Created
January 22, 2015 13:34
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D3 tree layout with arrow at end of path (source http://jsbin.com/gisaju)
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| <style id="jsbin-css"> | |
| .node circle { | |
| fill: #fff; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| .node { | |
| font: 10px sans-serif; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| </svg> | |
| <script id="jsbin-javascript"> | |
| var data = { | |
| "name":1, | |
| "children":[{ | |
| "name":2, | |
| "children":[{ | |
| "name":3, | |
| "size":100 | |
| },{ | |
| "name":5, | |
| "size":120 | |
| } | |
| ], | |
| }] | |
| }; | |
| var diameter = 960; | |
| var tree = d3.layout.tree() | |
| .size([360, diameter / 2 - 120]) | |
| .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; }); | |
| var diagonal = d3.svg.diagonal.radial() | |
| .projection(function(d) { return [d.y, d.x / 180 * Math.PI]; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", diameter) | |
| .attr("height", diameter - 150) | |
| .append("g") | |
| .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"); | |
| // build the arrow. | |
| svg.append("svg:defs").selectAll("marker") | |
| .data(["end"]) // Different link/path types can be defined here | |
| .enter().append("svg:marker") // This section adds in the arrows | |
| .attr("id", String) | |
| .attr("viewBox", "0 -5 10 10") | |
| .attr("refX", 15) | |
| .attr("refY", -1.5) | |
| .attr("markerWidth", 6) | |
| .attr("markerHeight", 6) | |
| .attr("orient", "auto") | |
| .append("svg:path") | |
| .attr("d", "M0,-5L10,0L0,5"); | |
| var nodes = tree.nodes(data), | |
| links = tree.links(nodes); | |
| var link = svg.selectAll(".link") | |
| .data(links) | |
| .enter().append("path") | |
| .attr("class", "link") | |
| .attr("d", diagonal) | |
| .attr("marker-end", "url(#end)"); // add the arrow to the link end | |
| var node = svg.selectAll(".node") | |
| .data(nodes) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; }); | |
| node.append("circle") | |
| .attr("r", 4.5); | |
| node.append("text") | |
| .attr("dy", ".31em") | |
| .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; }) | |
| .attr("transform", function(d) { return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; }) | |
| .text(function(d) { return d.name; }); | |
| d3.select(self.frameElement).style("height", diameter - 150 + "px"); | |
| </script> | |
| <script id="jsbin-source-css" type="text/css"> | |
| .node circle { | |
| fill: #fff; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| .node { | |
| font: 10px sans-serif; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 1.5px; | |
| } | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var data = { | |
| "name":1, | |
| "children":[{ | |
| "name":2, | |
| "children":[{ | |
| "name":3, | |
| "size":100 | |
| },{ | |
| "name":5, | |
| "size":120 | |
| } | |
| ], | |
| }] | |
| }; | |
| var diameter = 960; | |
| var tree = d3.layout.tree() | |
| .size([360, diameter / 2 - 120]) | |
| .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; }); | |
| var diagonal = d3.svg.diagonal.radial() | |
| .projection(function(d) { return [d.y, d.x / 180 * Math.PI]; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", diameter) | |
| .attr("height", diameter - 150) | |
| .append("g") | |
| .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"); | |
| // build the arrow. | |
| svg.append("svg:defs").selectAll("marker") | |
| .data(["end"]) // Different link/path types can be defined here | |
| .enter().append("svg:marker") // This section adds in the arrows | |
| .attr("id", String) | |
| .attr("viewBox", "0 -5 10 10") | |
| .attr("refX", 15) | |
| .attr("refY", -1.5) | |
| .attr("markerWidth", 6) | |
| .attr("markerHeight", 6) | |
| .attr("orient", "auto") | |
| .append("svg:path") | |
| .attr("d", "M0,-5L10,0L0,5"); | |
| var nodes = tree.nodes(data), | |
| links = tree.links(nodes); | |
| var link = svg.selectAll(".link") | |
| .data(links) | |
| .enter().append("path") | |
| .attr("class", "link") | |
| .attr("d", diagonal) | |
| .attr("marker-end", "url(#end)"); // add the arrow to the link end | |
| var node = svg.selectAll(".node") | |
| .data(nodes) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; }); | |
| node.append("circle") | |
| .attr("r", 4.5); | |
| node.append("text") | |
| .attr("dy", ".31em") | |
| .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; }) | |
| .attr("transform", function(d) { return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; }) | |
| .text(function(d) { return d.name; }); | |
| d3.select(self.frameElement).style("height", diameter - 150 + "px");</script></body> | |
| </html> |
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| .node circle { | |
| fill: #fff; | |
| stroke: steelblue; | |
| stroke-width: 1.5px; | |
| } | |
| .node { | |
| font: 10px sans-serif; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #ccc; | |
| stroke-width: 1.5px; | |
| } |
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| var data = { | |
| "name":1, | |
| "children":[{ | |
| "name":2, | |
| "children":[{ | |
| "name":3, | |
| "size":100 | |
| },{ | |
| "name":5, | |
| "size":120 | |
| } | |
| ], | |
| }] | |
| }; | |
| var diameter = 960; | |
| var tree = d3.layout.tree() | |
| .size([360, diameter / 2 - 120]) | |
| .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; }); | |
| var diagonal = d3.svg.diagonal.radial() | |
| .projection(function(d) { return [d.y, d.x / 180 * Math.PI]; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", diameter) | |
| .attr("height", diameter - 150) | |
| .append("g") | |
| .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")"); | |
| // build the arrow. | |
| svg.append("svg:defs").selectAll("marker") | |
| .data(["end"]) // Different link/path types can be defined here | |
| .enter().append("svg:marker") // This section adds in the arrows | |
| .attr("id", String) | |
| .attr("viewBox", "0 -5 10 10") | |
| .attr("refX", 15) | |
| .attr("refY", -1.5) | |
| .attr("markerWidth", 6) | |
| .attr("markerHeight", 6) | |
| .attr("orient", "auto") | |
| .append("svg:path") | |
| .attr("d", "M0,-5L10,0L0,5"); | |
| var nodes = tree.nodes(data), | |
| links = tree.links(nodes); | |
| var link = svg.selectAll(".link") | |
| .data(links) | |
| .enter().append("path") | |
| .attr("class", "link") | |
| .attr("d", diagonal) | |
| .attr("marker-end", "url(#end)"); // add the arrow to the link end | |
| var node = svg.selectAll(".node") | |
| .data(nodes) | |
| .enter().append("g") | |
| .attr("class", "node") | |
| .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; }); | |
| node.append("circle") | |
| .attr("r", 4.5); | |
| node.append("text") | |
| .attr("dy", ".31em") | |
| .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; }) | |
| .attr("transform", function(d) { return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; }) | |
| .text(function(d) { return d.name; }); | |
| d3.select(self.frameElement).style("height", diameter - 150 + "px"); |
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