Example of TnT Tree. Click on the nodes to collapse / uncollapse them
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August 25, 2017 06:30
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Collapsible nodes
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| var collapse_nodes = function(div) { | |
| var newick = "(((((homo_sapiens:9,pan_troglodytes:9)207598:34,callithrix_jacchus:43)314293:52,(mus_musculus:95, rat:100)rodents:55)314146:215,taeniopygia_guttata:310)32524:107,danio_rerio:417)117571:135;"; | |
| var data = tnt.tree.parse_newick(newick); | |
| // Show different node shapes for collapsed/non-collapsed nodes | |
| var node_size = 14; | |
| var node_fill="lightgrey"; | |
| var node_stroke="black"; | |
| var expanded_node = tnt.tree.node_display.circle() | |
| .size(node_size) | |
| .fill(node_fill) | |
| .stroke(node_stroke); | |
| var collapsed_node = tnt.tree.node_display.triangle() | |
| .size(node_size) | |
| .fill(node_fill) | |
| .stroke(node_stroke); | |
| var node_display = tnt.tree.node_display() | |
| .size(24) | |
| .display (function (node) { | |
| if (node.is_collapsed()) { | |
| collapsed_node.display().call(this, node); | |
| } else { | |
| expanded_node.display().call(this, node); | |
| } | |
| }); | |
| var tree = tnt.tree() | |
| .node_display(node_display) | |
| .data(data) | |
| .duration(500) | |
| .layout(tnt.tree.layout.vertical() | |
| .width(600) | |
| .scale(false) | |
| ); | |
| tree.on ("click", function(node){ | |
| node.toggle(); | |
| tree.update(); | |
| }); | |
| // The tree renders at this point | |
| tree(div); | |
| }; |
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| <!DOCTYPE html> | |
| <head> | |
| <link rel="stylesheet" href="http://tntvis.github.io/tnt.tree/build/tnt.tree.css" type="text/css" /> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="http://tntvis.github.io/tnt.tree/build/tnt.tree.min.js"></script> | |
| <script src="collapse_nodes.js"></script> | |
| </head> | |
| <body> | |
| <div id="mydiv"></div> | |
| <script> | |
| collapse_nodes(document.getElementById("mydiv")); | |
| </script> | |
| </body> |
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