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I'm looking at this example that uses cluster layout to assign the X and Y coordinates to nodes on a dendrogram. How can I tell cluster to layout vertically, top down, instead of the default left to right?

I'm looking at this example that uses cluster layout to assign the X and Y coordinates to nodes on a dendrogram. How can I tell cluster to layout vertically, top down, instead of the default left to right?

  • javascript
  • d3.js
Share Improve this question edited Jul 22, 2012 at 0:01 Brant Olsen 5,6645 gold badges39 silver badges53 bronze badges asked Jul 14, 2012 at 1:12 joshuapoehlsjoshuapoehls 35.4k11 gold badges53 silver badges61 bronze badges
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1 Answer 1

Reset to default 12

For the example you link, just flip the use of the X and Y coordinates. This can be done by changing

var diagonal = d3.svg.diagonal()
  .projection(function(d) { return [d.y, d.x]; });

and

var node = vis.selectAll("g.node")
  .data(nodes)
 .enter().append("g")
   .attr("class", "node")
   .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })

to

var diagonal = d3.svg.diagonal()
  // Flip the values here.
  .projection(function(d) { return [d.x, d.y]; });

and

var node = vis.selectAll("g.node")
   .data(nodes)
 .enter().append("g")
  .attr("class", "node")
  // Flip the values here.
  .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; })

Here is a JSFiddle showing the above changes in action.

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