create-gojs-kit
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A CLI for downloading GoJS samples, extensions, and docs
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HTML
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover"/>
<meta name="description" content="A diagram showing nodes connected by different kinds of links with concentric circular backgrounds. Clicking on a node opens a window to a Wikipedia page." />
<meta itemprop="description" content="A diagram showing nodes connected by different kinds of links with concentric circular backgrounds. Clicking on a node opens a window to a Wikipedia page." />
<meta property="og:description" content="A diagram showing nodes connected by different kinds of links with concentric circular backgrounds. Clicking on a node opens a window to a Wikipedia page." />
<meta name="twitter:description" content="A diagram showing nodes connected by different kinds of links with concentric circular backgrounds. Clicking on a node opens a window to a Wikipedia page." />
<link rel="preconnect" href="https://rsms.me/">
<link rel="stylesheet" href="../assets/css/style.css">
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<meta itemprop="name" content="Euler Diagrams Show Sets and Varied Relationships" />
<meta property="og:title" content="Euler Diagrams Show Sets and Varied Relationships" />
<meta name="twitter:title" content="Euler Diagrams Show Sets and Varied Relationships" />
<meta property="og:image" content="https://gojs.net/latest/assets/images/screenshots/euler.png" />
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<title>
Euler Diagrams Show Sets and Varied Relationships | GoJS Diagramming Library
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<body>
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GoJS
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<script>
window.addEventListener("DOMContentLoaded", function () {
// topnav
var topButton = document.getElementById("topnavButton");
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if (topButton && topnavList) {
topButton.addEventListener("click", function (e) {
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<div class="flex flex-col prose">
<div class="w-full max-w-screen-xl mx-auto">
<!-- * * * * * * * * * * * * * -->
<!-- Start of GoJS sample code -->
<script src="https://cdn.jsdelivr.net/npm/gojs@3.1.0"></script>
<div id="allSampleContent" class="p-4 w-full">
<script src="../extensions/HyperlinkText.js"></script>
<script id="code">
function init() {
myDiagram = new go.Diagram('myDiagramDiv', {
isReadOnly: true, allowSelect: false,
contentAlignment: go.Spot.Center
});
myDiagram.nodeTemplate =
new go.Node('Auto', { locationSpot: go.Spot.Center })
.bind('location', 'loc', go.Point.parse)
.add(
new go.Shape('Ellipse', { fill: 'transparent' })
.bind('stroke', 'color')
.bind('strokeWidth', 'width')
.bind('strokeDashArray', 'dash'),
go.GraphObject.build('HyperlinkText', {
margin: 1,
maxSize: new go.Size(80, 80),
textAlign: 'center'
},
node => 'https://en.wikipedia.org/w/index.php?search=' + encodeURIComponent(node.data.text),
node => node.data.text
)
);
myDiagram.nodeTemplateMap.add('center',
new go.Node('Spot', { locationSpot: go.Spot.Center })
.bind('location', 'loc', go.Point.parse)
.add(
new go.Shape('Circle', {
fill: 'rgba(128,128,128,0.1)',
stroke: 'lightgray',
width: 550,
height: 550
}),
new go.Shape('Circle', {
fill: 'rgba(128,128,128,0.1)',
stroke: 'lightgray',
width: 400,
height: 400
}),
new go.Shape('Circle', {
fill: 'rgba(128,128,128,0.1)',
stroke: 'lightgray',
width: 250,
height: 250
}),
new go.Panel('Spot')
.add(
new go.Shape('Circle', {
isPanelMain: true,
fill: 'transparent',
portId: ''
})
.bind('stroke', 'hicolor')
.bind('strokeWidth', 'hiwidth'),
new go.Shape('Circle', {
isPanelMain: true,
fill: 'transparent'
})
.bind('stroke', 'color')
.bind('strokeWidth', 'width')
.bind('strokeDashArray', 'dash'),
go.GraphObject.build('HyperlinkText', {
margin: 1,
maxSize: new go.Size(80, 80),
textAlign: 'center'
},
node => 'https://en.wikipedia.org/w/index.php?search=' + encodeURIComponent(node.data.text),
node => node.data.text
)
)
)
);
myDiagram.linkTemplate =
new go.Link()
.add(
new go.Shape()
.bind('stroke', 'color')
.bind('strokeWidth', 'width')
.bind('strokeDashArray', 'dash')
);
const nodeDataArray = [
{ key: 1, text: 'Cognitive Procedural', loc: '300 300', category: 'center' },
{ key: 2, text: 'Cognitive Problem Solving', loc: '600 300', category: 'center', hicolor: 'lightblue', hiwidth: 7 },
{ key: 11, text: 'Logical Reasoning', loc: '450 275' },
{ key: 12, text: 'Scaffolding', loc: '450 325' },
{ key: 13, text: 'Part Task Training', loc: '425 400' },
{ key: 21, text: 'Training Wheels', loc: '325 125' },
{ key: 22, text: 'Exploratory Learning', loc: '250 150' },
{ key: 23, text: 'Learner Control', loc: '650 150' },
{ key: 31, text: 'Overlearning', loc: '450 475' }
];
const linkDataArray = [
{ from: 1, to: 11, color: 'gray' },
{ from: 1, to: 12, color: 'gray', dash: [3, 2] },
{ from: 1, to: 13, color: 'olive', width: 2 },
{ from: 1, to: 21, color: 'olive', width: 3 },
{ from: 1, to: 22, color: 'olive', width: 2 },
{ from: 1, to: 23, color: 'crimson', width: 2 },
{ from: 1, to: 31 },
{ from: 2, to: 11, color: 'gray' },
{ from: 2, to: 12, color: 'olive', width: 2 },
{ from: 2, to: 13, color: 'gray', dash: [3, 2] },
{ from: 2, to: 21, color: 'crimson', width: 2 },
{ from: 2, to: 22, color: 'crimson', width: 2 },
{ from: 2, to: 23, color: 'black', width: 3 },
{ from: 2, to: 31, color: 'black', dash: [3, 2] }
];
myDiagram.model = new go.GraphLinksModel(nodeDataArray, linkDataArray);
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; width: 100%; height: 600px"></div>
<p>
A sample of a Euler diagram: that is, a means of representing various sets and their relationships with one another. Euler diagrams have much in common with
Venn diagrams. This diagram is read-only, but clicking on a node will search Wikipedia with a query string generated from the "text" property of the node
data.
</p>
</div>
</div>
<!-- * * * * * * * * * * * * * -->
<!-- End of GoJS sample code -->
</div>
<div id="allTagDescriptions" class="p-4 w-full max-w-screen-xl mx-auto">
<hr/>
<h3 class="text-xl">GoJS Features in this sample</h3>
<!-- blacklist tags that do not correspond to a specific GoJS feature -->
<h4>GoJS Extensions</h4>
<p>
<b>GoJS</b> can be extended in a variety of ways.
The most common way to change the standard behavior is to set properties on the <a href="../api/symbols/GraphObject.html" target="api">GraphObject</a>, <a href="../api/symbols/Diagram.html" target="api">Diagram</a>, <a href="../api/symbols/CommandHandler.html" target="api">CommandHandler</a>, <a href="../api/symbols/Tool.html" target="api">Tool</a>, or <a href="../api/symbols/Layout.html" target="api">Layout</a>.
But when the desired property does not exist, you might need to override methods of CommandHandler, Tool, Layout, Link, or Node.
Methods that you can override are documented in the API reference.
Various features of GoJS can be overriden, either by replacing a method on an instance (a feature of JavaScript) or by defining a subclass.
You should not modify the prototypes of any of the <b>GoJS</b> classes.
</p>
<p>
In addition to our samples, <b>GoJS</b> provides an <strong><a href="../samples/#extensions">extensions gallery</a></strong>,
showcasing the creation of custom tools and layouts.
Those classes and samples are written in TypeScript, available at <code>../extensionsJSM/</code>,
as ECMAScript/JavaScript modules -- these use the <code>../release/go-module.js</code> library.
We recommend that you copy the files that you need into your project, so that you can adjust how they refer to the GoJS library
that you choose and so that you can include them into your own building and packaging procedures.
</p>
<p>
More information can be found in the <a href="../intro/extensions.html">GoJS Intro</a>.
</p>
<p>
<a href="../samples/index.html#extensions">Related samples</a>
</p>
<hr>
</div>
</div>
</body>
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</html>