gojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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<meta name="description" content="Cause-and-effect diagrams using FishboneLayout, also known as Ishikawa or herringbone diagrams."/>
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<title>Fishbone Layout</title>
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<h1 class="my-0 p-1 ">GoJS</h1>
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<!-- * * * * * * * * * * * * * -->
<!-- Start of GoJS sample code -->
<script src="../release/go.js"></script>
<div id="allSampleContent" class="p-4 w-full">
<script src="FishboneLayout.js"></script>
<script id="code">
function init() {
if (window.goSamples) goSamples(); // init for these samples -- you don't need to call this
var $ = go.GraphObject.make; // for conciseness in defining templates
myDiagram =
new go.Diagram("myDiagramDiv", // refers to its DIV HTML element by id
{ isReadOnly: true }); // do not allow the user to modify the diagram
// define the normal node template, just some text
myDiagram.nodeTemplate =
$(go.Node,
$(go.TextBlock,
new go.Binding("text"),
new go.Binding("font", "", convertFont))
);
function convertFont(data) {
var size = data.size;
if (size === undefined) size = 13;
var weight = data.weight;
if (weight === undefined) weight = "";
return weight + " " + size + "px sans-serif";
}
// This demo switches the Diagram.linkTemplate between the "normal" and the "fishbone" templates.
// If you are only doing a FishboneLayout, you could just set Diagram.linkTemplate
// to the template named "fishbone" here, and not switch templates dynamically.
// define the non-fishbone link template
myDiagram.linkTemplateMap.add("normal",
$(go.Link,
{ routing: go.Link.Orthogonal, corner: 4 },
$(go.Shape)
));
// use this link template for fishbone layouts
myDiagram.linkTemplateMap.add("fishbone",
$(FishboneLink, // defined above
$(go.Shape)
));
// here is the structured data used to build the model
var json =
{
"text": "Incorrect Deliveries", "size": 18, "weight": "Bold", "causes": [
{
"text": "Skills", "size": 14, "weight": "Bold", "causes": [
{
"text": "knowledge", "weight": "Bold", "causes": [
{
"text": "procedures", "causes": [
{ "text": "documentation" }
]
},
{ "text": "products" }
]
},
{ "text": "literacy", "weight": "Bold" }
]
},
{
"text": "Procedures", "size": 14, "weight": "Bold", "causes": [
{
"text": "manual", "weight": "Bold", "causes": [
{ "text": "consistency" }
]
},
{
"text": "automated", "weight": "Bold", "causes": [
{ "text": "correctness" },
{ "text": "reliability" }
]
}
]
},
{
"text": "Communication", "size": 14, "weight": "Bold", "causes": [
{ "text": "ambiguity", "weight": "Bold" },
{
"text": "sales staff", "weight": "Bold", "causes": [
{
"text": "order details", "causes": [
{ "text": "lack of knowledge" }
]
}
]
},
{
"text": "telephone orders", "weight": "Bold", "causes": [
{ "text": "lack of information" }
]
},
{
"text": "picking slips", "weight": "Bold", "causes": [
{ "text": "details" },
{ "text": "legibility" }
]
}
]
},
{
"text": "Transport", "size": 14, "weight": "Bold", "causes": [
{
"text": "information", "weight": "Bold", "causes": [
{ "text": "incorrect person" },
{
"text": "incorrect addresses", "causes": [
{
"text": "customer data base", "causes": [
{ "text": "not up-to-date" },
{ "text": "incorrect program" }
]
}
]
},
{ "text": "incorrect dept" }
]
},
{
"text": "carriers", "weight": "Bold", "causes": [
{ "text": "efficiency" },
{ "text": "methods" }
]
}
]
}
]
};
function walkJson(obj, arr) {
var key = arr.length;
obj.key = key;
arr.push(obj);
var children = obj.causes;
if (children) {
for (var i = 0; i < children.length; i++) {
var o = children[i];
o.parent = key; // reference to parent node data
walkJson(o, arr);
}
}
}
// build the tree model
var nodeDataArray = [];
walkJson(json, nodeDataArray);
myDiagram.model = new go.TreeModel(nodeDataArray);
layoutFishbone();
}
// use FishboneLayout and FishboneLink
function layoutFishbone() {
myDiagram.startTransaction("fishbone layout");
myDiagram.linkTemplate = myDiagram.linkTemplateMap.get("fishbone");
myDiagram.layout = go.GraphObject.make(FishboneLayout, { // defined above
angle: 180,
layerSpacing: 10,
nodeSpacing: 20,
rowSpacing: 10
});
myDiagram.commitTransaction("fishbone layout");
}
// make the layout a branching tree layout and use a normal link template
function layoutBranching() {
myDiagram.startTransaction("branching layout");
myDiagram.linkTemplate = myDiagram.linkTemplateMap.get("normal");
myDiagram.layout = go.GraphObject.make(go.TreeLayout, {
angle: 180,
layerSpacing: 20,
alignment: go.TreeLayout.AlignmentBusBranching
});
myDiagram.commitTransaction("branching layout");
}
// make the layout a basic tree layout and use a normal link template
function layoutNormal() {
myDiagram.startTransaction("normal layout");
myDiagram.linkTemplate = myDiagram.linkTemplateMap.get("normal");
myDiagram.layout = go.GraphObject.make(go.TreeLayout, {
angle: 180,
breadthLimit: 1000,
alignment: go.TreeLayout.AlignmentStart
});
myDiagram.commitTransaction("normal layout");
}
window.addEventListener('DOMContentLoaded', init);
</script>
<div id="sample">
<div id="myDiagramDiv" style="height:550px;width:100%;border:1px solid black;"></div>
<div id="buttons">
<label>Layout:</label>
<button onclick="layoutFishbone()">Fishbone</button>
<button onclick="layoutBranching()">Branching</button>
<button onclick="layoutNormal()">Normal</button>
</div>
<br />
<div id="description">
<p>
This sample shows a "fishbone" layout of a tree model of cause-and-effect relationships.
This type of layout is often seen in root cause analysis, or RCA.
The layout is defined in its own file, as <a href="FishboneLayout.js">FishboneLayout.js</a>.
When using FishboneLayout the diagram uses FishboneLink in order to get custom routing for the links.
</p>
<p>
The buttons each set the <a>Diagram.layout</a> within a transaction.
</p>
</div>
</div>
</div>
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<!-- End of GoJS sample code -->
</div>
</body>
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<script src="../assets/js/goSamples.js"></script>
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