dagre-d3
Version:
A D3-based renderer for Dagre
74 lines (56 loc) • 1.62 kB
HTML
<meta charset="utf-8">
<title>Dagre D3 Demo: Arrows</title>
<link rel="stylesheet" href="demo.css">
<script src="https://d3js.org/d3.v5.min.js" charset="utf-8"></script>
<script src="../dagre-d3.js"></script>
<style id="css">
body {
font: 300 14px 'Helvetica Neue', Helvetica;
}
.node rect,
.node circle,
.node ellipse {
stroke: #333;
fill: #fff;
stroke-width: 1px;
}
.edgePath path {
stroke: #333;
fill: #333;
stroke-width: 1.5px;
}
</style>
<h1>Dagre D3 Demo: Arrows</h1>
<svg width=960 height=600><g/></svg>
<section>
<p>A sample that shows the different arrows available in dagre-d3.
</section>
<script id="js">
// Create a new directed graph
var g = new dagreD3.graphlib.Graph().setGraph({});
["normal", "vee", "undirected"].forEach(function(arrowhead) {
g.setNode(arrowhead + "1", { label: " " });
g.setNode(arrowhead + "2", { label: " " });
g.setEdge(arrowhead + "1", arrowhead + "2", {
arrowhead: arrowhead,
label: arrowhead
});
});
var svg = d3.select("svg"),
inner = svg.select("g");
// Set up zoom support
var zoom = d3.zoom().on("zoom", function() {
inner.attr("transform", d3.event.transform);
});
svg.call(zoom);
// Create the renderer
var render = new dagreD3.render();
// Run the renderer. This is what draws the final graph.
render(inner, g);
// Center the graph
var initialScale = 0.75;
svg.call(zoom.transform, d3.zoomIdentity.translate((svg.attr("width") - g.graph().width * initialScale) / 2, 20).scale(initialScale));
svg.attr('height', g.graph().height * initialScale + 40);
</script>
<script src="demo.js"></script>