657 lines
		
	
	
		
			No EOL
		
	
	
		
			24 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
			
		
		
	
	
			657 lines
		
	
	
		
			No EOL
		
	
	
		
			24 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head>
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<meta charset="utf-8">
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<meta name="generator" content="quarto-1.6.43">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>About – DOCUMENTATION</title>
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<style>
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code{white-space: pre-wrap;}
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span.smallcaps{font-variant: small-caps;}
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div.columns{display: flex; gap: min(4vw, 1.5em);}
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div.column{flex: auto; overflow-x: auto;}
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div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
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ul.task-list{list-style: none;}
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ul.task-list li input[type="checkbox"] {
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  width: 0.8em;
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  margin: 0 0.8em 0.2em -1em; /* quarto-specific, see https://github.com/quarto-dev/quarto-cli/issues/4556 */ 
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  vertical-align: middle;
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}
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</style>
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<script src="site_libs/quarto-nav/quarto-nav.js"></script>
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<script src="site_libs/quarto-nav/headroom.min.js"></script>
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<script src="site_libs/clipboard/clipboard.min.js"></script>
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<script src="site_libs/quarto-search/autocomplete.umd.js"></script>
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<script src="site_libs/quarto-search/fuse.min.js"></script>
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<script src="site_libs/quarto-search/quarto-search.js"></script>
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<meta name="quarto:offset" content="./">
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<script src="site_libs/quarto-html/quarto.js"></script>
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<script src="site_libs/quarto-html/popper.min.js"></script>
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<script src="site_libs/quarto-html/tippy.umd.min.js"></script>
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<script src="site_libs/quarto-html/anchor.min.js"></script>
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<link href="site_libs/quarto-html/tippy.css" rel="stylesheet">
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<link href="site_libs/quarto-html/quarto-syntax-highlighting-d4d76bf8491c20bad77d141916dc28e1.css" rel="stylesheet" id="quarto-text-highlighting-styles">
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<script src="site_libs/bootstrap/bootstrap.min.js"></script>
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<link href="site_libs/bootstrap/bootstrap-icons.css" rel="stylesheet">
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<link href="site_libs/bootstrap/bootstrap-0b62b3ae9f91ee9cb3e3735b19b48bef.min.css" rel="stylesheet" append-hash="true" id="quarto-bootstrap" data-mode="light">
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<script id="quarto-search-options" type="application/json">{
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  "location": "navbar",
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  "copy-button": false,
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  "collapse-after": 3,
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  "panel-placement": "end",
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  "type": "overlay",
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    "/",
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    "s"
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  ],
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  "show-item-context": false,
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  "language": {
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    "search-no-results-text": "No results",
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    "search-matching-documents-text": "matching documents",
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    "search-copy-link-title": "Copy link to search",
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    "search-hide-matches-text": "Hide additional matches",
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    "search-more-match-text": "more match in this document",
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    "search-more-matches-text": "more matches in this document",
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    "search-clear-button-title": "Clear",
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    "search-text-placeholder": "",
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    "search-detached-cancel-button-title": "Cancel",
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    "search-submit-button-title": "Submit",
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    "search-label": "Search"
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  }
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}</script>
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</head>
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<body class="nav-sidebar docked nav-fixed">
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<div id="quarto-search-results"></div>
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  <header id="quarto-header" class="headroom fixed-top">
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    <nav class="navbar navbar-expand-lg " data-bs-theme="dark">
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      <div class="navbar-container container-fluid">
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      <div class="navbar-brand-container mx-auto">
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    <a href="./index.html" class="navbar-brand navbar-brand-logo">
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    <img src="./img/Logo.png" alt="" class="navbar-logo">
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    </a>
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    <a class="navbar-brand" href="./index.html">
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    <span class="navbar-title">DOCUMENTATION</span>
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    </a>
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  </div>
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            <div id="quarto-search" class="" title="Search"></div>
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          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse" aria-controls="navbarCollapse" role="menu" aria-expanded="false" aria-label="Toggle navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
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  <span class="navbar-toggler-icon"></span>
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</button>
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          <div class="collapse navbar-collapse" id="navbarCollapse">
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            <ul class="navbar-nav navbar-nav-scroll me-auto">
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  <li class="nav-item">
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    <a class="nav-link" href="https://virtuos.world"> 
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<span class="menu-text">Homepage</span></a>
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  </li>  
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</ul>
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          </div> <!-- /navcollapse -->
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            <div class="quarto-navbar-tools">
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</div>
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      </div> <!-- /container-fluid -->
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    </nav>
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  <nav class="quarto-secondary-nav">
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    <div class="container-fluid d-flex">
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      <button type="button" class="quarto-btn-toggle btn" data-bs-toggle="collapse" role="button" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">
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        <i class="bi bi-layout-text-sidebar-reverse"></i>
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      </button>
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        <nav class="quarto-page-breadcrumbs" aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item">About</li></ol></nav>
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        <a class="flex-grow-1" role="navigation" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item" aria-controls="quarto-sidebar" aria-expanded="false" aria-label="Toggle sidebar navigation" onclick="if (window.quartoToggleHeadroom) { window.quartoToggleHeadroom(); }">      
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        </a>
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      <button type="button" class="btn quarto-search-button" aria-label="Search" onclick="window.quartoOpenSearch();">
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        <i class="bi bi-search"></i>
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      </button>
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    </div>
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  </nav>
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</header>
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<!-- content -->
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<div id="quarto-content" class="quarto-container page-columns page-rows-contents page-layout-article page-navbar">
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<!-- sidebar -->
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  <nav id="quarto-sidebar" class="sidebar collapse collapse-horizontal quarto-sidebar-collapse-item sidebar-navigation docked overflow-auto">
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        <div class="mt-2 flex-shrink-0 align-items-center">
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        <div class="sidebar-search">
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        <div id="quarto-search" class="" title="Search"></div>
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        </div>
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        </div>
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    <div class="sidebar-menu-container"> 
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    <ul class="list-unstyled mt-1">
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        <li class="sidebar-item">
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  <div class="sidebar-item-container"> 
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  <a href="./index.html" class="sidebar-item-text sidebar-link">
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 <span class="menu-text">Overview</span></a>
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  </div>
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</li>
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        <li class="sidebar-item sidebar-item-section">
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      <div class="sidebar-item-container"> 
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            <a class="sidebar-item-text sidebar-link text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-1" role="navigation" aria-expanded="true">
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 <span class="menu-text">Getting Started</span></a>
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          <a class="sidebar-item-toggle text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-1" role="navigation" aria-expanded="true" aria-label="Toggle section">
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            <i class="bi bi-chevron-right ms-2"></i>
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          </a> 
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      </div>
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      <ul id="quarto-sidebar-section-1" class="collapse list-unstyled sidebar-section depth1 show">  
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          <li class="sidebar-item">
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  <div class="sidebar-item-container"> 
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  <a href="./sites/getstarted.html" class="sidebar-item-text sidebar-link">
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 <span class="menu-text">Project Setup</span></a>
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  </div>
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</li>
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      </ul>
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  </li>
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        <li class="sidebar-item sidebar-item-section">
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      <div class="sidebar-item-container"> 
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            <a class="sidebar-item-text sidebar-link text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-2" role="navigation" aria-expanded="true">
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 <span class="menu-text">Code Snippets</span></a>
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          <a class="sidebar-item-toggle text-start" data-bs-toggle="collapse" data-bs-target="#quarto-sidebar-section-2" role="navigation" aria-expanded="true" aria-label="Toggle section">
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            <i class="bi bi-chevron-right ms-2"></i>
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          </a> 
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      </div>
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      <ul id="quarto-sidebar-section-2" class="collapse list-unstyled sidebar-section depth1 show">  
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          <li class="sidebar-item">
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  <div class="sidebar-item-container"> 
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  <a href="./sites/codesnippets/getstarted.html" class="sidebar-item-text sidebar-link">
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 <span class="menu-text">Code</span></a>
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  </div>
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</li>
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      </ul>
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  </li>
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        <li class="sidebar-item">
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  <div class="sidebar-item-container"> 
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  <a href="./sites/webservices.html" class="sidebar-item-text sidebar-link">
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 <span class="menu-text">Webservices</span></a>
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  </div>
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</li>
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        <li class="sidebar-item">
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  <div class="sidebar-item-container"> 
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  <a href="./sites/styleguide.html" class="sidebar-item-text sidebar-link">
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 <span class="menu-text">Styleguide</span></a>
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  </div>
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</li>
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    </ul>
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    </div>
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</nav>
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<div id="quarto-sidebar-glass" class="quarto-sidebar-collapse-item" data-bs-toggle="collapse" data-bs-target=".quarto-sidebar-collapse-item"></div>
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<!-- margin-sidebar -->
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    <div id="quarto-margin-sidebar" class="sidebar margin-sidebar zindex-bottom">
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    </div>
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<!-- main -->
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<main class="content" id="quarto-document-content">
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<header id="title-block-header" class="quarto-title-block default">
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<div class="quarto-title">
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<h1 class="title">About</h1>
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</div>
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<div class="quarto-title-meta">
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  </div>
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</header>
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<p>About this site</p>
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</main> <!-- /main -->
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<script id="quarto-html-after-body" type="application/javascript">
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window.document.addEventListener("DOMContentLoaded", function (event) {
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    const button = e.trigger;
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    button.classList.add('code-copy-button-checked');
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    let tooltip;
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      button.setAttribute("data-bs-title", "Copied!");
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        { trigger: "manual", 
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          customClass: "code-copy-button-tooltip",
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          offset: [0, -8]});
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        tooltip.hide();
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    }, 1000);
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						||
    // clear code selection
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						||
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      return codeEl.innerText;
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						||
  }
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						||
  const clipboard = new window.ClipboardJS('.code-copy-button:not([data-in-quarto-modal])', {
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						||
    text: getTextToCopy
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						||
  });
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						||
  clipboard.on('success', onCopySuccess);
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						||
  if (window.document.getElementById('quarto-embedded-source-code-modal')) {
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						||
    const clipboardModal = new window.ClipboardJS('.code-copy-button[data-in-quarto-modal]', {
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						||
      text: getTextToCopy,
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						||
      container: window.document.getElementById('quarto-embedded-source-code-modal')
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						||
    });
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    clipboardModal.on('success', onCopySuccess);
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						||
  }
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						||
      if (note.children && note.children.length > 2) {
 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
            container.appendChild(child.cloneNode(true));
 | 
						||
            break;
 | 
						||
          }
 | 
						||
        }
 | 
						||
        if (window.Quarto?.typesetMath) {
 | 
						||
          window.Quarto.typesetMath(container);
 | 
						||
        }
 | 
						||
        return container.innerHTML
 | 
						||
      } else {
 | 
						||
        if (window.Quarto?.typesetMath) {
 | 
						||
          window.Quarto.typesetMath(note);
 | 
						||
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 | 
						||
        return note.innerHTML;
 | 
						||
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 | 
						||
    } else {
 | 
						||
      // Remove any anchor links if they are present
 | 
						||
      const anchorLink = note.querySelector('a.anchorjs-link');
 | 
						||
      if (anchorLink) {
 | 
						||
        anchorLink.remove();
 | 
						||
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 | 
						||
      if (window.Quarto?.typesetMath) {
 | 
						||
        window.Quarto.typesetMath(note);
 | 
						||
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 | 
						||
      if (note.classList.contains("callout")) {
 | 
						||
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 | 
						||
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 | 
						||
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						||
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						||
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						||
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						||
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						||
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						||
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 | 
						||
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 | 
						||
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 | 
						||
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						||
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						||
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						||
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						||
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						||
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						||
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						||
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 | 
						||
          // See if we can fetch this
 | 
						||
          fetch(url.split('#')[0])
 | 
						||
          .then(res => res.text())
 | 
						||
          .then(html => {
 | 
						||
            const parser = new DOMParser();
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						||
            const htmlDoc = parser.parseFromString(html, "text/html");
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						||
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						||
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						||
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						||
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 | 
						||
        // See if we can fetch a full url (with no hash to target)
 | 
						||
        // This is a special case and we should probably do some content thinning / targeting
 | 
						||
        fetch(url)
 | 
						||
        .then(res => res.text())
 | 
						||
        .then(html => {
 | 
						||
          const parser = new DOMParser();
 | 
						||
          const htmlDoc = parser.parseFromString(html, "text/html");
 | 
						||
          const note = htmlDoc.querySelector('main.content');
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						||
          if (note !== null) {
 | 
						||
            // This should only happen for chapter cross references
 | 
						||
            // (since there is no id in the URL)
 | 
						||
            // remove the first header
 | 
						||
            if (note.children.length > 0 && note.children[0].tagName === "HEADER") {
 | 
						||
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 | 
						||
            const html = processXRef(null, note);
 | 
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 | 
						||
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 | 
						||
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						||
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						||
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						||
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 | 
						||
      let selectedAnnoteEl;
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						||
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 | 
						||
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 | 
						||
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						||
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 | 
						||
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						||
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 | 
						||
        const doc = window.document;
 | 
						||
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 | 
						||
        const targetAnnotation = annoteEl.getAttribute("data-target-annotation");
 | 
						||
        const annoteSpan = window.document.querySelector(selectorForAnnotation(targetCell, targetAnnotation));
 | 
						||
        const lines = annoteSpan.getAttribute("data-code-lines").split(",");
 | 
						||
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 | 
						||
          return targetCell + "-" + line;
 | 
						||
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 | 
						||
        let top = null;
 | 
						||
        let height = null;
 | 
						||
        let parent = null;
 | 
						||
        if (lineIds.length > 0) {
 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
            height = el.offsetHeight;
 | 
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 | 
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 | 
						||
            const lastEl = window.document.getElementById(lineIds[lineIds.length - 1]);
 | 
						||
            const bottom = lastEl.offsetTop + lastEl.offsetHeight;
 | 
						||
            height = bottom - top;
 | 
						||
          }
 | 
						||
          if (top !== null && height !== null && parent !== null) {
 | 
						||
            // cook up a div (if necessary) and position it 
 | 
						||
            let div = window.document.getElementById("code-annotation-line-highlight");
 | 
						||
            if (div === null) {
 | 
						||
              div = window.document.createElement("div");
 | 
						||
              div.setAttribute("id", "code-annotation-line-highlight");
 | 
						||
              div.style.position = 'absolute';
 | 
						||
              parent.appendChild(div);
 | 
						||
            }
 | 
						||
            div.style.top = top - 2 + "px";
 | 
						||
            div.style.height = height + 4 + "px";
 | 
						||
            div.style.left = 0;
 | 
						||
            let gutterDiv = window.document.getElementById("code-annotation-line-highlight-gutter");
 | 
						||
            if (gutterDiv === null) {
 | 
						||
              gutterDiv = window.document.createElement("div");
 | 
						||
              gutterDiv.setAttribute("id", "code-annotation-line-highlight-gutter");
 | 
						||
              gutterDiv.style.position = 'absolute';
 | 
						||
              const codeCell = window.document.getElementById(targetCell);
 | 
						||
              const gutter = codeCell.querySelector('.code-annotation-gutter');
 | 
						||
              gutter.appendChild(gutterDiv);
 | 
						||
            }
 | 
						||
            gutterDiv.style.top = top - 2 + "px";
 | 
						||
            gutterDiv.style.height = height + 4 + "px";
 | 
						||
          }
 | 
						||
          selectedAnnoteEl = annoteEl;
 | 
						||
        }
 | 
						||
      };
 | 
						||
      const unselectCodeLines = () => {
 | 
						||
        const elementsIds = ["code-annotation-line-highlight", "code-annotation-line-highlight-gutter"];
 | 
						||
        elementsIds.forEach((elId) => {
 | 
						||
          const div = window.document.getElementById(elId);
 | 
						||
          if (div) {
 | 
						||
            div.remove();
 | 
						||
          }
 | 
						||
        });
 | 
						||
        selectedAnnoteEl = undefined;
 | 
						||
      };
 | 
						||
        // Handle positioning of the toggle
 | 
						||
    window.addEventListener(
 | 
						||
      "resize",
 | 
						||
      throttle(() => {
 | 
						||
        elRect = undefined;
 | 
						||
        if (selectedAnnoteEl) {
 | 
						||
          selectCodeLines(selectedAnnoteEl);
 | 
						||
        }
 | 
						||
      }, 10)
 | 
						||
    );
 | 
						||
    function throttle(fn, ms) {
 | 
						||
    let throttle = false;
 | 
						||
    let timer;
 | 
						||
      return (...args) => {
 | 
						||
        if(!throttle) { // first call gets through
 | 
						||
            fn.apply(this, args);
 | 
						||
            throttle = true;
 | 
						||
        } else { // all the others get throttled
 | 
						||
            if(timer) clearTimeout(timer); // cancel #2
 | 
						||
            timer = setTimeout(() => {
 | 
						||
              fn.apply(this, args);
 | 
						||
              timer = throttle = false;
 | 
						||
            }, ms);
 | 
						||
        }
 | 
						||
      };
 | 
						||
    }
 | 
						||
      // Attach click handler to the DT
 | 
						||
      const annoteDls = window.document.querySelectorAll('dt[data-target-cell]');
 | 
						||
      for (const annoteDlNode of annoteDls) {
 | 
						||
        annoteDlNode.addEventListener('click', (event) => {
 | 
						||
          const clickedEl = event.target;
 | 
						||
          if (clickedEl !== selectedAnnoteEl) {
 | 
						||
            unselectCodeLines();
 | 
						||
            const activeEl = window.document.querySelector('dt[data-target-cell].code-annotation-active');
 | 
						||
            if (activeEl) {
 | 
						||
              activeEl.classList.remove('code-annotation-active');
 | 
						||
            }
 | 
						||
            selectCodeLines(clickedEl);
 | 
						||
            clickedEl.classList.add('code-annotation-active');
 | 
						||
          } else {
 | 
						||
            // Unselect the line
 | 
						||
            unselectCodeLines();
 | 
						||
            clickedEl.classList.remove('code-annotation-active');
 | 
						||
          }
 | 
						||
        });
 | 
						||
      }
 | 
						||
  const findCites = (el) => {
 | 
						||
    const parentEl = el.parentElement;
 | 
						||
    if (parentEl) {
 | 
						||
      const cites = parentEl.dataset.cites;
 | 
						||
      if (cites) {
 | 
						||
        return {
 | 
						||
          el,
 | 
						||
          cites: cites.split(' ')
 | 
						||
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 | 
						||
      } else {
 | 
						||
        return findCites(el.parentElement)
 | 
						||
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 | 
						||
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 | 
						||
      return undefined;
 | 
						||
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 | 
						||
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 | 
						||
  var bibliorefs = window.document.querySelectorAll('a[role="doc-biblioref"]');
 | 
						||
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 | 
						||
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 | 
						||
    const citeInfo = findCites(ref);
 | 
						||
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 | 
						||
      tippyHover(citeInfo.el, function() {
 | 
						||
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 | 
						||
        citeInfo.cites.forEach(function(cite) {
 | 
						||
          var citeDiv = window.document.createElement('div');
 | 
						||
          citeDiv.classList.add('hanging-indent');
 | 
						||
          citeDiv.classList.add('csl-entry');
 | 
						||
          var biblioDiv = window.document.getElementById('ref-' + cite);
 | 
						||
          if (biblioDiv) {
 | 
						||
            citeDiv.innerHTML = biblioDiv.innerHTML;
 | 
						||
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 | 
						||
          popup.appendChild(citeDiv);
 | 
						||
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 | 
						||
        return popup.innerHTML;
 | 
						||
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 | 
						||
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 | 
						||
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 | 
						||
});
 | 
						||
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