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author | Gard Spreemann <gspr@nonempty.org> | 2019-09-25 14:29:41 +0200 |
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committer | Gard Spreemann <gspr@nonempty.org> | 2019-09-25 14:29:41 +0200 |
commit | 599d68cd916f533bdb66dd9e684dd5703233b6bb (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /doc/Alpha_complex | |
parent | a2e642954ae39025e041471d486ecbac25dff440 (diff) |
Delete all files in order to incorporate upstream's move to git.
Diffstat (limited to 'doc/Alpha_complex')
-rw-r--r-- | doc/Alpha_complex/COPYRIGHT | 19 | ||||
-rw-r--r-- | doc/Alpha_complex/Intro_alpha_complex.h | 177 | ||||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_doc.ipe | 296 | ||||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_doc.png | bin | 18720 -> 0 bytes | |||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_doc_420.ipe | 514 | ||||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_doc_420.png | bin | 80794 -> 0 bytes | |||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_representation.ipe | 321 | ||||
-rw-r--r-- | doc/Alpha_complex/alpha_complex_representation.png | bin | 14606 -> 0 bytes |
8 files changed, 0 insertions, 1327 deletions
diff --git a/doc/Alpha_complex/COPYRIGHT b/doc/Alpha_complex/COPYRIGHT deleted file mode 100644 index 5f1d97cc..00000000 --- a/doc/Alpha_complex/COPYRIGHT +++ /dev/null @@ -1,19 +0,0 @@ -The files of this directory are 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 - -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/>. diff --git a/doc/Alpha_complex/Intro_alpha_complex.h b/doc/Alpha_complex/Intro_alpha_complex.h deleted file mode 100644 index 7a375c9f..00000000 --- a/doc/Alpha_complex/Intro_alpha_complex.h +++ /dev/null @@ -1,177 +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) 2015 Inria - * - * 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/>. - */ - -#ifndef DOC_ALPHA_COMPLEX_INTRO_ALPHA_COMPLEX_H_ -#define DOC_ALPHA_COMPLEX_INTRO_ALPHA_COMPLEX_H_ - -// needs namespace for Doxygen to link on classes -namespace Gudhi { -// needs namespace for Doxygen to link on classes -namespace alpha_complex { - -/** \defgroup alpha_complex Alpha complex - * - * \author Vincent Rouvreau - * - * @{ - * - * \section definition Definition - * - * Alpha_complex is a <a target="_blank" href="https://en.wikipedia.org/wiki/Simplicial_complex">simplicial complex</a> - * constructed from the finite cells of a Delaunay Triangulation. - * - * The filtration value of each simplex is computed as the square of the circumradius of the simplex if the - * circumsphere is empty (the simplex is then said to be Gabriel), and as the minimum of the filtration - * values of the codimension 1 cofaces that make it not Gabriel otherwise. - * - * All simplices that have a filtration value strictly greater than a given alpha squared value are not inserted into - * the complex. - * - * \image html "alpha_complex_representation.png" "Alpha-complex representation" - * - * Alpha_complex is constructing a <a target="_blank" - * href="http://doc.cgal.org/latest/Triangulation/index.html#Chapter_Triangulations">Delaunay Triangulation</a> - * \cite cgal:hdj-t-15b from <a target="_blank" href="http://www.cgal.org/">CGAL</a> (the Computational Geometry - * Algorithms Library \cite cgal:eb-15b) and is able to create a `SimplicialComplexForAlpha`. - * - * The complex is a template class requiring an Epick_d <a target="_blank" - * href="http://doc.cgal.org/latest/Kernel_d/index.html#Chapter_dD_Geometry_Kernel">dD Geometry Kernel</a> - * \cite cgal:s-gkd-15b from CGAL as template parameter. - * - * \remark - * - When the simplicial complex is constructed with an infinite value of alpha, the complex is a Delaunay - * complex. - * - For people only interested in the topology of the \ref alpha_complex (for instance persistence), - * \ref alpha_complex is equivalent to the \ref cech_complex and much smaller if you do not bound the radii. - * \ref cech_complex can still make sense in higher dimension precisely because you can bound the radii. - * - * \section pointsexample Example from points - * - * This example builds the Delaunay triangulation from the given points in a 2D static kernel, and creates a - * `Simplex_tree` with it. - * - * Then, it is asked to display information about the simplicial complex. - * - * \include Alpha_complex/Alpha_complex_from_points.cpp - * - * When launching: - * - * \code $> ./Alpha_complex_example_from_points - * \endcode - * - * the program output is: - * - * \include Alpha_complex/alphaoffreader_for_doc_60.txt - * - * \section createcomplexalgorithm Create complex algorithm - * - * \subsection datastructure Data structure - * - * In order to create the simplicial complex, first, it is built from the cells of the Delaunay Triangulation. - * The filtration values are set to NaN, which stands for unknown value. - * - * In example, : - * \image html "alpha_complex_doc.png" "Simplicial complex structure construction example" - * - * \subsection filtrationcomputation Filtration value computation algorithm - * <br> - * \f$ - * \textbf{for } \text{i : dimension } \rightarrow 0 \textbf{ do}\\ - * \quad \textbf{for all } \sigma \text{ of dimension i}\\ - * \quad\quad \textbf{if } \text{filtration(} \sigma ) \text{ is NaN} \textbf{ then}\\ - * \quad\quad\quad \text{filtration(} \sigma ) = \alpha^2( \sigma )\\ - * \quad\quad \textbf{end if}\\ - * \quad\quad \textbf{for all } \tau \text{ face of } \sigma \textbf{ do}\quad\quad - * \textit{// propagate alpha filtration value}\\ - * \quad\quad\quad \textbf{if } \text{filtration(} \tau ) \text{ is not NaN} \textbf{ then}\\ - * \quad\quad\quad\quad \text{filtration(} \tau \text{) = min( filtration(} \tau \text{), filtration(} \sigma - * \text{) )}\\ - * \quad\quad\quad \textbf{else}\\ - * \quad\quad\quad\quad \textbf{if } \textbf{if } \tau \text{ is not Gabriel for } \sigma \textbf{ then}\\ - * \quad\quad\quad\quad\quad \text{filtration(} \tau \text{) = filtration(} \sigma \text{)}\\ - * \quad\quad\quad\quad \textbf{end if}\\ - * \quad\quad\quad \textbf{end if}\\ - * \quad\quad \textbf{end for}\\ - * \quad \textbf{end for}\\ - * \textbf{end for}\\ - * \text{make_filtration_non_decreasing()}\\ - * \text{prune_above_filtration()}\\ - * \f$ - * - * \subsubsection dimension2 Dimension 2 - * - * From the example above, it means the algorithm looks into each triangle ([0,1,2], [0,2,4], [1,2,3], ...), - * computes the filtration value of the triangle, and then propagates the filtration value as described - * here : - * \image html "alpha_complex_doc_420.png" "Filtration value propagation example" - * - * \subsubsection dimension1 Dimension 1 - * - * Then, the algorithm looks into each edge ([0,1], [0,2], [1,2], ...), - * computes the filtration value of the edge (in this case, propagation will have no effect). - * - * \subsubsection dimension0 Dimension 0 - * - * Finally, the algorithm looks into each vertex ([0], [1], [2], [3], [4], [5] and [6]) and - * sets the filtration value (0 in case of a vertex - propagation will have no effect). - * - * \subsubsection nondecreasing Non decreasing filtration values - * - * As the squared radii computed by CGAL are an approximation, it might happen that these alpha squared values do not - * quite define a proper filtration (i.e. non-decreasing with respect to inclusion). - * We fix that up by calling `SimplicialComplexForAlpha::make_filtration_non_decreasing()`. - * - * \subsubsection pruneabove Prune above given filtration value - * - * The simplex tree is pruned from the given maximum alpha squared value (cf. - * `SimplicialComplexForAlpha::prune_above_filtration()`). - * In the following example, the value is given by the user as argument of the program. - * - * - * \section offexample Example from OFF file - * - * This example builds the Delaunay triangulation in a dynamic kernel, and initializes the alpha complex with it. - * - * - * Then, it is asked to display information about the alpha complex. - * - * \include Alpha_complex/Alpha_complex_from_off.cpp - * - * When launching: - * - * \code $> ./Alpha_complex_example_from_off ../../data/points/alphacomplexdoc.off 32.0 - * \endcode - * - * the program output is: - * - * \include Alpha_complex/alphaoffreader_for_doc_32.txt - * - */ -/** @} */ // end defgroup alpha_complex - -} // namespace alpha_complex - -namespace alphacomplex = alpha_complex; - -} // namespace Gudhi - -#endif // DOC_ALPHA_COMPLEX_INTRO_ALPHA_COMPLEX_H_ diff --git a/doc/Alpha_complex/alpha_complex_doc.ipe b/doc/Alpha_complex/alpha_complex_doc.ipe deleted file mode 100644 index 71e5ce6c..00000000 --- a/doc/Alpha_complex/alpha_complex_doc.ipe +++ /dev/null @@ -1,296 +0,0 @@ -<?xml version="1.0"?> -<!DOCTYPE ipe SYSTEM "ipe.dtd"> -<ipe version="70107" creator="Ipe 7.1.10"> -<info 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