143 lines
5.1 KiB
HTML
143 lines
5.1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Beat Paths</title>
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<meta name="description" content="A precedence diagram showing a hierarchical relationship between nodes." />
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<!-- Copyright 1998-2017 by Northwoods Software Corporation. -->
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<meta charset="UTF-8">
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<script src="../release/go.js"></script>
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<script src="../assets/js/goSamples.js"></script> <!-- this is only for the GoJS Samples framework -->
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<script id="code">
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function init() {
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if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
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var $ = go.GraphObject.make; // for conciseness in defining templates
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// Must name or refer to the DIV HTML element
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myDiagram =
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$(go.Diagram, "myDiagramDiv",
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{ // automatically scale the diagram to fit the viewport's size
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initialAutoScale: go.Diagram.Uniform,
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// start everything in the middle of the viewport
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initialContentAlignment: go.Spot.Center,
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// disable user copying of parts
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allowCopy: false,
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// position all of the nodes and route all of the links
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layout:
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$(go.LayeredDigraphLayout,
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{ direction: 90,
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layerSpacing: 10,
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columnSpacing: 15,
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setsPortSpots: false })
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});
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// replace the default Node template in the nodeTemplateMap
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myDiagram.nodeTemplate =
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$(go.Node, "Vertical", // the whole node panel
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$(go.TextBlock, // the text label
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new go.Binding("text", "key")),
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$(go.Picture, // the icon showing the logo
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// You should set the desiredSize (or width and height)
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// whenever you know what size the Picture should be.
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{ desiredSize: new go.Size(75, 50) },
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new go.Binding("source", "key", convertKeyImage))
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);
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// replace the default Link template in the linkTemplateMap
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myDiagram.linkTemplate =
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$(go.Link, // the whole link panel
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{ curve: go.Link.Bezier, toShortLength: 2 },
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$(go.Shape, // the link shape
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{ strokeWidth: 1.5 }),
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$(go.Shape, // the arrowhead
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{ toArrow: "Standard", stroke: null })
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);
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// the array of link data objects: the relationships between the nodes
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var linkDataArray = [
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{ from: "CAR", to: "ARI" },
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{ from: "ARI", to: "CIN" },
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{ from: "ARI", to: "GB" },
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{ from: "DEN", to: "GB" },
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{ from: "DEN", to: "CIN" },
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{ from: "DEN", to: "NE" },
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{ from: "GB", to: "WAS" },
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{ from: "WAS", to: "STL" },
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{ from: "CIN", to: "STL" },
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{ from: "STL", to: "SEA" },
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{ from: "SEA", to: "SF" },
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{ from: "SEA", to: "MIN" },
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{ from: "NE", to: "NYG" },
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{ from: "NE", to: "KC" },
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{ from: "MIN", to: "DET" },
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{ from: "MIN", to: "KC" },
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{ from: "KC", to: "HOU" },
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{ from: "KC", to: "BUF" },
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{ from: "KC", to: "BAL" },
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{ from: "KC", to: "OAK" },
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{ from: "BUF", to: "NYJ" },
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{ from: "BAL", to: "PIT" },
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{ from: "DET", to: "NO" },
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{ from: "DET", to: "PHI" },
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{ from: "DET", to: "CHI" },
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{ from: "HOU", to: "JAC" },
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{ from: "HOU", to: "TEN" },
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{ from: "PIT", to: "IND" },
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{ from: "PIT", to: "SD" },
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{ from: "OAK", to: "NYJ" },
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{ from: "OAK", to: "SD" },
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{ from: "NO", to: "ATL" },
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{ from: "NO", to: "NYG" },
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{ from: "PHI", to: "NYG" },
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{ from: "CHI", to: "TB" },
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{ from: "NYJ", to: "IND" },
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{ from: "NYJ", to: "CLE" },
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{ from: "IND", to: "TB" },
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{ from: "TB", to: "ATL" },
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{ from: "SD", to: "CLE" },
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{ from: "ATL", to: "DAL" },
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{ from: "ATL", to: "JAC" },
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{ from: "CLE", to: "TEN" },
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{ from: "DAL", to: "MIA" },
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{ from: "MIA", to: "TEN" }
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];
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// create the model and assign it to the Diagram
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myDiagram.model =
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$(go.GraphLinksModel,
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{ // automatically create node data objects for each "from" or "to" reference
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// (set this property before setting the linkDataArray)
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archetypeNodeData: {},
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// process all of the link relationship data
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linkDataArray: linkDataArray
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});
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}
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function convertKeyImage(key) {
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if (!key) key = "NE";
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return "https://www.nwoods.com/go/beatpaths/" + key + "_logo-75x50.png";
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}
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</script>
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</head>
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<body onload="init()">
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<div id="sample">
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<div id="myDiagramDiv" style="border: solid 1px black; margin: 10px; height: 700px"></div>
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<p>
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This sample demonstrates reading JSON data describing the relative rankings of NFL teams
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during the 2015 season and generating a diagram from that data.
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The ranking information came from beatgraphs.com.
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</p>
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<p>
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The JSON data is basically just a list of relationships.
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Unlike most model data, there are no elements describing the nodes --
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the node definitions are implicit in the references from the links.
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Hence the <a>Diagram.model</a> has <a>GraphLinksModel.archetypeNodeData</a> set to a JavaScript object.
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</p>
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<p>
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The node template uses the <b>convertKeyImage</b> function to convert the team name
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into a URI referring to an image on our web site.
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</p>
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</div>
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</body>
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</html>
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