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-rw-r--r--example/common/example_CGAL_3D_points_off_reader.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/example/common/example_CGAL_3D_points_off_reader.cpp b/example/common/example_CGAL_3D_points_off_reader.cpp
new file mode 100644
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--- /dev/null
+++ b/example/common/example_CGAL_3D_points_off_reader.cpp
@@ -0,0 +1,41 @@
+#include <gudhi/Points_3D_off_io.h>
+
+#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
+using Point_3 = Kernel::Point_3;
+
+void usage(char * const progName) {
+ std::cerr << "Usage: " << progName << " inputFile.off" << std::endl;
+ exit(-1);
+}
+
+int main(int argc, char **argv) {
+ if (argc != 2) {
+ std::cerr << "Error: Number of arguments (" << argc << ") is not correct" << std::endl;
+ usage(argv[0]);
+ }
+
+ std::string offInputFile(argv[1]);
+ // Read the OFF file (input file name given as parameter) and triangulate points
+ Gudhi::Points_3D_off_reader<Point_3> off_reader(offInputFile);
+ // Check the read operation was correct
+ if (!off_reader.is_valid()) {
+ std::cerr << "Unable to read file " << offInputFile << std::endl;
+ usage(argv[0]);
+ }
+
+ // Retrieve the triangulation
+ std::vector<Point_3> point_cloud = off_reader.get_point_cloud();
+
+ int n {};
+ for (auto point : point_cloud) {
+ ++n;
+ std::cout << "Point[" << n << "] = (" << point[0] << ", " << point[1] << ", " << point[2] << ")\n";
+ }
+ return 0;
+}