D3.js x轴带字符串值的nvd3折线图

D3.js x轴带字符串值的nvd3折线图,d3.js,nvd3.js,D3.js,Nvd3.js,我是nvd3图表的新手。我需要一个折线图,在x轴上有字符串值 图表应该是这样的,但我需要一条线,而不是条线 我的结果是这样的 这些值都映射到x=0 我的代码 nv.addGraph(function() { var chart = nv.models.lineChart() .useInteractiveGuideline(true) .transitionDuration(350) .x(function(d) { return d.x}) .y(f

我是nvd3图表的新手。我需要一个折线图,在x轴上有字符串值 图表应该是这样的,但我需要一条线,而不是条线

我的结果是这样的 这些值都映射到x=0

我的代码

nv.addGraph(function() {
    var chart = nv.models.lineChart()
    .useInteractiveGuideline(true) 
    .transitionDuration(350)
    .x(function(d) { return d.x}) 
    .y(function(d) { return d.y}) 
    .showLegend(true)
    .showYAxis(true)
    .showXAxis(true);

    chart.xAxis.tickValues(["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]);

    d3.select(element + ' svg')
    .datum(data) 
    .call(chart);

    nv.utils.windowResize(chart.update);

    return chart;
});
还有我的数据

[{"color":"#a215af","key":"products","values":[
    {"label":"Monday","y":0,"x":"Monday"},
    {"label":"Tuesday","y":0,"x":"Tuesday"},
    {"label":"Wednesday","y":1,"x":"Wednesday"},
    {"label":"Thursday","y":6,"x":"Thursday"},
    {"label":"Friday","y":2,"x":"Friday"},
    {"label":"Saturday","y":0,"x":"Saturday"},
    {"label":"Sunday","y":13,"x":"Sunday"}]}] 
我试了很多,但不知道该怎么办

任何帮助或建议都会很好


解决方案 就像前面提到的,我用数值代替字符串 然后使用TickValue和tickFormat:

var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]

chart.xAxis.tickValues([0, 1, 2, 3, 4, 5, 6])
.tickFormat(function(d){
    return days[d]
});
var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]

chart.xAxis.tickValues([0, 1, 2, 3, 4, 5, 6])
.tickFormat(function(d){
    return days[d]
});
工作解决方案:

var data = [{"color":"#a215af","key":"products","values":[
    {"y":0,"x":0},
    {"y":0,"x":1},
    {"y":1,"x":2},
    {"y":6,"x":3},
    {"y":2,"x":4},
    {"y":0,"x":5},
    {"y":13,"x":6}]}] 

nv.addGraph(function() {
  var chart = nv.models.lineChart()
    .useInteractiveGuideline(true) 
    .transitionDuration(350)
    .x(function(d) { return d.x}) 
    .y(function(d) { return d.y}) 
    .showLegend(true)
    .showYAxis(true)
    .showXAxis(true);

  var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];

  chart.xAxis
    .tickValues([0, 1, 2, 3, 4, 5, 6])
    .tickFormat(function(d){
      return days[d]
    });

  d3.select(element + ' svg')
    .datum(data) 
    .call(chart);

  nv.utils.windowResize(chart.update);

  return chart;
});

正如dcclassics提到的,我采用数字值而不是字符串,然后使用tickValues和tickFormat:

var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]

chart.xAxis.tickValues([0, 1, 2, 3, 4, 5, 6])
.tickFormat(function(d){
    return days[d]
});
var days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]

chart.xAxis.tickValues([0, 1, 2, 3, 4, 5, 6])
.tickFormat(function(d){
    return days[d]
});

这个解决方案对我很有效

如果我没记错,如果将X轴值更改为数字会发生什么?(1-7)而不是几天?标签不会告诉它在哪里打印数据,它需要知道数据的值。thx!对于数字,它可以工作,但我需要字符串值。有没有办法将标签映射到数字?使用scale.ordinal或类似的东西?我找到了解决方案并更新了问题!thx经典!请为您自己的问题创建一个答案,mark作为接受者。