From 17fd245908ba07d6bad974efa0be1ec6093262ec Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Mon, 15 Jun 2015 09:31:02 +0000 Subject: Alpha_shapes renamed Alpha_complex git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/alphashapes@614 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: ede5d1c1175f9d314e23bc0b76f7376b3de90c93 --- src/Alpha_complex/test/Alpha_shapes_unit_test.cpp | 126 ++++++++++++++++++++++ src/Alpha_complex/test/CMakeLists.txt | 31 ++++++ src/Alpha_complex/test/README | 12 +++ src/Alpha_complex/test/S4_100.off | 102 ++++++++++++++++++ src/Alpha_complex/test/S8_10.off | 12 +++ 5 files changed, 283 insertions(+) create mode 100644 src/Alpha_complex/test/Alpha_shapes_unit_test.cpp create mode 100644 src/Alpha_complex/test/CMakeLists.txt create mode 100644 src/Alpha_complex/test/README create mode 100644 src/Alpha_complex/test/S4_100.off create mode 100644 src/Alpha_complex/test/S8_10.off (limited to 'src/Alpha_complex/test') diff --git a/src/Alpha_complex/test/Alpha_shapes_unit_test.cpp b/src/Alpha_complex/test/Alpha_shapes_unit_test.cpp new file mode 100644 index 00000000..d5db3bfa --- /dev/null +++ b/src/Alpha_complex/test/Alpha_shapes_unit_test.cpp @@ -0,0 +1,126 @@ +/* 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) 2015 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 . + */ + +#define BOOST_TEST_MODULE alpha_shapes +#include +#include +#include +// to construct a Delaunay_triangulation from a OFF file +#include "gudhi/Alpha_shapes/Delaunay_triangulation_off_io.h" +#include "gudhi/Alpha_shapes.h" + +// to construct a simplex_tree from Delaunay_triangulation +#include "gudhi/graph_simplicial_complex.h" +#include "gudhi/Simplex_tree.h" + +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +// 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 T; +// The triangulation uses the default instanciation of the +// TriangulationDataStructure template parameter + +BOOST_AUTO_TEST_CASE( OFF_file ) { + // ---------------------------------------------------------------------------- + // + // Init of an alpha-shape from a OFF file + // + // ---------------------------------------------------------------------------- + std::string off_file_name("S4_100.off"); + std::cout << "========== OFF FILE NAME = " << off_file_name << " ==========" << std::endl; + + Gudhi::alphashapes::Alpha_shapes alpha_shapes_from_file(off_file_name, 4); + + const int DIMENSION = 4; + std::cout << "alpha_shapes_from_file.dimension()=" << alpha_shapes_from_file.dimension() << std::endl; + BOOST_CHECK(alpha_shapes_from_file.dimension() == DIMENSION); + + const double FILTRATION = 0.0; + std::cout << "alpha_shapes_from_file.filtration()=" << alpha_shapes_from_file.filtration() << std::endl; + BOOST_CHECK(alpha_shapes_from_file.filtration() == FILTRATION); + + const int NUMBER_OF_VERTICES = 100; + std::cout << "alpha_shapes_from_file.num_vertices()=" << alpha_shapes_from_file.num_vertices() << std::endl; + BOOST_CHECK(alpha_shapes_from_file.num_vertices() == NUMBER_OF_VERTICES); + + const int NUMBER_OF_SIMPLICES = 6779; + std::cout << "alpha_shapes_from_file.num_simplices()=" << alpha_shapes_from_file.num_simplices() << std::endl; + BOOST_CHECK(alpha_shapes_from_file.num_simplices() == NUMBER_OF_SIMPLICES); + +} + +BOOST_AUTO_TEST_CASE( Delaunay_triangulation ) { + // ---------------------------------------------------------------------------- + // + // Init of an alpha-shape from a Delauny triangulation + // + // ---------------------------------------------------------------------------- + T dt(8); + std::string off_file_name("S8_10.off"); + std::cout << "========== OFF FILE NAME = " << off_file_name << " ==========" << std::endl; + + Gudhi::alphashapes::Delaunay_triangulation_off_reader off_reader(off_file_name, dt); + std::cout << "off_reader.is_valid()=" << off_reader.is_valid() << std::endl; + BOOST_CHECK(off_reader.is_valid()); + + const int NUMBER_OF_VERTICES = 10; + std::cout << "dt.number_of_vertices()=" << dt.number_of_vertices() << std::endl; + BOOST_CHECK(dt.number_of_vertices() == NUMBER_OF_VERTICES); + + const int NUMBER_OF_FULL_CELLS = 30; + std::cout << "dt.number_of_full_cells()=" << dt.number_of_full_cells() << std::endl; + BOOST_CHECK(dt.number_of_full_cells() == NUMBER_OF_FULL_CELLS); + + const int NUMBER_OF_FINITE_FULL_CELLS = 6; + std::cout << "dt.number_of_finite_full_cells()=" << dt.number_of_finite_full_cells() << std::endl; + BOOST_CHECK(dt.number_of_finite_full_cells() == NUMBER_OF_FINITE_FULL_CELLS); + + Gudhi::alphashapes::Alpha_shapes alpha_shapes_from_dt(dt); + + const int DIMENSION = 8; + std::cout << "alpha_shapes_from_dt.dimension()=" << alpha_shapes_from_dt.dimension() << std::endl; + BOOST_CHECK(alpha_shapes_from_dt.dimension() == DIMENSION); + + const double FILTRATION = 0.0; + std::cout << "alpha_shapes_from_dt.filtration()=" << alpha_shapes_from_dt.filtration() << std::endl; + BOOST_CHECK(alpha_shapes_from_dt.filtration() == FILTRATION); + + std::cout << "alpha_shapes_from_dt.num_vertices()=" << alpha_shapes_from_dt.num_vertices() << std::endl; + BOOST_CHECK(alpha_shapes_from_dt.num_vertices() == NUMBER_OF_VERTICES); + + const int NUMBER_OF_SIMPLICES = 997; + std::cout << "alpha_shapes_from_dt.num_simplices()=" << alpha_shapes_from_dt.num_simplices() << std::endl; + BOOST_CHECK(alpha_shapes_from_dt.num_simplices() == NUMBER_OF_SIMPLICES); +} + diff --git a/src/Alpha_complex/test/CMakeLists.txt b/src/Alpha_complex/test/CMakeLists.txt new file mode 100644 index 00000000..3cf97b71 --- /dev/null +++ b/src/Alpha_complex/test/CMakeLists.txt @@ -0,0 +1,31 @@ +cmake_minimum_required(VERSION 2.6) +project(GUDHIAlphaShapesTest) + +# need CGAL 4.7 +# cmake -DCGAL_DIR=~/workspace/CGAL-4.7-Ic-41 ../../.. +if(CGAL_FOUND) + if (NOT CGAL_VERSION VERSION_LESS 4.7.0) + message(STATUS "CGAL version: ${CGAL_VERSION}.") + + include( ${CGAL_USE_FILE} ) + + find_package(Eigen3 3.1.0) + if (EIGEN3_FOUND) + message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.") + include( ${EIGEN3_USE_FILE} ) + include_directories (BEFORE "../../include") + + add_definitions(-DDEBUG_TRACES) + add_executable ( AlphaShapesUnitTest Alpha_shapes_unit_test.cpp ) + target_link_libraries(AlphaShapesUnitTest ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY}) + add_test(AlphaShapesUnitTest ${CMAKE_CURRENT_BINARY_DIR}/AlphaShapesUnitTest) + + else() + message(WARNING "Eigen3 not found. Version 3.1.0 is required for Alpha shapes feature.") + endif() + else() + message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile Alpha shapes feature. Version 4.6.0 is required.") + endif () +endif() + +cpplint_add_tests("${CMAKE_SOURCE_DIR}/src/Alpha_shapes/include/gudhi") diff --git a/src/Alpha_complex/test/README b/src/Alpha_complex/test/README new file mode 100644 index 00000000..244a2b84 --- /dev/null +++ b/src/Alpha_complex/test/README @@ -0,0 +1,12 @@ +To compile: +*********** + +cmake . +make + +To launch with details: +*********************** + +./AlphaShapesUnitTest --report_level=detailed --log_level=all + + ==> echo $? returns 0 in case of success (non-zero otherwise) diff --git a/src/Alpha_complex/test/S4_100.off b/src/Alpha_complex/test/S4_100.off new file mode 100644 index 00000000..0a5dc58c --- /dev/null +++ b/src/Alpha_complex/test/S4_100.off @@ -0,0 +1,102 @@ +OFF +100 0 0 +0.562921 -0.735261 -0.256472 0.277007 +-0.803733 -0.0527915 -0.315125 0.501918 +-0.24946 -0.354982 -0.410773 -0.801887 +0.916381 -0.0512295 0.371049 0.141223 +0.182222 0.940836 -0.171362 -0.228599 +-0.787145 -0.129213 0.568102 -0.202402 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