d3-graphviz
Version:
Graphviz DOT rendering and animated transitions for D3
165 lines (139 loc) • 3.89 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="text/javascript"></script>
<script src="../build/d3-graphviz.js"></script>
<div id="graph" style="text-align: center;"></div>
<script>;
var margin = 20; // to avoid scrollbars
var nodeIndex;
var edgeIndex;
var prevNodeName = 'b';
var shapes = [
"box",
"polygon",
"ellipse",
"oval",
"circle",
"point",
"egg",
"triangle",
"plaintext",
"plain",
"diamond",
"trapezium",
"parallelogram",
"house",
"pentagon",
"hexagon",
"septagon",
"octagon",
"doublecircle",
"doubleoctagon",
"tripleoctagon",
"invtriangle",
"invtrapezium",
"invhouse",
"Mdiamond",
"Msquare",
"Mcircle",
"rect",
"rectangle",
"square",
"star",
"none",
"underline",
"cylinder",
"note",
"tab",
"folder",
"box3d",
"component",
"promoter",
"cds",
"terminator",
"utr",
"primersite",
"restrictionsite",
"fivepoverhang",
"threepoverhang",
"noverhang",
"assembly",
"signature",
"insulator",
"ribosite",
"rnastab",
"proteasesite",
"proteinstab",
"rpromoter",
"rarrow",
"larrow",
"lpromoter",
];
var dotSrc = `strict digraph {
graph [rankdir="LR"]
node [style="filled"]
a [shape="box" fillcolor="` + d3.schemeCategory10[0] + `"]
b [shape="polygon" fillcolor="` + d3.schemeCategory10[1] + `"]
a -> b [fillcolor="` + d3.schemePaired[0] + `" color="` + d3.schemePaired[1] + `"]
}`;
var graphviz = d3.select("#graph").graphviz()
.attributer(attributer)
.transition(function() {
return d3.transition().duration(1000);
});
render();
function attributer(datum, index, nodes) {
var selection = d3.select(this);
if (datum.tag == "svg") {
var width = window.innerWidth - margin;
var height = window.innerHeight - margin;
var x = "10";
var y = "10";
var unit = 'px';
selection
.attr("width", width + unit)
.attr("height", height + unit);
datum.attributes.width = width + unit;
datum.attributes.height = height + unit;
}
}
function render() {
graphviz
.renderDot(dotSrc, function () {
var nodes = d3.selectAll(".node");
var edges = d3.selectAll(".edge");
var bbox = d3.select('g').node().getBBox();
var [x, y] = [bbox.x + bbox.width / 2 - 27, bbox.y + bbox.height / 2 - 18];
if (nodeIndex == null) {
nodeIndex = d3.selectAll('.node').size();
} else {
nodeIndex += 1;
}
if (nodeIndex == shapes.length) {
return;
}
var shape = shapes[nodeIndex % shapes.length];
var numLetters = 'z'.charCodeAt(0) - 'a'.charCodeAt(0) + 1;
var letter = String.fromCharCode('a'.charCodeAt(0) + (nodeIndex % numLetters));
var digit = Math.floor(nodeIndex / numLetters) || '';
var nodeName = letter + digit;
var fillcolor = d3.schemeCategory10[nodeIndex % 10];
var color = 'black';
graphviz
.drawNode(x, y, nodeName, {shape: shape, text: nodeName, fillcolor: fillcolor, color: color})
.insertDrawnNode(nodeName);
var dotSrcLines = dotSrc.split('\n');
var newNodeString = nodeName + ' [shape="' + shape + '" color="' + color + '"; fillcolor="' + fillcolor + '"; penwidth="1"]';
dotSrcLines.splice(3, 0, newNodeString);
if (nodeIndex % 4 != 0) {
dotSrcLines.splice(-1, 0, prevNodeName + ' -> ' + nodeName);
}
dotSrc = dotSrcLines.join('\n');
prevNodeName = nodeName;
render();
});
}
</script>