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POD3.js Barchart: getting x-axis labels to line up with bars, and rotate them slightly
 

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  1. POD3.js Barchart: getting x-axis labels to line up with bars, and rotate them slightly
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    <p>I've got a d3 vertical bar chart, and I'm trying to get the x-axis labels positioned appropriately. It's <em>almost</em> there, but not quite. The labels end up being off-center from the bars. I'd also like to rotate the labels slightly, so that I can accommodate a larger graph when I need to.</p> <p>Here's my coffee for the chart (there's some Backbone Marionette in there):</p> <pre><code> buildTimeline: -&gt; width = @ui.chartWrap.innerWidth() height = @ui.chartWrap.height() dataLength = @data.values.length x = d3.scale.ordinal() .rangeRoundBands([0, width], 0.1) y = d3.scale.linear() .range([height, 0]) x.domain @data.values.map (d) -&gt; d.x y.domain [0, d3.max(@data.values, (d) -&gt; d.y )] xAxis = d3.svg.axis() .scale(x) .orient("bottom") svg = d3.select(@ui.chartWrap[0]).append('svg') .attr('width', width) .attr('height', height) .append('g') .attr('transform', '0,0') svg.append("g") .attr('id', 'timeline-labels') .attr("transform", "translate(0,#{height-20})") .call(xAxis) # Bars svg.append('g') .attr('id', 'timeline-bars') .selectAll(".bar") .data(@data.values) .enter().append("rect") .attr("class", "bar") .attr("x", (d) -&gt; x(d.x) ) .attr("width", 25) .attr("y", (d) -&gt; y(d.y) - 30 ) .attr("height", (d) =&gt; height - y(d.y) ).attr("data-date", (d) =&gt; d.x ).attr("data-count", (d) =&gt; d.y ) </code></pre> <p>And then here's my sample JSON for the graph:</p> <pre><code>{ "key": "Documents", "values": [ { "x": "1980", "y": 1752 }, { "x": "1981", "y": 0 }, { "x": "1982", "y": 0 }, { "x": "1983", "y": 0 }, { "x": "1984", "y": 0 }, { "x": "1985", "y": 0 }, ], "type": "year" } </code></pre> <p>The final chart was nearly there, but now all the labels are stacking up under one bar:<img src="https://i.stack.imgur.com/yxYHE.png" alt="D3 Chart"></p>
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    1. PTQuestion
    1. USKevin Whitaker
    1. USKevin Whitaker
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    1. COAny reason you're not using the axis you're creating? `svg.append("g").call(xAxis)` (with some translation) should take care of the positioning of the labels.
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      1. POD3.js Barchart: getting x-axis labels to line up with bars, and rotate them slightly
      1. USLars Kotthoff
    2. COHonestly I inherited this code, and I'm pretty new to d3. How can I utilize the xAxis?
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      1. POD3.js Barchart: getting x-axis labels to line up with bars, and rotate them slightly
      1. USKevin Whitaker
    3. COLike I've outlined above. You append a `g` element and then `.call(xAxis)`.
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      1. POD3.js Barchart: getting x-axis labels to line up with bars, and rotate them slightly
      1. USLars Kotthoff
 

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