在我的d3条形图中,我应该有Y轴动态刻度和整数值的网格线(没有刻度和十进制值的网格线)。但它不起作用,请帮我这个
var itemData =[{month: "MARCH", year: 2018, number: 26, date:1519842600000},{month: "MAY", year: 2018, number: 34, date: 1525113000000}];
createChart(itemData )
createChart(itemData) {
const router_temp = this.router;
const element = this.chartContainer.nativeElement;
const factoryId = itemData['id'];
const data = itemData.data;
d3.select(element).selectAll('*').remove();
const div = d3.select('body').append('div')
.attr('class', 'tooltip-bar-chart')
.style('display', 'none');
const svg = d3.select(element),
margin = {top: 10, right: 10, bottom: 20, left: 30},
width = +this.el.nativeElement.offsetWidth - margin.left - margin.right,
height = +svg.attr('height') - margin.top - margin.bottom;
const x = d3.scaleBand().range([10, width - 10]).padding(1),
y = d3.scaleLinear().rangeRound([height, 0]);
// add the X gridlines
svg.append('g')
.attr('class', 'grid')
.attr('transform', 'translate(30,' + height + ')')
.call(make_x_gridlines()
.tickSize(-height)
.tickFormat('')
);
// add the Y gridlines
svg.append('g')
.attr('class', 'grid')
.attr('transform', 'translate(30, 10)')
.call(make_y_gridlines()
.tickSize(-width)
.tickFormat('')
);
const g = svg.append('g')
.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
x.domain(data.map(function(d) { return d.month; }));
y.domain([0, d3.max(data, function(d) { return d.number; })]);
//
g.selectAll('.bar')
.data(data)
.enter().append('rect')
.attr('class', 'bar')
.attr('x', function(d) { return x(d.month); })
.attr('y', function(d) { return y(d.number); })
.attr('width', 12)
.attr('height', function(d) { return height - y(d.number); })
.on('mouseover', function(d) {
div.style('display', 'block');
div.html(
'<div class=\'main\'>' +
'<div class=\'month\'>' +
d.month +
'</div>' +
'<div class=\'number\'>' +
d.number +
'</div>' +
'<div class=\'bottom\'>' +
'Number of Applications Transformed & Migrated' +
'</div>' +
'</div>'
)
.style('left', (d3.event.pageX + 15) + 'px')
.style('top', (d3.event.pageY - 50) + 'px');
})
.on('mouseout', function(d) {
div.style('display', 'none');
})
const dataLength = data.length;
const xPositions = [];
for (let i = 0; i < dataLength; i += 1) {
xPositions.push(x(data[i].month) + margin.left);
}
const newX = d3.scaleOrdinal().range(xPositions);
const xScale = newX.domain(itemData.xlabels);
svg.append('g')
.attr('class', 'axis axis--x')
.attr('transform', 'translate(0,' + (height + 10) + ')')
.call(d3.axisBottom(xScale));
g.append('g')
.attr('class', 'axis axis--y')
.call(d3.axisLeft(y).ticks(5));
// gridlines in x axis function
function make_x_gridlines() {
return d3.axisBottom(x)
.ticks(1);
}
// gridlines in y axis function
function make_y_gridlines() {
return d3.axisLeft(y)
.ticks(5);
}
}
}
Here is sample