In response to a Stack Overflow question, Tree drawing orientation.
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Tree Layout Orientations
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| license: gpl-3.0 |
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| { | |
| "children": [ | |
| { | |
| "children": [ | |
| {}, | |
| {} | |
| ] | |
| } | |
| ] | |
| } |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| body { | |
| font: 10px sans-serif; | |
| } | |
| .link { | |
| fill: none; | |
| stroke: #000; | |
| } | |
| .border { | |
| fill: none; | |
| shape-rendering: crispEdges; | |
| stroke: #aaa; | |
| } | |
| .node { | |
| stroke: #fff; | |
| } | |
| </style> | |
| <body> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var margin = {top: 140, right: 10, bottom: 140, left: 10}, | |
| width = 240 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var orientations = { | |
| "top-to-bottom": { | |
| size: [width, height], | |
| x: function(d) { return d.x; }, | |
| y: function(d) { return d.y; } | |
| }, | |
| "right-to-left": { | |
| size: [height, width], | |
| x: function(d) { return width - d.y; }, | |
| y: function(d) { return d.x; } | |
| }, | |
| "bottom-to-top": { | |
| size: [width, height], | |
| x: function(d) { return d.x; }, | |
| y: function(d) { return height - d.y; } | |
| }, | |
| "left-to-right": { | |
| size: [height, width], | |
| x: function(d) { return d.y; }, | |
| y: function(d) { return d.x; } | |
| } | |
| }; | |
| var svg = d3.select("body").selectAll("svg") | |
| .data(d3.entries(orientations)) | |
| .enter().append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| svg.append("rect") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .attr("class", "border"); | |
| svg.append("text") | |
| .attr("x", 6) | |
| .attr("y", 6) | |
| .attr("dy", ".71em") | |
| .text(function(d) { return d.key; }); | |
| d3.json("graph.json", function(error, root) { | |
| if (error) throw error; | |
| svg.each(function(orientation) { | |
| var svg = d3.select(this), | |
| o = orientation.value; | |
| // Compute the layout. | |
| var tree = d3.layout.tree().size(o.size), | |
| nodes = tree.nodes(root), | |
| links = tree.links(nodes); | |
| // Create the link lines. | |
| svg.selectAll(".link") | |
| .data(links) | |
| .enter().append("path") | |
| .attr("class", "link") | |
| .attr("d", d3.svg.diagonal().projection(function(d) { return [o.x(d), o.y(d)]; })); | |
| // Create the node circles. | |
| svg.selectAll(".node") | |
| .data(nodes) | |
| .enter().append("circle") | |
| .attr("class", "node") | |
| .attr("r", 4.5) | |
| .attr("cx", o.x) | |
| .attr("cy", o.y); | |
| }); | |
| }); | |
| </script> |
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do we have V4 version of this?