fixed some paths to data

Shape_detection/benchmark/Shape_detection/benchmark_region_growing_on_point_set_2.cpp

@@ -88,11 +88,11 @@ void benchmark_region_growing_on_point_set_2(
 int main(int argc, char *argv[]) {
 
   // Load xyz data either from a local folder or a user-provided file.
-  std::ifstream in(argc > 1 ? argv[1] : "data/point_set_2.xyz");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/buildings_outline.xyz"));
   CGAL::IO::set_ascii_mode(in);
 
   if (!in) {
-    std::cout << "ERROR: cannot read the file point_set_2.xyz!" << std::endl;
+    std::cout << "ERROR: cannot read the file buildings_outline.xyz!" << std::endl;
     return EXIT_FAILURE;
   }
 
@@ -102,7 +102,7 @@ int main(int argc, char *argv[]) {
     input_range.push_back(std::make_pair(Point_2(a, b), Vector_2(d, e)));
   in.close();
 
-  // Default parameter values for the data file point_set_2.xyz.
+  // Default parameter values for the data file buildings_outline.xyz.
   const FT          distance_threshold = FT(45) / FT(10);
   const FT          angle_threshold    = FT(45);
   const std::size_t min_region_size    = 5;

Shape_detection/benchmark/Shape_detection/benchmark_region_growing_on_point_set_3.cpp

@@ -114,11 +114,11 @@ void benchmark_region_growing_on_point_set_3(
 int main(int argc, char *argv[]) {
 
   // Load xyz data either from a local folder or a user-provided file.
-  std::ifstream in(argc > 1 ? argv[1] : "data/point_set_3.xyz");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/building.xyz"));
   CGAL::IO::set_ascii_mode(in);
 
   if (!in) {
-    std::cout << "ERROR: cannot read the file point_set_3.xyz!" << std::endl;
+    std::cout << "ERROR: cannot read the file building.xyz!" << std::endl;
     return EXIT_FAILURE;
   }
 
@@ -128,7 +128,7 @@ int main(int argc, char *argv[]) {
     input.push_back(std::make_pair(p, n));
   in.close();
 
-  // Default parameter values for the data file point_set_3.xyz.
+  // Default parameter values for the data file building.xyz.
   const std::size_t k                  = 12;
   const FT          distance_threshold = FT(2);
   const FT          angle_threshold    = FT(20);

Shape_detection/examples/Shape_detection/region_growing_lines_on_polyline.cpp

@@ -27,7 +27,7 @@ int main(int argc, char *argv[]) {
 
   // Load polyline data either from a local folder or a user-provided file.
   const bool is_default_input = argc > 1 ? false : true;
-  std::ifstream in(is_default_input ? "data/polyline_3.polylines.txt" : argv[1]);
+  std::ifstream in(is_default_input ? CGAL::data_file_path("polylines_3/polyline_3.polylines.txt") : argv[1]);
   CGAL::set_ascii_mode(in);
   if (!in) {
     std::cerr << "ERROR: cannot read the input file!" << std::endl;

Shape_detection/examples/Shape_detection/region_growing_lines_on_segment_set.cpp

@@ -32,7 +32,7 @@ int main(int argc, char *argv[]) {
 
   // Load data either from a local folder or a user-provided file.
   const bool is_default_input = argc > 1 ? false : true;
-  const std::string filename = is_default_input ? "data/am.off" : argv[1];
+  const std::string filename = is_default_input ? CGAL::data_file_path("meshes/am.off") : argv[1];
 
   Surface_mesh surface_mesh;
   if (!CGAL::IO::read_polygon_mesh(filename, surface_mesh, CGAL::parameters::all_default())) {

Shape_detection/test/Shape_detection/test_region_growing_basic.cpp

@@ -33,7 +33,7 @@ using Region_growing = SD::Region_growing<Input_range, Neighbor_query, Region_ty
 int main(int argc, char *argv[]) {
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/point_set_2.xyz"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/buildings_outline.xyz"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_cube.cpp

@@ -41,7 +41,7 @@ bool test_region_growing_on_cube(int argc, char *argv[]) {
   const std::size_t min_region_size    = 1;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : "data/cube.off");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/cube-sd.off"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_degenerated_mesh.cpp

@@ -38,7 +38,7 @@ bool test_region_growing_on_degenerated_mesh(int argc, char *argv[]) {
   const std::size_t min_region_size    = 5;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : "data/degenerated.off");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/degenerated-sd.off"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_point_set_2.cpp

@@ -43,7 +43,7 @@ bool test_region_growing_on_point_set_2(int argc, char *argv[]) {
   const std::size_t min_region_size    = 5;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/point_set_2.xyz"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/buildings_outline.xyz"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_point_set_2_with_sorting.cpp

@@ -46,7 +46,7 @@ bool test(int argc, char** argv, const std::string name, const std::size_t minr,
   const std::size_t min_region_size = 5;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/point_set_2.xyz"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/buildings_outline.xyz"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_point_set_3.cpp

@@ -43,7 +43,7 @@ bool test_region_growing_on_point_set_3(int argc, char *argv[]) {
   const std::size_t min_region_size    = 50;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/point_set_3.xyz"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/building.xyz"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_point_set_3_with_sorting.cpp

@@ -53,7 +53,7 @@ bool test(
   const std::size_t k = 12;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/point_set_3.xyz"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("points_3/building.xyz"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 
@@ -155,7 +155,7 @@ int main(int argc, char *argv[]) {
     },
     [](const auto& region) -> bool {
       std::cout << "- num regions spheres: " << region.size() << std::endl;
-      return (region.size() > 36 && region.size() < 40);
+      return (region.size() > 65 && region.size() < 69);
     }
   );
 
@@ -179,7 +179,7 @@ int main(int argc, char *argv[]) {
     },
     [](const auto& region) -> bool {
       std::cout << "- num regions cylinders: " << region.size() << std::endl;
-      return (region.size() > 6 && region.size() < 10);
+      return (region.size() > 8 && region.size() < 12);
     }
   );
 

Shape_detection/test/Shape_detection/test_region_growing_on_polygon_mesh.cpp

@@ -38,7 +38,7 @@ bool test_region_growing_on_polygon_mesh(int argc, char *argv[]) {
   const std::size_t min_region_size    = 5;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/polygon_mesh.off"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/building.off"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_polygon_mesh_with_sorting.cpp

@@ -39,7 +39,7 @@ int main(int argc, char *argv[]) {
   const std::size_t min_region_size    = 5;
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/polygon_mesh.off"));
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("meshes/building.off"));
   CGAL::IO::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_polyline.cpp

@@ -45,7 +45,7 @@ bool test_region_growing_on_polyline(int argc, char *argv[]) {
   const FT angle_threshold    = FT(45);
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : "data/polyline_3.polylines.txt");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("polylines_3/polyline_3.polylines.txt"));
   CGAL::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_on_polyline_with_sorting.cpp

@@ -46,7 +46,7 @@ int main(int argc, char *argv[]) {
   const FT angle_threshold    = FT(45);
 
   // Load data.
-  std::ifstream in(argc > 1 ? argv[1] : "data/polyline_3.polylines.txt");
+  std::ifstream in(argc > 1 ? argv[1] : CGAL::data_file_path("polylines_3/polyline_3.polylines.txt"));
   CGAL::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_region_growing_strict.cpp

@@ -191,7 +191,7 @@ bool test_lines_segment_set_3() {
   using Region_growing = CGAL::Shape_detection::
     Region_growing<Segment_range, Polyline_graph, Region_type, typename Sorting::Seed_map>;
 
-  std::ifstream in("data/am.off");
+  std::ifstream in(CGAL::data_file_path("meshes/am.off"));
   CGAL::set_ascii_mode(in);
   assert(in);
 
@@ -330,7 +330,7 @@ bool test_planes_surface_mesh() {
   using Point_3      = typename Kernel::Point_3;
   using Surface_mesh = CGAL::Surface_mesh<Point_3>;
 
-  std::ifstream in("data/am.off");
+  std::ifstream in(CGAL::data_file_path("meshes/am.off"));
   CGAL::set_ascii_mode(in);
   assert(in);
 

Shape_detection/test/Shape_detection/test_validity_sampled_data.cpp

@@ -45,7 +45,7 @@ void test_copied_point_cloud (const Point_set& points, std::size_t nb);
 int main (int argc, char** argv)
 {
   Point_set points;
-  const std::string ifilename = (argc > 1) ? argv[1] : CGAL::data_file_path("points_3/point_set_3.xyz");
+  const std::string ifilename = (argc > 1) ? argv[1] : CGAL::data_file_path("points_3/building.xyz");
   std::ifstream ifile(ifilename);
 
   if (!ifile ||