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This commit is contained in:
edgarriba 2014-07-30 12:57:18 +02:00
parent 94968c81e0
commit 6ff58f02e2
1 changed files with 81 additions and 0 deletions
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81
samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/src/CsvReader.cpp Normal file
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#include <boost/lexical_cast.hpp>
#include "CsvReader.h"
/** The default constructor of the CSV reader Class */
CsvReader::CsvReader(const std::string &path, const char &separator){
_file.open(path.c_str(), ifstream::in);
_separator = separator;
}
/* Read a plane text file with .ply format */
void CsvReader::readPLY(std::vector<cv::Point3f> &list_vertex, std::vector<std::vector<int> > &list_triangles)
{
std::string line, tmp_str, n;
int num_vertex, num_triangles;
int count = 0;
bool end_header = false;
bool end_vertex = false;
// Read the whole *.ply file
while (getline(_file, line)) {
stringstream liness(line);
// read header
if(!end_header)
{
getline(liness, tmp_str, _separator);
if( tmp_str == "element" )
{
getline(liness, tmp_str, _separator);
getline(liness, n);
if(tmp_str == "vertex") num_vertex = boost::lexical_cast< int >(n);
if(tmp_str == "face") num_triangles = boost::lexical_cast< int >(n);
}
if(tmp_str == "end_header") end_header = true;
}
// read file content
else if(end_header)
{
// read vertex and add into 'list_vertex'
if(!end_vertex && count < num_vertex)
{
string x, y, z;
getline(liness, x, _separator);
getline(liness, y, _separator);
getline(liness, z);
cv::Point3f tmp_p;
tmp_p.x = boost::lexical_cast< float >(x);
tmp_p.y = boost::lexical_cast< float >(y);
tmp_p.z = boost::lexical_cast< float >(z);
list_vertex.push_back(tmp_p);
count++;
if(count == num_vertex)
{
count = 0;
end_vertex = !end_vertex;
}
}
// read faces and add into 'list_triangles'
else if(end_vertex && count < num_triangles)
{
std::string num_pts_per_face, id0, id1, id2;
getline(liness, num_pts_per_face, _separator);
getline(liness, id0, _separator);
getline(liness, id1, _separator);
getline(liness, id2);
std::vector<int> tmp_triangle(3);
tmp_triangle[0] = boost::lexical_cast< int >(id0);
tmp_triangle[1] = boost::lexical_cast< int >(id1);
tmp_triangle[2] = boost::lexical_cast< int >(id2);
list_triangles.push_back(tmp_triangle);
count++;
}
}
}
}