create-gojs-kit
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A CLI for downloading GoJS samples, extensions, and docs
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<meta name="description" content="A precedence diagram showing a hierarchical relationship between nodes, using archetypeNodeData, LayeredDigraphLayout, and Bezier curved links." />
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Beat Paths, Graphs Showing Win Relationships Between Teams | GoJS Diagramming Library
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<script src="https://cdn.jsdelivr.net/npm/gojs@3.1.0"></script>
<div id="allSampleContent" class="p-4 w-full">
<script id="code">
function init() {
// Must name or refer to the DIV HTML element
myDiagram = new go.Diagram('myDiagramDiv', {
// automatically scale the diagram to fit the viewport's size
initialAutoScale: go.AutoScale.Uniform,
// disable user copying of parts
allowCopy: false,
// position all of the nodes and route all of the links
layout: new go.LayeredDigraphLayout({
direction: 90,
layerSpacing: 10,
columnSpacing: 15,
setsPortSpots: false
})
});
// replace the default Node template in the nodeTemplateMap
myDiagram.nodeTemplate =
new go.Node('Vertical') // the whole node panel
.add(
new go.TextBlock()
.bind('text', 'key'),
new go.Picture( { // the icon showing the logo
// You should set the desiredSize (or width and height)
// whenever you know what size the Picture should be.
desiredSize: new go.Size(75, 50)
})
.bind('source', 'key', convertKeyImage)
);
// replace the default Link template in the linkTemplateMap
myDiagram.linkTemplate =
new go.Link({ curve: go.Curve.Bezier, toShortLength: 2 }) // the whole link panel
.add(
new go.Shape({ strokeWidth: 1.5 }), // the link shape
new go.Shape({ toArrow: 'Standard', stroke: null }) // the arrowhead
);
// the array of link data objects: the relationships between the nodes
const linkDataArray = [
{ from: 'CAR', to: 'ARI' },
{ from: 'ARI', to: 'CIN' },
{ from: 'ARI', to: 'GB' },
{ from: 'DEN', to: 'GB' },
{ from: 'DEN', to: 'CIN' },
{ from: 'DEN', to: 'NE' },
{ from: 'GB', to: 'WAS' },
{ from: 'WAS', to: 'STL' },
{ from: 'CIN', to: 'STL' },
{ from: 'STL', to: 'SEA' },
{ from: 'SEA', to: 'SF' },
{ from: 'SEA', to: 'MIN' },
{ from: 'NE', to: 'NYG' },
{ from: 'NE', to: 'KC' },
{ from: 'MIN', to: 'DET' },
{ from: 'MIN', to: 'KC' },
{ from: 'KC', to: 'HOU' },
{ from: 'KC', to: 'BUF' },
{ from: 'KC', to: 'BAL' },
{ from: 'KC', to: 'OAK' },
{ from: 'BUF', to: 'NYJ' },
{ from: 'BAL', to: 'PIT' },
{ from: 'DET', to: 'NO' },
{ from: 'DET', to: 'PHI' },
{ from: 'DET', to: 'CHI' },
{ from: 'HOU', to: 'JAC' },
{ from: 'HOU', to: 'TEN' },
{ from: 'PIT', to: 'IND' },
{ from: 'PIT', to: 'SD' },
{ from: 'OAK', to: 'NYJ' },
{ from: 'OAK', to: 'SD' },
{ from: 'NO', to: 'ATL' },
{ from: 'NO', to: 'NYG' },
{ from: 'PHI', to: 'NYG' },
{ from: 'CHI', to: 'TB' },
{ from: 'NYJ', to: 'IND' },
{ from: 'NYJ', to: 'CLE' },
{ from: 'IND', to: 'TB' },
{ from: 'TB', to: 'ATL' },
{ from: 'SD', to: 'CLE' },
{ from: 'ATL', to: 'DAL' },
{ from: 'ATL', to: 'JAC' },
{ from: 'CLE', to: 'TEN' },
{ from: 'DAL', to: 'MIA' },
{ from: 'MIA', to: 'TEN' }
];
// create the model and assign it to the Diagram
myDiagram.model = new go.GraphLinksModel({
// automatically create node data objects for each "from" or "to" reference
// (set this property before setting the linkDataArray)
archetypeNodeData: {},
// process all of the link relationship data
linkDataArray: linkDataArray
});
}
function convertKeyImage(key) {
if (!key) key = 'NE';
return 'https://nwoods.com/go/beatpaths/' + key + '_logo-75x50.png';
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="border: solid 1px black; margin: 10px; height: 700px"></div>
<p>
This sample demonstrates reading JSON data describing the relative rankings of NFL teams during
the 2015 season and generating a diagram from that data. The ranking information came from
beatgraphs.com.
</p>
<p>
The JSON data is basically just a list of relationships. Unlike most model data, there are no
elements describing the nodes -- the node definitions are implicit in the references from the
links. Hence the <a>Diagram.model</a> has <a>GraphLinksModel.archetypeNodeData</a> set to a
JavaScript object.
</p>
<p>
The node template uses the <b>convertKeyImage</b> function to convert the team name into a URI
referring to an image on our web site.
</p>
</div>
</div>
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<!-- End of GoJS sample code -->
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<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>Layered Digraph Layout</h4>
<p>
This predefined layout is used for placing Nodes of a general directed graph in layers (rows or columns). This is more general than <a href="../api/symbols/TreeLayout.html">TreeLayout</a>,
as it does not require that the graph be tree-structured.
More information can be found in the <a href="../intro/layouts.html#LayeredDigraphLayout">GoJS Intro</a>.
</p>
<p>
<a href="../samples/index.html#layered-digraph">Related samples</a>
</p>
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