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-rw-r--r--src/Alpha_complex/example/CMakeLists.txt9
-rw-r--r--src/Alpha_complex/example/Delaunay_triangulation_off_rw.cpp79
-rw-r--r--src/Alpha_complex/example/Simplex_tree_from_delaunay_triangulation.cpp27
-rwxr-xr-xsrc/Alpha_complex/example/alphashapedoc.off10
4 files changed, 12 insertions, 113 deletions
diff --git a/src/Alpha_complex/example/CMakeLists.txt b/src/Alpha_complex/example/CMakeLists.txt
index 258def49..9129fdcf 100644
--- a/src/Alpha_complex/example/CMakeLists.txt
+++ b/src/Alpha_complex/example/CMakeLists.txt
@@ -14,17 +14,10 @@ if(CGAL_FOUND)
message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.")
include( ${EIGEN3_USE_FILE} )
- add_definitions(-DDEBUG_TRACES)
-
- add_executable ( dtoffrw Delaunay_triangulation_off_rw.cpp )
- target_link_libraries(dtoffrw ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY})
- add_test(dtoffrw_tore3D ${CMAKE_CURRENT_BINARY_DIR}/dtoffrw ${CMAKE_SOURCE_DIR}/data/points/tore3D_1307.off 3)
-
+ #add_definitions(-DDEBUG_TRACES)
add_executable ( stfromdt Simplex_tree_from_delaunay_triangulation.cpp )
target_link_libraries(stfromdt ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY})
- add_executable ( template_off template_off.cpp )
- target_link_libraries(template_off ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY})
else()
message(WARNING "Eigen3 not found. Version 3.1.0 is required for Alpha shapes feature.")
endif()
diff --git a/src/Alpha_complex/example/Delaunay_triangulation_off_rw.cpp b/src/Alpha_complex/example/Delaunay_triangulation_off_rw.cpp
deleted file mode 100644
index 405b3cb9..00000000
--- a/src/Alpha_complex/example/Delaunay_triangulation_off_rw.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-/* This file is part of the Gudhi Library. The Gudhi library
- * (Geometric Understanding in Higher Dimensions) is a generic C++
- * library for computational topology.
- *
- * Author(s): Vincent Rouvreau
- *
- * Copyright (C) 2014 INRIA Saclay (France)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-// to construct a Delaunay_triangulation from a OFF file
-#include "gudhi/Alpha_shapes/Delaunay_triangulation_off_io.h"
-
-#include <CGAL/Delaunay_triangulation.h>
-#include <CGAL/Epick_d.h>
-#include <CGAL/point_generators_d.h>
-#include <CGAL/algorithm.h>
-#include <CGAL/assertions.h>
-
-#include <iostream>
-#include <iterator>
-#include <vector>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string>
-
-// Use dynamic_dimension_tag for the user to be able to set dimension
-typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > K;
-typedef CGAL::Delaunay_triangulation<K> T;
-// The triangulation uses the default instanciation of the
-// TriangulationDataStructure template parameter
-
-void usage(char * const progName) {
- std::cerr << "Usage: " << progName << " inputFile.off dimension outputFile.off" << std::endl;
- exit(-1); // ----- >>
-}
-
-int main(int argc, char **argv) {
- if (argc != 4) {
- std::cerr << "Error: Number of arguments (" << argc << ") is not correct" << std::endl;
- usage(argv[0]);
- }
-
- int dimension = 0;
- int returnedScanValue = sscanf(argv[2], "%d", &dimension);
- if ((returnedScanValue == EOF) || (dimension <= 0)) {
- std::cerr << "Error: " << argv[2] << " is not correct" << std::endl;
- usage(argv[0]);
- }
-
- T dt(dimension);
- std::string offFileName(argv[1]);
- Gudhi::alphacomplex::Delaunay_triangulation_off_reader<T> off_reader(offFileName, dt);
- if (!off_reader.is_valid()) {
- std::cerr << "Unable to read file " << offFileName << std::endl;
- exit(-1); // ----- >>
- }
-
- std::cout << "number_of_finite_full_cells= " << dt.number_of_finite_full_cells() << std::endl;
-
- std::string outFileName(argv[3]);
- std::string offOutputFile(outFileName);
- Gudhi::alphacomplex::Delaunay_triangulation_off_writer<T> off_writer(offOutputFile, dt);
-
- return 0;
-} \ No newline at end of file
diff --git a/src/Alpha_complex/example/Simplex_tree_from_delaunay_triangulation.cpp b/src/Alpha_complex/example/Simplex_tree_from_delaunay_triangulation.cpp
index f09e6121..1523372a 100644
--- a/src/Alpha_complex/example/Simplex_tree_from_delaunay_triangulation.cpp
+++ b/src/Alpha_complex/example/Simplex_tree_from_delaunay_triangulation.cpp
@@ -21,19 +21,13 @@
*/
// to construct a Delaunay_triangulation from a OFF file
-#include "gudhi/Alpha_shapes/Delaunay_triangulation_off_io.h"
+#include "gudhi/Delaunay_triangulation_off_io.h"
#include "gudhi/Alpha_complex.h"
// to construct a simplex_tree from Delaunay_triangulation
#include "gudhi/graph_simplicial_complex.h"
#include "gudhi/Simplex_tree.h"
-#include <CGAL/Delaunay_triangulation.h>
-#include <CGAL/Epick_d.h>
-#include <CGAL/point_generators_d.h>
-#include <CGAL/algorithm.h>
-#include <CGAL/assertions.h>
-
#include <iostream>
#include <iterator>
@@ -41,12 +35,6 @@
#include <stdlib.h>
#include <string>
-// Use dynamic_dimension_tag for the user to be able to set dimension
-typedef CGAL::Epick_d< CGAL::Dynamic_dimension_tag > K;
-typedef CGAL::Delaunay_triangulation<K> T;
-// The triangulation uses the default instanciation of the
-// TriangulationDataStructure template parameter
-
void usage(char * const progName) {
std::cerr << "Usage: " << progName << " filename.off" << std::endl;
exit(-1); // ----- >>
@@ -62,7 +50,7 @@ int main(int argc, char **argv) {
// ----------------------------------------------------------------------------
//
- // Init of an alpha-complex from a OFF file
+ // Init of an alpha-complex from an OFF file
//
// ----------------------------------------------------------------------------
Gudhi::alphacomplex::Alpha_complex alpha_complex_from_file(off_file_name);
@@ -71,7 +59,14 @@ int main(int argc, char **argv) {
std::cout << "alpha_complex_from_file.filtration()=" << alpha_complex_from_file.filtration() << std::endl;
std::cout << "alpha_complex_from_file.num_simplices()=" << alpha_complex_from_file.num_simplices() << std::endl;
std::cout << "alpha_complex_from_file.num_vertices()=" << alpha_complex_from_file.num_vertices() << std::endl;
- std::cout << alpha_complex_from_file << std::endl;
-
+
+ std::cout << "Iterator on Simplices in the filtration order, with [filtration value]:" << std::endl;
+ for (auto f_simplex : alpha_complex_from_file.filtration_simplex_range()) {
+ std::cout << " " << "[" << alpha_complex_from_file.filtration(f_simplex) << "] ";
+ for (auto vertex : alpha_complex_from_file.simplex_vertex_range(f_simplex)) {
+ std::cout << vertex << " ";
+ }
+ std::cout << std::endl;
+ }
return 0;
} \ No newline at end of file
diff --git a/src/Alpha_complex/example/alphashapedoc.off b/src/Alpha_complex/example/alphashapedoc.off
deleted file mode 100755
index bb790193..00000000
--- a/src/Alpha_complex/example/alphashapedoc.off
+++ /dev/null
@@ -1,10 +0,0 @@
-nOFF
-2 7 0 0
-1.0 1.0
-7.0 0.0
-4.0 6.0
-9.0 6.0
-0.0 14.0
-2.0 19.0
-9.0 17.0
-