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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,199 @@ | ||
| --- | ||
| layout: default | ||
| title: The Computational Geometry Algorithms Library | ||
| tagline: | ||
| --- | ||
| {% include JB/setup %} | ||
|
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| <div class="homepage-slider"> | ||
| <div id="sequence"> | ||
| <ul class="sequence-canvas"> | ||
| <!-- Base container model by sablebadger, https://www.thingiverse.com/thing:2934997 --> | ||
| <li style="background-image: url({{ BASE_PATH }}/images/April24/egg-in-pentagon.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title"> Dieudonne Operator</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Dieudonne_operator(statue, container);</pre></h3> | ||
| </li> | ||
|
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| <li style="background-image: url({{ BASE_PATH }}/images/April24/Finite_coxeter.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Bourbaki Graph</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::make_Bourbaki_graph();</pre></h3> | ||
| </li> | ||
|
|
||
| <li style="background-image: url({{ BASE_PATH }}/images/April24/tencommandments.jpeg); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Leray Triangulations</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::make_Leray_triangulation();</pre></h3> | ||
| </li> | ||
|
|
||
| <li style="background-image: url({{ BASE_PATH }}/images/April24/tradebalance.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Seifert Loop</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Seifert_loop(faces(surface_mesh));</pre></h3> | ||
| </li> | ||
|
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||
| <li style="background-image: url({{ BASE_PATH }}/images/April24/Seifert.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">The Cartan Method</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Cartan_method_3::estimate_hyperbolic_distances();</pre></h3> | ||
| </li> | ||
| <!-- | ||
| <li style="background-image: url({{ BASE_PATH }}/images/segmentation.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Mesh Segmentation</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::sdf_values(surface_mesh);</pre></h3> | ||
| </li> | ||
| <li style="background-image: url({{ BASE_PATH }}/images/classif_header_cgal.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Classification</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Classification::classify(las_points);</pre></h3> | ||
| </li> | ||
| <li style="background-image: url({{ BASE_PATH }}/images/periodic_banner.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Periodic Mesh Generation</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Periodic_tet_mesh mesh = CGAL::make_periodic_mesh();</pre></h3> | ||
| </li> | ||
| <li style="background-image: url({{ BASE_PATH }}/images/voronoi.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Voronoi Diagram</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>VD = CGAL::make_voronoi(points);</pre></h3> | ||
| </li> | ||
| --> | ||
|
|
||
| <!-- | ||
| <li style="background-image: url({{ BASE_PATH }}/images/polygonal_surface_reconstruction_banner.png); -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;"> | ||
| <h2 class="title">Surface Reconstruction</h2> | ||
| <h3 class="subtitle"><pre style='text-shadow:none'>CGAL::Polygonal_surface_reconstruction(points);</pre></h3> | ||
| </li> | ||
| --> | ||
| </ul> | ||
| <div class="sequence-pagination-wrapper"> | ||
| <ul class="sequence-pagination"> | ||
| <li>1</li> | ||
| <li>2</li> | ||
| <li>3</li> | ||
| <li>4</li> | ||
| <li>5</li> | ||
| <!-- | ||
| <li>6</li> | ||
| <li>7</li> | ||
| <li>8</li> | ||
| --> | ||
| </ul> | ||
| </div> | ||
| </div> | ||
| </div> | ||
|
|
||
| <div class="container"> | ||
| <div class="row"> | ||
| <div class="blog-post blog-single-post col-md-12"> | ||
| <p>CGAL is an open source software project that provides easy access to efficient and reliable geometric algorithms in the form of a C++ library. | ||
| CGAL is used in various areas needing geometric computation, such as geographic information systems, computer aided design, | ||
| molecular biology, medical imaging, computer graphics, and robotics.</p> | ||
|
|
||
| <p>The library offers data structures and algorithms like | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartTriangulationsAndDelaunayTriangulations">triangulations</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartVoronoiDiagrams">Voronoi diagrams</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PkgBooleanSetOperations2">Boolean operations on polygons</a> | ||
| and <a href="https://doc.cgal.org/latest/Polygon_mesh_processing/index.html#Coref_section">polyhedra</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PkgPointSetProcessing3">point set processing</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartArrangements">arrangements of curves</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartMeshing">surface and volume mesh generation</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartGeometryProcessing">geometry processing</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PkgAlphaShapes2">alpha shapes</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartConvexHullAlgorithms">convex hull algorithms</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartReconstruction">shape reconstruction</a>, | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html#PartSearchStructures">AABB and KD trees</a>... | ||
| Explore the complete list of features and capabilities by visiting the CGAL | ||
| <a href="https://doc.cgal.org/latest/Manual/packages.html" target="_blank">Package Overview</a>. | ||
|
|
||
| <p>The CGAL data structures and algorithms are distributed under a dual license, namely under | ||
| the GPL v3+ and, alternatively, under a commercial license | ||
| by <a href="http://geometryfactory.com/">GeometryFactory</a>.</p> | ||
| </div> | ||
| </div> | ||
|
|
||
| <div class="col-md-8"> | ||
| <h3>Latest News</h3> | ||
| <ul> | ||
| {% assign news = site.posts %} | ||
| {% assign news_counter = 0 %} | ||
| {% assign max_news_number = 4 %} | ||
| {% for post in news %} | ||
| {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %} | ||
| {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %} | ||
|
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||
| {% assign is_release = false %} | ||
| {% for tag in post.tags %} | ||
| {% if tag contains "release" %} | ||
| {% assign is_release = true %} | ||
| {% break %} | ||
| {% endif %} | ||
| {% endfor %} | ||
|
|
||
| {% unless is_release == true %} | ||
| {% unless post.dontshow %} | ||
| {% unless post.tags contains "WIP" %} | ||
| <li class="active">{{this_month}} {{this_year}} | ||
| <a href="{{ BASE_PATH }}{{post.url}}" class="active">{{post.title}}</a><!-- | ||
| -->{% unless post.description == "" %} -- {{post.description}}{% endunless %} | ||
| </li> | ||
| {% assign news_counter = news_counter | plus: 1 %} | ||
| {% if news_counter >= max_news_number %} | ||
| {% break %} | ||
| {% endif %} | ||
| {% endunless %} | ||
| {% endunless %} | ||
| {% endunless %} | ||
| {% endfor %} | ||
| </ul> | ||
| <a href="{{ BASE_PATH}}/news.html" class="btn">Older news and announcements...</a> | ||
| </div> | ||
| <div class="col-md-4"> | ||
| {% assign news = site.posts %} | ||
| {% assign exist_active_beta = false %} | ||
| <h3>Latest Releases</h3> | ||
| <ul> | ||
| {% for post in news %} | ||
| {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %} | ||
| {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %} | ||
|
|
||
| {% if post.tags contains "latest-release" %} | ||
| <li class="active"><b>Latest stable release:</b> <a href="{{ BASE_PATH }}{{post.url}}" class="active">{{post.description}}</a></li> | ||
| {% break %} | ||
| {% endif %} | ||
| {% endfor %} | ||
| {% for post in news %} | ||
| {% if post.tags contains "active-beta-release" %} | ||
| {% assign exist_active_beta = true %} | ||
| <li class="active"><b>Active beta release:</b> <a href="{{ BASE_PATH }}{{post.url}}" class="active">{{post.description}}</a></li> | ||
| {% break %} | ||
| {% endif %} | ||
| {% endfor %} | ||
| </ul> | ||
| <h4>Previous Releases</h4> | ||
| <ul> | ||
| {% assign releases_counter = 0 %} | ||
| {% assign max_releases_number = 1 %} | ||
| {% unless exist_active_beta == true %} | ||
| {% assign max_releases_number = max_releases_number | plus: 1 %} | ||
| {% endunless %} | ||
|
|
||
| {% for post in news %} | ||
| {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %} | ||
| {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %} | ||
| {% unless post.dontshow %} | ||
| {% unless post.tags contains "WIP" %} | ||
| {% if post.tags contains "release" %} | ||
| {% unless post.tags contains "latest" or post.tags contains "active" %} | ||
| <li class="active">{{this_month}} {{this_year}} <a href="{{ BASE_PATH }}{{post.url}}" class="active">{{post.description}}</a></li> | ||
| {% assign releases_counter = releases_counter | plus: 1 %} | ||
| {% if releases_counter >= max_releases_number %} | ||
| {% break %} | ||
| {% endif %} | ||
| {% endunless %} | ||
| {% endif %} | ||
| {% endunless %} | ||
| {% endunless %} | ||
| {% endfor %} | ||
| </ul> | ||
| <a href="{{ BASE_PATH}}/releases.html" class="btn">Older releases...</a> | ||
| </div> | ||
| </div> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| --- | ||
| layout: post | ||
| title: "CGAL 5.5.4 released" | ||
| description: "CGAL 5.5.4" | ||
| category: | ||
| tags: ["release"] | ||
| --- | ||
| {% include JB/setup %} | ||
|
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| <i class="glyphicon glyphicon-download"></i> | ||
| <a href="https://github.com/CGAL/cgal/releases/tag/v5.5.4">Download CGAL-5.5.4</a> | ||
|
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| <i class="glyphicon glyphicon-book"></i> | ||
| <a href="https://doc.cgal.org/5.5.4/Manual/index.html">CGAL-5.5.4 documentation</a> | ||
|
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| <p>CGAL 5.5.4 is a bug-fix release for <a href="../../../../2022/07/15/cgal55">CGAL 5.5</a>. | ||
| The list of fixed bugs since <a href="../../../../2023/07/28/cgal553">CGAL 5.5.3</a> | ||
| can be accessed <a href="https://github.com/CGAL/cgal/issues?q=sort%3Aupdated-desc+label%3AMerged_in_5.5.4+-label%3AMerged_in_5.5.3">on Github</a>.</p> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| --- | ||
| layout: post | ||
| title: "CGAL 5.6.1 released" | ||
| description: "CGAL 5.6.1" | ||
| category: | ||
| tags: ["latest-release"] | ||
| --- | ||
| {% include JB/setup %} | ||
|
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| <i class="glyphicon glyphicon-download"></i> | ||
| <a href="https://github.com/CGAL/cgal/releases/tag/v5.6.1">Download CGAL-5.6.1</a> | ||
|
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| <i class="glyphicon glyphicon-book"></i> | ||
| <a href="https://doc.cgal.org/5.6.1/Manual/index.html">CGAL-5.6.1 documentation</a> | ||
|
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| <p>CGAL 5.6.1 is a bug-fix release for <a href="../../../../2023/07/28/cgal56">CGAL 5.6</a>. | ||
| The list of fixed bugs since <a href="../../../../2023/07/28/cgal56">CGAL 5.6</a> | ||
| can be accessed <a href="https://github.com/CGAL/cgal/issues?q=label%3AMerged_in_5.6.1">on Github</a>.</p> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| --- | ||
| layout: post | ||
| title: "Welcome: Nicolas Bourbaki" | ||
| description: "The end of egoless programming." | ||
| category: "news" | ||
| tags: [] | ||
| --- | ||
| {% include JB/setup %} | ||
|
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||
| <p>The CGAL Editorial Board was invited by <a href="https://www.accenture.com/fr-fr">Accenture France</a> | ||
| to perform a self-assessment. | ||
| This one week workshop in a monastery in the Maritime Alps was a unique experience, and it came | ||
| to us as the price of the <em>SoCG Test of Time Award</em> that the CGAL Project received last June. | ||
| The workshop led to the insight, that to attact even more brillant people than today, | ||
| we have to give up our egoless programming culture, which, ironically, had been | ||
| promoted by the same consulting firm around the year 2000.</p> | ||
|
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||
| <p>While it is true that developers are listed as authors of the Manual chapters | ||
| the discussion with the bahavioral psychologists of Accenture made us understand | ||
| that people expect much more recognition. So do not be surprised when in CGAL 6.0 | ||
| you will encounter the <code>CGAL::Hyperbolic_Teillaud_diagram_2</code> as well as the <code>CGAL::Oesau_graph_3</code>. | ||
| </p> | ||
|
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||
| <br> | ||
| <h3>Welcome Nicolas Bourbaki</h3> | ||
|
|
||
| <p>In the workshop we also learned that we have to develop a <em>Welcome Culture</em> | ||
| which puts new developers in the spot light, even before they have made a first contribution. | ||
| We will do a better job for our 2024 Google Summmer of Code students, but let's start | ||
| with <em>Nicolas Bourbaki</em>, who currently works at <em>Ecole Normale Superieure</em> in Paris.</p> | ||
|
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||
| <p>Nicolas first contribution will be a <em>Curves and Surfaces</em> package, | ||
| featuring the <a href="https://mathcurve.com/courbes2d.gb/oeuf/oeuf.shtml">Huegelschaeffer Egg</a> | ||
| and the <a href="https://mathcurve.com/courbes2d.gb/conchoiddecercle/conchoiddecercle.shtml">Conchoid</a> curve, as well as the <a href="https://mathcurve.com/surfaces/seifert/seifert.shtml">Seifert</a> surface.</p> | ||
|
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|
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| <div style="text-align:center;"> | ||
| <a href="../../../../../images/April24/huegelschaeffer.gif"><img src="../../../../../images/April24/huegelschaeffer.gif" style="max-width:85%"/></a><br> | ||
| <br><small>The Huegelschaeffer egg curve.</small> | ||
| </div> | ||
|
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||
| <p>These curves and surfaces may seem of only theoretical interest which, however, is completely wrong. | ||
| The conchoid is strongly related to the study of linkages of autonomous humanoid robotics, | ||
| while the Seifert surface led to the invention of the | ||
| <a href="https://www.youtube.com/watch?v=SwkWP--UQFA">Quechua 2</a> tent made by Decathlon.</p> | ||
|
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||
|
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||
| <h3>Back to the Physical World</h3> | ||
|
|
||
| <p>While a <a href="https://www.cgal.org/people.html">People</a> web page is a nice living document | ||
| we decided to produce a <em>physical twin</em> with portrait photos not made with an iphone | ||
| but by a portrait photograph. We are grateful to the Inria Research Center in Sophia-Antipolis | ||
| which offers a physical wall in the Gilles Kahn Auditorium for hosting the CGAL Editorial Board Gallery. | ||
|
|
||
|
|
||
| <p><b>This April joke came with a <a href="{{BASE_PATH}}/April24/index.html">gallery.</a></b></p> |
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| \documentclass[12pt,a4paper]{article} | ||
|
|
||
| \pagestyle{empty} % no page number | ||
| \parskip 16pt % space between paragraphs | ||
| \parindent 0pt % indent for new paragraph | ||
|
|
||
| \usepackage[T1]{fontenc} | ||
| \usepackage{slantsc} | ||
| \usepackage{geometry} | ||
| \geometry{left=0.5in,top=0.5in,right=0.5in,bottom=0.5in} %margins | ||
| \usepackage{tikz} | ||
| \usepackage{color,framed} | ||
| \usepackage{calc} | ||
| \usepackage{alltt,url} | ||
| \usepackage{bold-extra} | ||
| \usepackage{anyfontsize} | ||
| \usepackage{multirow} | ||
|
|
||
| \newcommand{\cgal}{\textsc{Cgal}} | ||
| \linespread{1.05} | ||
|
|
||
| \begin{document} | ||
| \begin{framed} | ||
| \vspace{10pt} | ||
| \newlength{\cgalwidth}\setlength{\cgalwidth}{\linewidth} | ||
| %\centering\includegraphics[width=\cgalwidth]{../../images/logos/google.png} | ||
| %\centering\includegraphics[width=0.3\cgalwidth]{home-banner-world.png} | ||
| %\centering\includegraphics[width=0.22\cgalwidth]{og-image.png} | ||
| %% \begin{tabular}{cc} | ||
| %% \multirow{1}*[28pt]{\includegraphics[width=0.1\cgalwidth]{../../images/og-image.png}} & {\fontsize{1.4cm}{1.4cm}\selectfont \textbf{Google Summer of Code}} | ||
| %% \end{tabular} | ||
| \includegraphics[width=\cgalwidth]{../../images/gsoc/GSoC-Horizontal.png} | ||
| \begin{center} | ||
| \textbf{\Huge Looking for a Cool Summer Job?} | ||
| \end{center} | ||
| \textbf{\large The Computational Geometry Algorithm Library | ||
| (\cgal{}) open-source project, has been accepted to participate in | ||
| the 2024 Google Summer of Code (GSoC) program; see | ||
| \url{https://g.co/gsoc}. This means that | ||
| Google is supporting \cgal{} by funding several internships | ||
| potentially from all over the world, for writing code under the | ||
| guidance of experienced developers, so called mentors.} | ||
|
|
||
| \textbf{{\large If you are a smart developer, have the time, and | ||
| would like to contribute and to get paid for that, you should | ||
| apply! If you have some master or PhD students who can spend their | ||
| summer (full time) on a nice \cgal{} project, please advise them | ||
| to apply.} Applications are accepted till April~2\textsuperscript{nd}.} | ||
|
|
||
| \textbf{\large We have already listed several ideas for projects and | ||
| instructions to applicants at | ||
| \url{https://github.com/CGAL/cgal/wiki/Project-Ideas}. If you | ||
| find a project that suits your expertise and interest, contact the | ||
| mentor of the project to get acquainted with her or him and to | ||
| obtain more details.} | ||
|
|
||
| \textbf{Programming online from their home, GSoC contributors spend | ||
| 12+ weeks on their projects earning stipends upon completion of | ||
| their milestones. Volunteer mentors help GSoC contributors plan | ||
| their time, answer questions and provide guidance on best | ||
| practices, project-specific tools, and community norms while | ||
| helping integrate GSoC contributors into their communities.} | ||
|
|
||
| \textbf{GSoC contributors receive an invaluable learning experience, | ||
| an introduction to the global FOSS community and something that | ||
| potential employers love to see on resumes!} | ||
|
|
||
| \centering\includegraphics[width=\cgalwidth]{../../images/cgal_front_page_2013.png} | ||
| \end{framed} | ||
| \end{document} |
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