PNG export of a TnT Tree

Example of exporting a TnT Tree in PNG

<!DOCTYPE html>

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css"/>

<script src="https://cdn.jsdelivr.net/gh/tntvis/tnt.utils/build/tnt.utils.js"></script>

<link rel="stylesheet" href="https://tntvis.github.io/tnt.tree/build/tnt.tree.css" />
    <script src="https://tntvis.github.io/tnt.tree/build/tnt.tree.min.js"></script>
</head>

<body>
    <div> <i style="margin-left:20px; color:steelblue" class="fa fa-download fa-2x" onclick="download()"></i></div>
    <div id="mydiv"></div>
    <script>
    function download () {
        var pngExporter = tnt.utils.png()
            .filename("treeSample.png")
        pngExporter(d3.select("svg"));
    };

var newick = "(((Crotalus_oreganus_oreganus_cytochrome_b:0.00800,Crotalus_horridus_cytochrome_b:0.05866):0.04732,(Thamnophis_elegans_terrestris_cytochrome_b:0.00366,Thamnophis_atratus_cytochrome_b:0.00172):0.06255):0.00555,(Pituophis_catenifer_vertebralis_cytochrome_b:0.00552,Lampropeltis_getula_cytochrome_b:0.02035):0.05762,((Diadophis_punctatus_cytochrome_b:0.06486,Contia_tenuis_cytochrome_b:0.05342):0.01037,Hypsiglena_torquata_cytochrome_b:0.05346):0.00779);";

var tree_vis = tnt.tree()
        .data(tnt.tree.parse_newick(newick));

tree_vis.layout()
        .width(800)
        .scale(true);

tree_vis.label()
        .height(20);

tree_vis.node_display()
        .fill("steelblue");

tree_vis.label()
        .color("steelblue");

tree_vis(document.getElementById("mydiv"));

</script>

</body>

Modified http://d3js.org/d3.v3.min.js to a secure url

Updated missing url https://cdn.rawgit.com/tntvis/tnt.utils/master/build/tnt.utils.js to https://cdn.jsdelivr.net/gh/tntvis/tnt.utils/build/tnt.utils.js

Modified http://tntvis.github.io/tnt.tree/build/tnt.tree.min.js to a secure url

https://d3js.org/d3.v3.min.js

https://cdn.rawgit.com/tntvis/tnt.utils/master/build/tnt.utils.js

https://tntvis.github.io/tnt.tree/build/tnt.tree.min.js