我要繪製x軸在一個月明智的格式。通過這段代碼我得到一年明智

Question

樣品輸入

24-Apr-07 93.24 
25-Apr-07 95.35 
26-Apr-07 98.84 
27-Apr-07 99.92 
30-Apr-07 99.80 
1-May-07 99.47 
2-May-07 100.39 
3-May-07 100.40 
4-May-07 100.81 
7-May-07 103.92 
8-May-07 105.06 
9-May-07 106.88 
10-May-07 107.34 
11-May-07 108.74 
14-May-07 109.36 
15-May-07 107.52 
16-May-07 107.34 


var margin = {top: 20, right: 20, bottom: 30, left: 50}, 
    width = 900 - margin.left - margin.right, 
    height = 500 - margin.top - margin.bottom; 

var formatDate = d3.time.format("%d-%b-%y"); 

var x = d3.time.scale() 
    .range([0, width]); 

var y = d3.scale.linear() 
    .range([height, 0]); 

var xAxis = d3.svg.axis() 
    .scale(x) 
    .orient("bottom"); 

var yAxis = d3.svg.axis() 
    .scale(y) 
    .orient("left"); 

var line = d3.svg.line() 
    .x(function(d) { return x(d.date); }) 
    .y(function(d) { return y(d.close); }); 

var svg = d3.select('#JsonBarChart').append("svg") 
    .attr("width", width + margin.left + margin.right) 
    .attr("height", height + margin.top + margin.bottom) 
    .append("g") 
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); 

d3.tsv("data2.tsv",function(error, data) { 
    if (error) throw error; 
    data.forEach(function(d) { 
     d.date = formatDate.parse(d.date); 
     d.close = +d.close; 
    }); 

    x.domain(d3.extent(data, function(d) { return d.date; })); 
    y.domain(d3.extent(data, function(d) { return d.close; })); 

    svg.append("g") 
     .attr("class", "x axis") 
     .attr("transform", "translate(0," + height + ")") 
     .call(xAxis); 

    svg.append("g") 
     .attr("class", "y axis") 
     .call(yAxis) 
    .append("text") 
     .attr("transform", "rotate(-90)") 
     .attr("y", 6) 
     .attr("dy", ".71em") 
     .style("text-anchor", "end") 
     .text("Price ($)"); 

    svg.append("path") 
     .datum(data) 
     .attr("class", "line") 
     .attr("d", line); 
}); 

Answer 1

退房爲軸線的ticks - 選項：

var xAxis = d3.svg.axis() 
    .scale(x) 
    .orient("bottom") 
    .ticks(d3.time.months); 

Answer 2

你有在你的設置軸tickFormat：

var xAxis = d3.svg.axis() 
    .scale(x) 
    .orient("bottom") 
    .tickFormat(d3.time.format("%b")); 

這裏是一個工作演示：

var data = [ 
 
    {"date": "24-Apr-07"}, 
 
    {"date": "25-Apr-07"}, 
 
    {"date": "26-Apr-07"}, 
 
    {"date": "27-Apr-07"}, 
 
    {"date": "30-Apr-07"}, 
 
    {"date": "01-May-07"}, 
 
    {"date": "02-May-07"}, 
 
    {"date": "03-May-07"}, 
 
    {"date": "04-May-07"}, 
 
    {"date": "05-May-07"}, 
 
    {"date": "06-May-07"}, 
 
    {"date": "07-May-07"}, 
 
    {"date": "08-May-07"}, 
 
    {"date": "09-May-07"}, 
 
    {"date": "10-May-07"}, 
 
    {"date": "11-May-07"}, 
 
    {"date": "12-May-07"}, 
 
    {"date": "13-May-07"}, 
 
    {"date": "14-May-07"}, 
 
    {"date": "15-May-07"}, 
 
    {"date": "16-May-07"} 
 
]; 
 

 
var width = 600, height = 200, 
 
     parseDate = d3.time.format("%d-%b-%y").parse; 
 

 
data.forEach(function(d){ 
 
    d.date = parseDate(d.date); 
 
}); 
 
     
 
var svg = d3.select("body") 
 
    .append("svg") 
 
    .attr("width", width) 
 
    .attr("height", height);  
 
      
 
var xScale = d3.time.scale() 
 
    .domain(d3.extent(data, function(d) { return d.date; })) 
 
    .range([0, width - 20]); 
 
     
 
var xAxis = d3.svg.axis() 
 
    .orient("bottom") 
 
    .scale(xScale) 
 
    .tickFormat(d3.time.format("%b")); 
 
    
 
svg.append("g") 
 
    .attr("class", "axis") 
 
    .attr("transform", "translate(0,50)") 
 
    .call(xAxis);

.axis path, .axis line { 
 
\t fill: none; 
 
\t stroke: black; 
 
\t shape-rendering: crispEdges; 
 
}

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