From 8d7329f3e5ad843e553c3c5503cecc28ef2eead6 Mon Sep 17 00:00:00 2001
From: Gard Spreemann <gspreemann@gmail.com>
Date: Thu, 20 Apr 2017 11:10:45 +0200
Subject: GUDHI 2.0.0 as released by upstream in a tarball.

---
 .../common/example_CGAL_3D_points_off_reader.cpp   | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 example/common/example_CGAL_3D_points_off_reader.cpp

(limited to 'example/common/example_CGAL_3D_points_off_reader.cpp')

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
index 00000000..665b7a29
--- /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;
+}
-- 
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