector<short> short_attr(10);
std::string string_attr="Test string attribuite";
for(int i=0;i<10;i++)
{
double_attr[i]=i+0.1;
int_attr[i]=i*100;
short_attr[i]=i;
}
//now let's write volume
minc_1_writer wrt;
wrt.open(filename,info,slice_dim,datatype,is_signed);
//atributes
wrt.append_history(history.c_str());
wrt.insert("patient","double_attr",double_attr);
wrt.insert("patient","int_attr",int_attr);
wrt.insert("patient","short_attr",short_attr);
wrt.insert("patient","string_attr",string_attr.c_str());
if(typeid(TPixel)==typeid(unsigned char))
wrt.setup_write_byte();
else if(typeid(TPixel)==typeid(int))
wrt.setup_write_int();
else if(typeid(TPixel)==typeid(float))
wrt.setup_write_float();
else if(typeid(TPixel)==typeid(double))
wrt.setup_write_double();
else
REPORT_ERROR("Data type not supported for minc io");
//write volume
save_standard_volume(wrt,&buffer[0]);
wrt.close();
//reading volume
minc_1_reader rdr;
rdr.open(filename);
if(history!=rdr.history())
REPORT_ERROR("Mismatched history");
std::vector<double> double_attr_rd=rdr.att_value_double("patient","double_attr");
std::vector<int> int_attr_rd=rdr.att_value_int("patient","int_attr");
std::vector<short> short_attr_rd=rdr.att_value_short("patient","short_attr");
std::string string_attr_rd=rdr.att_value_string("patient","string_attr");
if(string_attr_rd!=string_attr)
REPORT_ERROR("Mismatched string attribute");
for(int i=0;i<10;i++)
{
if(double_attr_rd[i]!=double_attr[i])
REPORT_ERROR("Mismatched double attribute");
if(int_attr_rd[i]!=int_attr[i])
REPORT_ERROR("Mismatched int attribute");
if(short_attr_rd[i]!=short_attr[i])
REPORT_ERROR("Mismatched short attribute");
}
// let's compare info
for(int i=0;i<3;i++)
{
if(rdr.info()[i].dim!=info[i].dim)
REPORT_ERROR("Mismatched dimension");
if(rdr.info()[i].length!=info[i].length)
REPORT_ERROR("Mismatched dimension length");
if(rdr.info()[i].step!=info[i].step)
REPORT_ERROR("Mismatched step");
if(rdr.info()[i].start!=info[i].start)
REPORT_ERROR("Mismatched step");
if(rdr.info()[i].have_dir_cos!=info[i].have_dir_cos)
REPORT_ERROR("Mismatched have direction cosines");
for(int j=0;j<3;j++)
if(rdr.info()[i].dir_cos[j]!=info[i].dir_cos[j])
REPORT_ERROR("Mismatched direction cosines");
}
if(typeid(TPixel)==typeid(unsigned char))
rdr.setup_read_byte();
else if(typeid(TPixel)==typeid(int))
rdr.setup_read_int();
else if(typeid(TPixel)==typeid(float))
rdr.setup_read_float();
else if(typeid(TPixel)==typeid(double))
rdr.setup_read_double();
else
REPORT_ERROR("Data type not supported for minc io");
std::vector<TPixel> in_buffer(volume);
load_standard_volume(rdr,&in_buffer[0]);
rdr.close();
if(max_diff==0.0)
{
for(int i=0;i<volume;i++)
if(buffer[i]!=in_buffer[i])
REPORT_ERROR("Data mismatched!");
} else { //ALLOW rounding error
for(int i=0;i<volume;i++)
if(fabs((double)(buffer[i]-in_buffer[i]))>max_diff)
{
std::cerr<<"Expected:"<<buffer[i]<<" got:"<<in_buffer[i]<<" @ "<<i<<std::endl;
REPORT_ERROR("Data mismatched too much!");
}
}
}
int main(int argc,char **argv)
{
try
{
if(argc>1)
{
if(chdir(argv[1]))
REPORT_ERROR("Can't chdir!");
}
//no rounding expected
make_rw_test<unsigned char>("EZminc_byte_2.mnc",2,NC_BYTE,false);
make_rw_test<unsigned char>("EZminc_byte_3.mnc",3,NC_BYTE,false);
make_rw_test<int>("EZminc_int_2.mnc",2,NC_INT,true);
make_rw_test<int>("EZminc_int_3.mnc",3,NC_INT,true);
make_rw_test<float>("EZminc_float_2.mnc",2,NC_FLOAT,true);
make_rw_test<float>("EZminc_float_3.mnc",3,NC_FLOAT,true);
make_rw_test<double>("EZminc_double_2.mnc",2,NC_DOUBLE,true);
make_rw_test<double>("EZminc_double_3.mnc",3,NC_DOUBLE,true);
// some rounding expected
make_rw_test<float>("EZminc_float_2_short.mnc",2,NC_SHORT,true,0.1);
make_rw_test<float>("EZminc_float_3_short.mnc",3,NC_SHORT,true,0.1);
make_rw_test<double>("EZminc_double_2_short.mnc",2,NC_SHORT,true,0.1);
make_rw_test<double>("EZminc_double_3_short.mnc",3,NC_SHORT,true,0.1);
make_rw_test<float>("EZminc_float_2_byte.mnc",2,NC_BYTE,false,0.5);
make_rw_test<float>("EZminc_float_3_byte.mnc",3,NC_BYTE,false,0.5);
make_rw_test<double>("EZminc_double_2_byte.mnc",2,NC_BYTE,false,0.5);
make_rw_test<double>("EZminc_double_3_byte.mnc",3,NC_BYTE,false,0.5);
} 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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