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PONVD3 Line Plus Bar Chart timeline
 

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  1. PONVD3 Line Plus Bar Chart timeline
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    <p>I have to add proper timeline to "Line Plus Bar Chart", meaning dates must be spread across x-axis equally. For example AAPL dividend history. <img src="https://i.stack.imgur.com/JxD11.png" alt="enter image description here"> And since AAPL didn't make payment between 1995 and 2012, there should be blank space. So I need x-axis to be spread according to the first and the last date. Something like this: <img src="https://i.stack.imgur.com/4tqGa.png" alt="enter image description here"> Is there a way to show x-axis fixed on real dates, ignoring data?</p> <p>or do I need to add 0 values to my dividend_set? This is my data for dividend_set.</p> <pre><code>&lt;script type="text/javascript"&gt; function exampleData() { return [ { "key" : "Dividends" , "bar": true, "values" : [ [ 547707600000 , 0.015 ] , [ 555570000000 , 0.015 ] , [ 564127200000 , 0.02 ] , [ 571644000000 , 0.02 ] , [ 579762000000 , 0.02 ] , [ 587624400000 , 0.02 ] , [ 596095200000 , 0.025 ] , [ 603698400000 , 0.025 ] , [ 611816400000 , 0.025 ] , [ 619678800000 , 0.025 ] , [ 627285600000 , 0.0275 ] , [ 635148000000 , 0.0275 ] , [ 643266000000 , 0.0275 ] , [ 651128400000 , 0.0275 ] , [ 658735200000 , 0.03 ] , [ 666597600000 , 0.03 ] , [ 674715600000 , 0.03 ] , [ 682578000000 , 0.03 ] , [ 690444000000 , 0.03 ] , [ 698047200000 , 0.03 ] , [ 707374800000 , 0.03 ] , [ 714027600000 , 0.03 ] , [ 723103200000 , 0.03 ] , [ 729496800000 , 0.03 ] , [ 738565200000 , 0.03 ] , [ 745477200000 , 0.03 ] , [ 753688800000 , 0.03 ] , [ 760600800000 , 0.03 ] , [ 770014800000 , 0.03 ] , [ 776926800000 , 0.03 ] , [ 785138400000 , 0.03 ] , [ 792655200000 , 0.03 ] , [ 801464400000 , 0.03 ] , [ 808549200000 , 0.03 ] , [ 816933600000 , 0.03 ] , [ 1344488400000 , 2.65 ] , [ 1352268000000 , 2.65 ] , [ 1360216800000 , 2.65 ] ] } , { "key" : "Dividends together" , "values" : [ [ 547707600000 , 0.015 ] , [ 555570000000 , 0.03 ] , [ 564127200000 , 0.05 ] , [ 571644000000 , 0.07 ] , [ 579762000000 , 0.09 ] , [ 587624400000 , 0.11 ] , [ 596095200000 , 0.135 ] , [ 603698400000 , 0.16 ] , [ 611816400000 , 0.185 ] , [ 619678800000 , 0.21 ] , [ 627285600000 , 0.2375 ] , [ 635148000000 , 0.265 ] , [ 643266000000 , 0.2925 ] , [ 651128400000 , 0.32 ] , [ 658735200000 , 0.35 ] , [ 666597600000 , 0.38 ] , [ 674715600000 , 0.41 ] , [ 682578000000 , 0.44 ] , [ 690444000000 , 0.47 ] , [ 698047200000 , 0.5 ] , [ 707374800000 , 0.53 ] , [ 714027600000 , 0.56 ] , [ 723103200000 , 0.59 ] , [ 729496800000 , 0.62 ] , [ 738565200000 , 0.65 ] , [ 745477200000 , 0.68 ] , [ 753688800000 , 0.71 ] , [ 760600800000 , 0.74 ] , [ 770014800000 , 0.77 ] , [ 776926800000 , 0.8 ] , [ 785138400000 , 0.83 ] , [ 792655200000 , 0.86 ] , [ 801464400000 , 0.89 ] , [ 808549200000 , 0.92 ] , [ 816933600000 , 0.95 ] , [ 1344488400000 , 3.6 ] , [ 1352268000000 , 6.25 ] , [ 1360216800000 , 8.9 ] ] } ].map(function(series) { series.values = series.values.map(function(d) { return {x: d[0], y: d[1] } }); return series; }); } &lt;/script&gt; </code></pre> <p>This is my d3.js/nv code:</p> <pre><code>nv.addGraph(function() { var testdata = exampleData(), chart = nv.models.linePlusBarChart() .margin({top: 30, right: 70, bottom: 50, left: 70}) .x(function(d,i) { return i }) .color(d3.scale.category10().range()); chart.xAxis.tickFormat(function(d) { var dx = testdata[0].values[d] &amp;&amp; testdata[0].values[d].x || 0; return d3.time.format('%x')(new Date(dx)) }); chart.y1Axis .tickFormat(d3.format(',05f')); chart.y2Axis .tickFormat(function(d) { return '$' + d3.format(',05f')(d) }); chart.bars.forceY([0]); chart.lines.forceY([0]); d3.select('#chart svg') .datum(exampleData()) .transition().duration(500).call(chart); nv.utils.windowResize(chart.update); return chart; }); </code></pre> <p>I guess if it cant be done by some NDV3 function, I must calculate what is average interval between dividends and then check, if there is date within that range and if not, I will add similar date interval with 0 dividend amount. Or what would be the best way?</p>
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    1. COAre you converting the x values to `Date` objects before passing them to NVD3?
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      1. USLars Kotthoff
    2. COI thought nvd3 was already converting timestamp into date format. Does it not? Where can I change that?
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      1. USLucas03
    3. COI faced the same problem with Multi Bar Chart, solved by adding 0 values to all dates, have you tried this?
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      1. USWellington Zanelli
 

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