1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#ifndef READ_POLYLINES_H
#define READ_POLYLINES_H
#include <cstddef>
#include <vector>
#include <fstream>
template <typename Point_3>
bool read_polylines(const char* fname,
std::vector<std::vector<Point_3> >& polylines)
{
std::ifstream ifs(fname);
if(ifs.bad()) return false;
std::size_t n;
while(ifs >> n) {
polylines.resize(polylines.size()+1);
std::vector<Point_3>& polyline = polylines.back();
while(n-- != 0) {
Point_3 p;
ifs >> p;
if(ifs.fail()) return false;
polyline.push_back(p);
}
}
if(ifs.bad()) return false;
else return ifs.eof();
}
#endif // READ_POLYLINES_H
|
