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Draw Graph.html
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Draw Graph.html
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<!DOCTYPE html> <!-- 21/11/23 -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Music Graph</title>
<link rel="icon" href="helpers-external/ngraph-html/images/icon.png">
<script type="text/javascript" src="helpers-external/ngraph-html/vivagraph.js"></script>
<script type="text/javascript" src="helpers-external/ngraph-html/jquery.js"></script> <!-- slim -->
<script type="text/javascript" src="helpers-external/ngraph-html/invert.js"></script>
<script type="text/javascript" src="helpers-external/ngraph-html/starpoints.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/defaultSettings.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/heuristics.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/makeNBASearchStatePool.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/NodeHeap.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/a-star.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/a-greedy-star.js"></script>
<script type="text/javascript" src="helpers-external/ngraph/NBA.js"></script>
<script type="text/javascript" src="main/search_by_distance/ngraph_helpers_xxx.js"></script>
<script type="text/javascript" src="helpers/helpers_xxx_statistics.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_html_xxx.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_xxx.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_descriptors_xxx.js"></script>
<!-- Try to load the user file at data otherwise the default one -->
<script>
'use strict';
(() => {
const fnOnLoad = function () {console.log('User descriptors file loaded at: ' + this.src);}
const path = '../../../js_data/', file = 'helpers/music_graph_descriptors_xxx_user.js';
const script = document.createElement('script');
script.src = path + file;
script.onload = fnOnLoad;
script.onerror = () => {
const scriptFallback = document.createElement('script');
scriptFallback.src = file;
scriptFallback.onload = fnOnLoad;
document.head.append(scriptFallback);
};
document.head.append(script);
})()
</script>
<script type="text/javascript" src="main/map/region_xxx.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_descriptors_xxx_countries.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_descriptors_xxx_culture.js"></script>
<script type="text/javascript" src="main/music_graph/music_graph_descriptors_xxx_helper.js"></script>
<script type="text/javascript" src="main/world_map/world_map_tables.js"></script>
<script type="text/javascript" src="helpers-external/xelection-js/xelection.js"></script>
<script type="text/javascript">
const influenceMethod = 'adjacentNodes';
function onLoad() {
const idealLength = music_graph_descriptors.cluster; //Uses default cluster weighting
const bGraphDebug = true; // Change this to omit warnings about links/nodes set wrong
var nodeSize = 10; // Default fallbacks
var nodeColor = 'white';
var nodeShape = 'rect';
var nodeImageLink = '';
const lineShape = 'stroke';
const lineColor = '#c3c3c3';
const bPreRender = music_graph_descriptors.bPreRender;
const renderMethod = music_graph_descriptors.renderMethod;
const map_colors = new Map(music_graph_descriptors.map_colors);
const lengthMultiplier = 1;
// Create the graph from foobar scripts:
var graph = musicGraphForDrawing();
if (bGraphDebug) {graphDebug(graph, false, true);}
/*
SVG Renderer
*/
var processingElement = document.getElementById('graphContainer');
var layout;
var renderer;
var graphics;
if (renderMethod == 'realDistance') { //Uses only link's weight
layout = Viva.Graph.Layout.forceDirected(graph, {
// We are telling force directed layout, that we want to change length of each physical spring by overriding `springTransform` method:
springTransform: function (link, spring) {spring.length = link.data.weight * lengthMultiplier;}
});
} else if (renderMethod == 'graphWeighted') { //Uses link's weight along gravity and link centrality
layout = Viva.Graph.Layout.forceDirected(graph, {
springCoeff : 0.0008,
//dragCoeff : 0.0001,
gravity : -10,
springTransform: function (link, spring) {spring.length = link.data.weight * lengthMultiplier;}
});
} else if (renderMethod == 'graph') { //Gravity and link centrality
layout = Viva.Graph.Layout.forceDirected(graph, {
springLength : 1,
springCoeff : 0.0004,
dragCoeff : 0.10,
gravity : -1.2
});
}
if (bPreRender) {precompute(2000, renderGraph);}
else {renderGraph()}
// we need to compute layout, but we don't want to freeze the browser
function precompute(iterations, callback) {
// let's run 10 iterations per event loop cycle:
let i = 0;
while (iterations > 0 && i < 10) {
layout.step();
iterations--;
i++;
}
processingElement.innerHTML = '<span style="color:white; position: relative; left: 50%; top: 50%;">Layout precompute: ' + iterations + '</span>';
if (iterations > 0) {
setTimeout(function () {
precompute(iterations, callback);
}, 0); // keep going in next even cycle
} else {
// we are done!
processingElement.innerHTML = ''
callback();
}
}
let oldnode = null;
function renderGraph() {
graphics = Viva.Graph.View.svgGraphics();
graphics.node(function(node) { //NODES
// Adds color data to nodes
if (node.data !== undefined) {
if (node.data.color !== undefined && node.data.color !== null) {
nodeColor = node.data.color;
}
if (node.data.size !== undefined && node.data.size !== null) {
nodeSize = node.data.size;
}
if (node.data.shape !== undefined && node.data.shape !== null) {
nodeShape = node.data.shape;
if (node.data.imageLink !== undefined && node.data.imageLink !== null) {
nodeImageLink = node.data.imageLink;
}
}
}
// Shape
let ui;
if (nodeShape === 'circle') { // Circles
nodeSize = nodeSize / 1.414 //Radious is 1/sqrt(2) of rectangle side
ui = Viva.Graph.svg('circle')
.attr('r', nodeSize)
.attr('fill', nodeColor)
.attr('shape', 'circle');
} else if (nodeShape === 'star') { // Stars
ui = Viva.Graph.svg('polygon')
.attr('points', getStarPoints(nodeSize))
.attr('fill', nodeColor)
.attr('shape', 'star')
.attr('size', nodeSize);
} else if (nodeShape === 'image') { // local or internet images
ui = Viva.Graph.svg('image')
.attr('width', nodeSize)
.attr('height', nodeSize)
.link(nodeImageLink)
.attr('shape', 'image');
} else { // Rectangles and fallback
if (nodeShape !== 'rect') {console.log('"' + nodeShape + '" is not a valid shape for node generation. Check "music_graph_descriptors_xxx.js"');} // Warning if shapes data is wrong
ui = Viva.Graph.svg('rect')
.attr('width', nodeSize)
.attr('height', nodeSize)
.attr('fill', nodeColor)
.attr('shape', 'rect');
}
// Highlight links on hover
$(ui).hover(function(e) { // mouse over
if (oldnode !== null && e.shiftKey) {
highlightPath(oldnode, node, true); // Show path
showNode(oldnode.id); // Show info from selected node
findLink(oldnode, node); // Show info from hovered node
} else {
highlightRelatedNodes(node.id, true);
showNode(node.id, true); // Show info from current node
showLinks(node.id, true);
}
}, function() { // mouse out
highlightRelatedNodes(node.id, false);
if (oldnode === null) { // Show info from previously selected node if available
showNode(null, true);
showLinks(null, true);
} else {
showNode(oldnode.id);
showLinks(oldnode.id);
highlightPath(oldnode, node, false); // Hide path
}
});
// Show node an link on click
$(ui).mousedown(function() {
showNode(node.id);
showLinks(node.id);
oldnode = node;
});
return ui;
}).placeNode(function(nodeUI, pos) {
let xNodePos = 'x'; // Default for rectangular shapes
let yNodePos = 'y';
let offset = nodeSize / 2;
if (nodeUI.getAttribute('shape') !== undefined) { // We need position according to shape and sizes. Note every node may have different size!
if (nodeUI.getAttribute('shape') === 'circle') {
xNodePos = 'cx';
yNodePos = 'cy';
nodeUI.attr(xNodePos, pos.x).attr(yNodePos, pos.y); //offset is zero for circles = center
} else if (nodeUI.getAttribute('shape') === 'star') {
nodeSize = nodeUI.getAttribute('size');
let offsetX = pos.x - nodeSize / 2;
let offsetY = pos.y - nodeSize / 2;
nodeUI.attr('points', getStarPointsOffset(nodeSize, offsetX, offsetY)); //Redraw at new position (offset X,Y)
} else {
nodeSize = nodeUI.getAttribute('width');
offset = nodeSize / 2; //Note this is new nodeSize
nodeUI.attr(xNodePos, pos.x - offset).attr(yNodePos, pos.y - offset);
}
}
});
graphics.link(function(link){ //LINKS
// adds color data to nodes
let newLineShape;
let newLineColor;
if (link.data !== undefined) {
if (link.data.linecolor !== undefined && link.data.linecolor !== null) {
newLineColor = link.data.linecolor;
}
if (link.data.lineshape !== undefined && link.data.lineshape !== null) {
newLineShape = link.data.lineshape;
}
}
let ui = Viva.Graph.svg('path')
.attr(newLineColor ? newLineColor[0] : lineShape, newLineColor ? newLineColor[1] : lineColor)
.attr(newLineShape ? newLineShape[0] : null, newLineShape ? newLineShape[1] : null);
return ui;
}).placeLink(function(linkUI, fromPos, toPos) {
// linkUI - is the object returend from link() callback above.
let data = 'M' + fromPos.x + ',' + fromPos.y +
'L' + toPos.x + ',' + toPos.y;
// 'Path data' (http://www.w3.org/TR/SVG/paths.html#DAttribute )
// is a common way of rendering paths in SVG:
linkUI.attr('d', data);
});
renderer = Viva.Graph.View.renderer(graph, {
layout : layout,
graphics: graphics,
container: document.getElementById('graphContainer'),
prerender: bPreRender,
interactive: 'scroll drag'
});
renderer.run();
// Final bit: most likely graph will take more space than available
// screen. Let's zoom out to fit it into the view:
let graphRect = layout.getGraphRect();
let graphSize = Math.min(graphRect.x2 - graphRect.x1, graphRect.y2 - graphRect.y1);
let screenSize = Math.min(document.body.clientWidth, document.body.clientHeight);
let desiredScale = screenSize / graphSize - screenSize / graphSize * 0.2; // A bit more to be sure
zoomOut(desiredScale, 1);
}
/*
HELPERS
*/
function zoomOut(desiredScale, currentScale) {
// zoom API in vivagraph 0.5.x is silly. There is no way to pass transform
// directly. Maybe it will be fixed in future, for now this is the best I could do:
if (desiredScale < currentScale) {
currentScale = renderer.zoomOut();
setTimeout(function () {
zoomOut(desiredScale, currentScale);
}, 16);
}
}
// Reset renderer on space bar
document.body.addEventListener('keydown', function (e) {
if (typeof renderer === 'undefined') {return;} // ommit while loading page
if (e.which === 32) { // spacebar
renderer.reset();
// And zoom out
let graphRect = layout.getGraphRect();
let graphSize = Math.min(graphRect.x2 - graphRect.x1, graphRect.y2 - graphRect.y1);
let screenSize = Math.min(document.body.clientWidth, document.body.clientHeight);
let desiredScale = screenSize / graphSize - screenSize / graphSize * 0.2;
zoomOut(desiredScale, 1);
}
});
// SuperGenre/Node Color label legend
let paragraph = document.getElementById('label');
let text = '<div id="labelHeader">SuperGenre Labels</div>';
function logMapElements(value, key, map) {
let aCheck = key.replace('_supergenre','');
if (aCheck != key) { // We only wants supergenre strings
let bCheck = aCheck.replace('Folk','');
entry = bCheck.replace('Classical','');
if (entry == aCheck) { // We treat Colks and Classical supergenres appart
text += '<span style="color:' + value + ';">' + entry + '</span>' + '<br>';
return;
} else if (entry == bCheck && text.replace('Folk','') == text) { //Folk
text += '<span style="color:' + value + ';">' + 'Folk Music' + '</span>' + '<br>';
return;
} else if (entry != bCheck && text.replace('Classical','') == text) { //Classical
text += '<span style="color:' + value + ';">' + 'Classical Music' + '</span>' + '<br>';
return;
}
}
}
map_colors.forEach(logMapElements);
paragraph.innerHTML = text;
dragElement(paragraph);
// Selected node label at top, and list of links
function showNode(nodeId, bHover = false) {
let bgcolor = '#fff';
let textColor = '#000';
let borderColor = '#9b9b9b';
if (graph.getNode(nodeId) !== undefined && graph.getNode(nodeId).data !== undefined && graph.getNode(nodeId).data.color !== undefined) {
bgcolor = graph.getNode(nodeId).data.color;
textColor = invertToBW(bgcolor,true);
borderColor = invertToBW(bgcolor,true);
}
let text = ''
if (bHover) {
if (nodeId === null) {
text = 'Highlighted node: - ';
} else {
text = 'Highlighted node: <span style="background:' + bgcolor + ';color:' + textColor + ';border: 1px dashed ' + borderColor + ';"> ' + nodeId + ' </span>';
}
} else {
text = 'Selected node: <span style="background:' + bgcolor + ';color:' + textColor + ';border: 1px dashed ' + borderColor + ';"> ' + (nodeId !== null ? nodeId : '') + ' </span>';
}
let paragraph = document.getElementById('nodehighlight');
paragraph.innerHTML = text;
}
function showLinks(nodeId) {
let bgcolor = '#fff';
let textColor = '#000';
let borderColor = '#9b9b9b';
let text = '';
let textSize = '1.6vmin';
let linkDistance = -1;
let count = 0;
graph.forEachLinkedNode(nodeId, function(node, link){ //List of links
if (count < 16) {
if (link.id !== undefined && link.id !== null) {
if (link.data.linecolor !== undefined && link.data.linecolor[1] !== null) {
bgcolor = link.data.linecolor[1];
textColor = invertToBW(bgcolor,true);
borderColor = invertToBW(bgcolor,true);
}
if (link.data.weight !== undefined && link.data.weight !== null) {
<!-- linkDistance = link.data.weight; -->
const {distance, influence} = calcGraphDistance(graph, link.fromId, link.toId, true, influenceMethod);
linkDistance = Math.round(distance - influence);
}
count++;
let showLink = link.fromId;
if (showLink == nodeId) {showLink = link.toId;}
if (count % 2 != 0) {text += '<br>';}
text += ' <span style="font-size: ' + textSize + ';">#' + count + ': </span><span style="background:' + bgcolor + ';color:' + textColor + ';border: 1px dashed ' + borderColor + '; font-size: ' + textSize + ';"> ' + showLink + ' - ' + linkDistance + ' </span>';
}
} else if (count == 16){
count++;
text += '<br> <span style="font-size: ' + textSize + ';">... </span>'
}
});
let paragraph = document.getElementById('nodehighlight');
paragraph.innerHTML += text;
}
function findLink(fromNode, toNode) {
let bgcolor = '#fff';
let textColor = '#000';
let borderColor = '#9b9b9b';
let text = '';
let textSize = '1.6vmin';
const [distance, influence] = calcGraphDistance(graph, fromNode.id, toNode.id, true, influenceMethod);
const linkDistance = Math.round(distance - influence);
text += '<br>Selected node: <span style="background:' + bgcolor + ';color:' + textColor + ';border: 1px dashed ' + borderColor + ';"> ' + toNode.id + ' </span>';
text += '<br><span style="font-size: ' + textSize + ';">Distance: ' + linkDistance + '</span>'
let paragraph = document.getElementById('nodehighlight');
paragraph.innerHTML += text;
}
function highlightPath(fromNode, toNode, isOn) {
// just enumerate all related nodes and update link color:
const pathFinder = nba(graph, {
distance(fromNode, toNode, link) {
return link.data.weight;
}
});
const path = pathFinder.find(fromNode.id, toNode.id);
let last = path.length - 1; // Is always >= 1
if (last !== 1) { // Otherwise we are repeating first->last multiple times, considered below
for (let i = 0; i < last; i++) { // size (<=n) (a)->{b}, (b)->{c}, (c)->{d}, ...
const link = graph.getLink(path[i].id, path[i + 1].id) || graph.getLink(path[i + 1].id, path[i].id);
let linkUI = graphics.getLinkUI(link.id);
if (linkUI) {
let linkColorOn = 'red'; //Highlighted color
let linkColorOff = 'white';
if (link.data !== undefined) { //Default color
if (link.data.linecolor !== undefined && link.data.linecolor[1] !== null) {
linkColorOff = link.data.linecolor[1];
}
}
// linkUI is a UI object created by graphics below
linkUI.attr('stroke', isOn ? linkColorOn : linkColorOff);
}
}
}
}
function highlightRelatedNodes(nodeId, isOn) {
// just enumerate all related nodes and update link color:
graph.forEachLinkedNode(nodeId, function(node, link){
let linkUI = graphics.getLinkUI(link.id);
if (linkUI) {
let linkColorOn = 'red'; //Highlighted color
let linkColorOff = 'white';
if (link.data !== undefined) { //Default color
if (link.data.linecolor !== undefined && link.data.linecolor[1] !== null) {
linkColorOff = link.data.linecolor[1];
}
}
// linkUI is a UI object created by graphics below
linkUI.attr('stroke', isOn ? linkColorOn : linkColorOff);
}
});
}
function dragElement(elmnt) {
var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
if (document.getElementById(elmnt.id + 'Header')) {
document.getElementById(elmnt.id + 'Header').onmousedown = dragMouseDown;
} else {
elmnt.onmousedown = dragMouseDown;
}
function dragMouseDown(e) {
e = e || window.event;
e.preventDefault();
pos3 = e.clientX;
pos4 = e.clientY;
document.onmouseup = closeDragElement;
document.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
// calculate the new cursor position:
pos1 = pos3 - e.clientX;
pos2 = pos4 - e.clientY;
pos3 = e.clientX;
pos4 = e.clientY;
// set the element's new position:
elmnt.style.top = (elmnt.offsetTop - pos2) + 'px';
elmnt.style.left = (elmnt.offsetLeft - pos1) + 'px';
}
function closeDragElement() {
document.onmouseup = null;
document.onmousemove = null;
}
}
/*
Selection popup
*/
const selection = new Selection();
selection.config({
facebook: false,
twitter: false,
search:true,
copy:false,
speak:true,
print:false,
image:false,
dictionary:false,
translate:false,
backgroundColor: '#dc143c',
iconColor: '#ffffff'
}).init();
}
// Popup
let data = null;
let bRunning = false;
let progress = 0;
function showStatistics() {
showPopup();
const popup = document.getElementById('popup');
const popupContent = document.getElementById('popupcontent');
const overlay = document.getElementById('overlay');
popupContent.innerHTML = '<br><label for="statsProgress">Calculating... please wait: ' + progress + '%</label>' +
'<br><progress id="statsProgress" max="100" value="' + progress + '" style="accent-color: #91168f;width: 100%;">' + progress + '%</progress>' +
'<br>Don\'t change to another tab nor minimize the window, otherwise script will be halted and sent to background (\'alt-tab\' is ok though).<br><br>Popup may be closed and reopened at any time while the calculation is being done, results are cached.';
if (!bRunning) {
if (!data) {
bRunning = true;
popup.style.cursor = overlay.style.cursor = 'wait';
document.getElementById('statisticsButton').innerHTML = 'Calculating...';
document.getElementById("statisticsButton").className = 'animation roy';
setTimeout(() => {
graphStatistics({bHtml: true, influenceMethod, statusCallback: (p) => {
const popupContent = document.getElementById('popupcontent');
const popupBar = document.getElementById('statsProgress');
popupBar.value = progress = p;
popupBar.textContent = p + '%';
popupContent.innerHTML = popupContent.innerHTML.replace(/(: )([0-9]{1,2})(%)/, '$1' + p + '$3');
<!-- console.log(popupContent.textContent.replace(/(: )([0-9]{1,2})(%)/, '$1' + p + '$3')); -->
}}).then((resolve) => {
data = resolve;
data.text = data.text.replace(/(?:\r\n|\r|\n)/g, '<br>');
popupContent.innerHTML = '<br>' + data.text;
popup.style.cursor = overlay.style.cursor = 'auto';
bRunning = false;
showPopup();
document.getElementById('statisticsButton').innerHTML = 'Show statistics';
document.getElementById("statisticsButton").className = '';
});
}, 100);
} else {popupContent.innerHTML = '<br>' + data.text;}
}
}
function closePopup() {
const overlay = document.getElementById('overlay');
const popup = document.getElementById('popup');
overlay.style.display = 'none';
popup.style.display = 'none';
};
function showPopup() {
const overlay = document.getElementById('overlay');
const popup = document.getElementById('popup');
overlay.style.display = 'block';
popup.style.display = 'block';
}
function resetView() {
document.body.dispatchEvent(new KeyboardEvent('keydown', {which: 32}));
}
</script>
<style type="text/css" media="screen">
html, body, svg {
height: 100%;
width: 99.5%;
overflow: hidden;
left: 0;
top: 0;
}
#graphContainer {
height: 100%;
width: 100%;
position: absolute;
overflow: hidden;
left: 0;
top: 0;
}
#log {
color: deepskyblue;
font-size:2rem;
}
.topleft {
position: fixed;
top: 0.75rem;
color: white;
font-size: 2vmin;
left: 0.75rem;
font-family: Verdana;
text-align: justify;
}
#nodehighlight {
font-size: 1.8vmin;
}
.topright {
position: fixed;
top: 0.75rem;
color: white;
font-size: 2vmin;
right: 0.75rem;
font-family: Verdana;
}
button {
border-radius: 0.5em;
margin-bottom: 0.1em;
}
.bottomleft {
position: fixed;
color: white;
font-size: 1.6vmin;
font-family: Verdana;
bottom: 0;
left: 0.75rem;
}
#label {
position: absolute;
color: white;
font-size: 1.6vmin;
font-family: Verdana;
top: 40%;
left: 0.75rem;
background-color: #14001d99;
text-align: center;
border: 0.05rem solid #4a0909b3;
z-index: 10;
overflow: hidden;
}
#labelHeader {
padding: 0.75rem;
cursor: move;
z-index: 9;
background-color: #3C050C;
font-size: 1.8vmin;
color: #fff;
}
#overlay {
display: none;
position: absolute;
top: 0;
bottom: 0;
left: 0;
background: #999;
width: 100%;
height: 100%;
opacity: 0.8;
z-index: 100;
}
#popup {
display: none;
position: absolute;
top: 50%;
left: 50%;
background: #08011b;
width: 80vmin;
height: 70vmin;
margin-left: -40vmin; /*Half the value of width to center div*/
margin-top: -35vmin; /*Half the value of height to center div*/
z-index: 200;
overflow-y: auto;
scrollbar-color: rebeccapurple #3C050C;
scrollbar-width: thin;
border-radius: 1em;
}
#popupclose {
float: right;
padding: 0.75rem;
cursor: pointer;
color: white;
}
.popupcontent {
padding: 1.5rem;
overflow-wrap: anywhere;
color: white;
text-align: justify;
}
#button {
cursor: pointer;
}
.animation {
background-color: red;
animation-duration: 4s;
animation-iteration-count: infinite;
}
.roy {
animation-name: roy;
}
@keyframes roy {
0% {background-color: Maroon;}
20% {background-color: red;}
40% {background-color: darkorange;}
60% {background-color: orange;}
80% {background-color: yellow;}
100% {background-color: LemonChiffon;}
}
</style>
</head>
<body onload='onLoad()' style="background-color: #08011b;">
<div id="overlay"></div>
<div id="popup">
<div class="popupcontrols">
<span id="popupclose" onclick="closePopup()">✖</span>
</div>
<div id="popupcontent" class="popupcontent">
<h1>Some Popup Content.</h1>
</div>
</div>
<div id='graphContainer'></div>
<span class='topleft'>Zoom/pan the graph. Press spacebar to reset its position.
<p id='nodehighlight'>
Move the mouse over the nodes to see their IDs and links.
<br>
<br>
Click on any of them to pin up that info.
<br>
Pressing shift while hovering other node will show the distance.
<br>
Shortest path between both nodes will be highlighted too.
<br>
<br>
Open console on Firefox (Ctrl+Shift+K) or Chrome (Ctrl+Shift+J).
</p>
</span>
<span class='bottomleft'>
</span>
<span class='topright'>
<button id="statisticsButton" onclick="showStatistics()" style="width: 8.2rem">Calculate statistics</button>
<br>
<button id="resetButton" onclick="resetView()" style="width: 8.2rem">Reset view</button>
<br>
<button id="liveButton" onclick="location.href='https://regorxxx.github.io/Music-Graph/';" style="width: 8.2rem">Live version</button>
<br>
<button id="resetButton" onclick="location.href='https://github.com/regorxxx/Music-Graph';" style="width: 8.2rem">Open GitHub</button>
</span>
<div id='label'>
Labels...
</div>
</body>
</html>