Javascript Can';t在d3散点图的x轴上显示日期
使用以下代码,我创建了两个版本的日期值(一个是字符串,Javascript Can';t在d3散点图的x轴上显示日期,javascript,d3.js,scatter-plot,Javascript,D3.js,Scatter Plot,使用以下代码,我创建了两个版本的日期值(一个是字符串,progressDateString,另一个是日期类型,progressDate): 我想用下面的代码在x轴上以12-Jul-19格式显示日期,但它不会打印日期值 const xScale = d3.scaleLinear() .range([0, width]) .domain([d3.min(data, d => { return d.progressDateString }), d3.max(data,
progressDateString
,另一个是日期类型,progressDate
):
我想用下面的代码在x轴上以12-Jul-19
格式显示日期,但它不会打印日期值
const xScale = d3.scaleLinear()
.range([0, width])
.domain([d3.min(data, d => { return d.progressDateString }), d3.max(data, d => { return d.progressDateString })]);
但是,如果使用progressDate
,则会得到以下图表,其中所有内容都在x轴上重叠:
任何想法,为什么我不能让它与progressDateString
value一起工作?实际上,它似乎应该起作用。谢谢你的帮助
为了以防万一,我将分享以下全部代码:
var parseTime = d3.timeParse("%d-%b-%y");
var formatTime = d3.timeFormat("%d-%b-%y");
data = d3.csvParse(data, function (d) {
return {
progress: d.Progress,
progressDate: parseTime(d.ProgressDate),
progressDateString: formatTime(parseTime(d.ProgressDate)),
};
});
console.log(data[2].progressDate);
const height = 300,
width = 400,
margins = { top: 20, right: 100, bottom: 50, left: 50 };
const chart = d3.select('.chart')
.attr('width', width + margins.left + margins.right)
.attr('height', height + margins.top + margins.bottom)
.append('g')
.attr('transform', 'translate(' + margins.left + ',' + margins.top + ')');
const xScale = d3.scaleLinear()
.range([0, width])
.domain([d3.min(data, d => { return d.progressDate }), d3.max(data, d => { return d.progressDate })]);
const yScale = d3.scaleLinear()
.range([0, height])
.domain([d3.max(data, d => { return d.progress }), 0]);
const dots = chart.selectAll('dot')
.data(data)
.enter().append('circle')
.attr('r', 5)
.attr('cx', d => { return xScale(d.progressDate); })
.attr('cy', d => { return yScale(d.progress) })
.style('fill', 'indianred');
chart.selectAll('text')
.data(data)
.enter().append('text')
.text(d => { return d.Name; })
.attr('x', d => { return xScale(d.progressDate); })
.attr('y', d => { return yScale(d.progress); })
.attr('transform', 'translate(10,5)');
chart.append('g')
.attr('transform', 'translate(0,' + height + ')')
.call(d3.axisBottom(xScale));
chart.append('g')
.call(d3.axisLeft(yScale));
chart.append('text')
.style('font-size', '14px')
.style('text-anchor', 'middle')
.attr('x', width / 2)
.attr('y', height + 50)
.text('Seconds Behind Fastest Time')
chart.append('text')
.style('font-size', '14px')
.style('text-anchor', 'middle')
.attr('x', height / -2)
.attr('y', -30)
.attr('transform', 'rotate(-90)')
.text('Ranking')
使用
scaleTime
而不是scaleLinear
可以达到目的。我希望它能帮助别人
var parseTime = d3.timeParse("%d-%b-%y");
var formatTime = d3.timeFormat("%d-%b-%y");
data = d3.csvParse(data, function (d) {
return {
progress: d.Progress,
progressDate: parseTime(d.ProgressDate),
progressDateString: formatTime(parseTime(d.ProgressDate)),
};
});
console.log(data[2].progressDate);
const height = 300,
width = 400,
margins = { top: 20, right: 100, bottom: 50, left: 50 };
const chart = d3.select('.chart')
.attr('width', width + margins.left + margins.right)
.attr('height', height + margins.top + margins.bottom)
.append('g')
.attr('transform', 'translate(' + margins.left + ',' + margins.top + ')');
const xScale = d3.scaleLinear()
.range([0, width])
.domain([d3.min(data, d => { return d.progressDate }), d3.max(data, d => { return d.progressDate })]);
const yScale = d3.scaleLinear()
.range([0, height])
.domain([d3.max(data, d => { return d.progress }), 0]);
const dots = chart.selectAll('dot')
.data(data)
.enter().append('circle')
.attr('r', 5)
.attr('cx', d => { return xScale(d.progressDate); })
.attr('cy', d => { return yScale(d.progress) })
.style('fill', 'indianred');
chart.selectAll('text')
.data(data)
.enter().append('text')
.text(d => { return d.Name; })
.attr('x', d => { return xScale(d.progressDate); })
.attr('y', d => { return yScale(d.progress); })
.attr('transform', 'translate(10,5)');
chart.append('g')
.attr('transform', 'translate(0,' + height + ')')
.call(d3.axisBottom(xScale));
chart.append('g')
.call(d3.axisLeft(yScale));
chart.append('text')
.style('font-size', '14px')
.style('text-anchor', 'middle')
.attr('x', width / 2)
.attr('y', height + 50)
.text('Seconds Behind Fastest Time')
chart.append('text')
.style('font-size', '14px')
.style('text-anchor', 'middle')
.attr('x', height / -2)
.attr('y', -30)
.attr('transform', 'rotate(-90)')
.text('Ranking')