11

I spent the better part of the day trying to get a nice Date-axis histogram, to the extent that I'm posting my first question on stackoverflow.

bars are too thin

The axis and the stacking are just the way I want it, however the bars are really thin for no (to me) apparent reason. In other words, I would really appreciate some help.

Here's a minimized version (I'm using the dc.js library, however I'm pretty confident the challenges is on d3+crossfilters behalf):

var jsonstr = [{"timestamp": "2013-06-13T11:04:24.729Z"},{"timestamp": "2013-06-17T11:03:24.729Z"},{"timestamp": "2013-06-17T11:02:24.729Z"},{"timestamp": "2013-06-19T11:02:14.129Z"}];

var ndx = crossfilter(jsonstr);

var timestampD = ndx.dimension(function (d) {
    return new Date(d.timestamp);
});

var timestampDG = timestampD.group(function (d) {
    return d3.time.day(d);
});

var barChart = dc.barChart("#dc-bar");
barChart.width(500)
    .height(250)
    .dimension(timestampD)
    .group(timestampDG)
    .x(d3.time.scale().domain([(new Date(2013,05,12)), (new Date(2013,05,20))]).nice(d3.time.day))
    .xAxis().tickFormat(function (x) {
        return x.getDate() + "/" + (x.getMonth()+1);
    });

dc.renderAll();
4

2 に答える 2

14

問題は実際には dc.js の使用方法にあると思います。棒グラフの単位を指定しません。これを試してください：

barChart
    .width(500)
    .height(250)
    .dimension(timestampD)
    .xUnits(d3.time.days)
    .ect
于 2013-06-03T23:59:35.730 に答える
2

アダムの答えが何もしないように見えるこの問題を抱えている他の人のために、私がしたようにelasticXをtrueに設定していないことを確認してください。

于 2015-01-09T02:02:55.597 に答える