d3-graphviz
Version:
Graphviz DOT rendering and animated transitions for D3
80 lines (74 loc) • 2.08 kB
HTML
<meta charset="utf-8">
<body>
<script src="../node_modules/d3/dist/d3.js"></script>
<script src="../node_modules/@hpcc-js/wasm/dist/graphviz.umd.js" type="javascript/worker"></script>
<script src="../build/d3-graphviz.js"></script>
<div id="graph" style="text-align: center;"></div>
<script>
var dotIndex = 0;
var graphviz = d3.select("#graph").graphviz()
.transition(function () {
return d3.transition()
.ease(d3.easeLinear)
.delay(1000)
.duration(1500);
})
.logEvents(true)
.on("initEnd", render);
function attributer(datum, index, nodes) {
var selection = d3.select(this);
if (datum.tag == "svg") {
var width = "600";
var height = "400";
var x = "10";
var y = "10";
selection
.attr("width", width + "pt")
.attr("height", height + "pt")
.attr("viewBox", -x + " " + -y + " " + width + " " + height);
datum.attributes.width = width + "pt";
datum.attributes.height = height + "pt";
datum.attributes.viewBox = -x + " " + -y + " " + width + " " + height;
}
}
function render() {
var dotLines = dots[dotIndex % dots.length];
var dot = dotLines.join('');
graphviz
// .tweenPaths(false)
.tweenShapes(false)
.dot(dot)
.attributer(attributer)
.render()
.on('end', function () {
if (dotIndex != dots.length) {
render();
}
});
dotIndex += 1;
}
var dots = [
[
'digraph {',
' node [style="filled"]',
' a [fillcolor="#d62728"]',
' b [fillcolor="#1f77b4"]',
' c [fillcolor="#2ca02c"]',
' a -> b',
' b -> c',
'}'
],
[
'digraph {',
' node [style="filled"]',
' a [fillcolor="#d62728"]',
' b [fillcolor="#1f77b4"]',
' c [fillcolor="#2ca02c"]',
' a -> b',
' b -> c',
' a -> c',
'}'
],
];
</script>