d3.js - Sankey Diagram (D3) - How to use multiple units for link values and how to add notes to mouseover popup box? -


http://bl.ocks.org/d3noob/5028304

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looking @ example, hovering on link shows source, target, , value. value appended variable 'units', example "widgets".

var units = "widgets";  var formatnumber = d3.format(",.0f"), // 0 decimal places   format = function(d) { return formatnumber(d) + " " + units; },    color = d3.scale.category20();

is there way of creating classes link between 1 source , target appended 1 type of unit , others use different units? in example, let's wanted links between "energy" , of targets use mwh units, other links use widgets.

i'd love know how add notes, such urls, text box pops on mouse hover.

you add unit property on data objects , pass d.unit format along d.value.

you can't elaborate default <title> tooltip there million jquery plugins doing more elaborate things tooltips


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