mirror of https://github.com/CGAL/cgal
64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/property_map.h>
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#include <CGAL/IO/read_las_points.h>
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#include <utility>
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#include <vector>
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#include <fstream>
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// types
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typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
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typedef Kernel::FT FT;
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typedef Kernel::Point_3 Point;
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typedef std::array<unsigned short, 4> Color;
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typedef std::pair<Point, Color> PointWithColor;
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int main(int argc, char* argv[])
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{
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std::ifstream is("data/colored_points.las");
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// Reads a .las point set file with normal vectors and colors
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std::vector<PointWithColor> points; // store points
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if (!CGAL::IO::read_LAS_with_properties(is, std::back_inserter(points),
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CGAL::IO::make_las_point_reader(CGAL::First_of_pair_property_map<PointWithColor>()),
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std::make_tuple(CGAL::Second_of_pair_property_map<PointWithColor>(),
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CGAL::Construct_array(),
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CGAL::IO::LAS_property::R(),
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CGAL::IO::LAS_property::G(),
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CGAL::IO::LAS_property::B(),
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CGAL::IO::LAS_property::I())))
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{
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std::cerr << "Error: cannot read file data/colored_points.las" << std::endl;
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return EXIT_FAILURE;
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}
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CGAL_assertion(points.size() == 5);
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CGAL_assertion(points[0].second[0] == 65535);
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CGAL_assertion(points[0].second[1] == 0);
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CGAL_assertion(points[0].second[2] == 0);
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CGAL_assertion(points[0].second[3] == 0);
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CGAL_assertion(points[1].second[0] == 0);
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CGAL_assertion(points[1].second[1] == 65535);
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CGAL_assertion(points[1].second[2] == 0);
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CGAL_assertion(points[1].second[3] == 0);
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CGAL_assertion(points[2].second[0] == 0);
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CGAL_assertion(points[2].second[1] == 0);
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CGAL_assertion(points[2].second[2] == 65535);
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CGAL_assertion(points[2].second[3] == 0);
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CGAL_assertion(points[3].second[0] == 0);
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CGAL_assertion(points[3].second[1] == 65535);
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CGAL_assertion(points[3].second[2] == 65535);
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CGAL_assertion(points[3].second[3] == 0);
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CGAL_assertion(points[4].second[0] == 65535);
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CGAL_assertion(points[4].second[1] == 65535);
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CGAL_assertion(points[4].second[2] == 0);
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CGAL_assertion(points[4].second[3] == 0);
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return EXIT_SUCCESS;
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}
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