Example of displaying a subtree using TnT Tree
Created
September 9, 2016 14:09
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displaying a subtree
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| <!DOCTYPE html> | |
| <head> | |
| <!-- D3 --> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <!-- TnT --> | |
| <link rel="stylesheet" href="http://tntvis.github.io/tnt.tree/build/tnt.tree.css" /> | |
| <script src="http://tntvis.github.io/tnt.tree/build/tnt.tree.min.js"></script> | |
| </head> | |
| <body> | |
| <input type=button value="Get subtree" onclick="switchTree()"></input> | |
| <div id="mydiv"></div> | |
| <script> | |
| 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)internal: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")); | |
| var root = tree_vis.root(); // The root node of the full tree | |
| var node = root.find_node_by_name("internal"); // The root node of the sub tree | |
| var subtree = root.subtree(node.get_all_leaves()); // The subtree | |
| var treeIsFull = true; // We switch between full tree and partial tree displays. At start it is full | |
| function switchTree() { | |
| treeIsFull = !treeIsFull; | |
| if (treeIsFull) { | |
| tree_vis.data(root.data()); | |
| tree_vis.update(); | |
| // Change the label in the button | |
| d3.select("input").attr("value", "Get subtree"); | |
| } else { | |
| tree_vis.data(subtree.data()); | |
| tree_vis.update(); | |
| // Change the label in the button | |
| d3.select("input").attr("value", "Get full tree"); | |
| } | |
| } | |
| </script> | |
| </body> |
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