接上篇的的刷新折線圖的樣例，增加了信息點的顯示以及座標軸的更新。座標軸的時間更新的應用可用於做歷史曲線等曲線圖。在這裏碰到的問題是
在mircrosoft Edge下運行完美。但是在chrome下出現刻度線缺失情況。百思不得其解。先上運行結果圖：
html文件
<html>
<head>
<meta charset="utf-8">
<title>實時刷新折線圖</title>
<link rel="stylesheet" type="text/css" href="d3LineChart.css">
<script src="jquery-1.10.2.min.js" type="text/javascript"></script>
<script src="jquery.tipsy.js" type="text/javascript"></script>
<link href="tipsy.css" rel="stylesheet" type="text/css" />
<style>
.axis path,
.axis line{
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
.overlay {
fill: none;
pointer-events: all;
}
.tooltip{
width: 150px;
height: auto;
position: absolute;
font-family: simsun;
font-size: 16px;
line-height: 26px;
text-align: left;
border: 1px solid black;
background-color: white;
border-radius: 5px;
}
.tooltip .title{
border-bottom: 1px solid #000;
text-align: center;
}
.tooltip .desColor{
width: 10px;
height: 10px;
float: left;
margin: 9px 8px 1px 8px;
}
.tooltip .desText{
display: inline;
}
.focusLine {
stroke: black;
stroke-width: 1px;
stroke-dasharray: 5,5;
}
</style>
</head>
<body>
<script src="http://d3js.org/d3.v3.js" charset="utf-8"></script>
<script src="linechart.js" charset="utf-8"></script>
<svg id="fillgauge1" contentScriptType="text/ecmascript" width="500" xmlns:xlink="http://www.w3.org/1999/xlink" zoomAndPan="magnify" style="background-color:#ffffff;" contentStyleType="text/css" viewBox="0 0 500.0 300.0" height="300" preserveAspectRatio="xMidYMid meet" xmlns="http://www.w3.org/2000/svg" version="1.0">
</svg>
<script>
var t=new Date();
var timenow=t.getTime();
var dataset = [
{
country: "UK",
gdp: [[timenow-4000,NewValue()],[timenow-3000,NewValue()],[timenow-2000,NewValue()],
[timenow-1000,NewValue()],[timenow,NewValue()]]
},
{
country: "usa",
gdp: [[timenow-4000,NewValue()],[timenow-3000,NewValue()],[timenow-2000,NewValue()],
[timenow-1000,NewValue()],[timenow,NewValue()]]
}
];
var gauge1=loadLineChart("fillgauge1",dataset);
function NewValue(){
if(Math.random() > .5){
return Math.round(Math.random()*100);
} else {
return (Math.random()*100).toFixed(1);
}
}
function refreshLine(gauge1){
var nowDate=new Date();
var refreshtimenow=nowDate.getTime();
var updateData =[
{
country: "china",
gdp: [[refreshtimenow-4000,NewValue()],[refreshtimenow-3000,NewValue()],[refreshtimenow-2000,NewValue()],
[refreshtimenow-1000,NewValue()],[refreshtimenow,NewValue()]]
},
{
country: "usa",
gdp: [[refreshtimenow-4000,NewValue()],[refreshtimenow-3000,NewValue()],[refreshtimenow-2000,NewValue()],
[refreshtimenow-1000,NewValue()],[refreshtimenow,NewValue()]]
}
];
gauge1.update(updateData);
}
self.setInterval("refreshLine(gauge1)",4000);
</script>
</body>
</html>用於刷新和載入的js文件
function loadLineChart(elementId, dataset) {
var svg = d3.select("#" + elementId);
var strs = svg.attr("viewBox").split(" ");
var width = strs[2];
var height = strs[3];
//外邊框
var padding = {
top : 50,
right : 50,
bottom : 50,
left : 50
};
var names = new Array();
//計算GDP的最大值
var gdpmax = 0;
for (var i = 0; i < dataset.length; i++) {
var currGdp = d3.max(dataset[i].gdp, function (d) {
return d[1];
});
if (currGdp > gdpmax)
gdpmax = currGdp;
}
//計算時間戳的最大值
var timemax = 0;
var timemin = 0;
for (var i = 0; i < dataset.length; i++) {
var currMaxTime = d3.max(dataset[i].gdp, function (d) {
return d[0];
});
var currMinTime = d3.min(dataset[i].gdp, function (d) {
return d[0];
});
if (currMaxTime > timemax) {
timemax = currMaxTime;
}
timemin = currMinTime;
}
var xScale = d3.time.scale()
.domain([new Date(timemin), new Date(timemax)])
.range([0, width - padding.left - padding.right]);
var yScale = d3.scale.linear()
.domain([0, gdpmax * 1.1])
.range([height - padding.top - padding.bottom, 0]);
//創建一個直線生成器
var linePath = d3.svg.line()
.x(function (d) {
return xScale(d[0]);
})
.y(function (d) {
return yScale(d[1]);
})
//.interpolate("basis");
//定義兩個顏色
var colors = [d3.rgb(0, 0, 255), d3.rgb(0, 255, 0)];
//添加路徑
svg.selectAll("path") //選擇<svg>中所有的<path>
.data(dataset) //綁定數據
.enter() //選擇enter部分
.append("path") //添加足夠數量的<path>元素
.attr("transform", "translate(" + padding.left + "," + padding.top + ")")
.attr("d", function (d) {
return linePath(d.gdp); //返回直線生成器得到的路徑
})
.attr("fill", "none")
.attr("stroke-width", 3)
.attr("stroke", function (d, i) {
return colors[i];
});
var dataCirclesGroup = null;
dataCirclesGroup = svg.append('svg:g');
dataCirclesGroup.attr("transform", "translate(" + padding.left + "," + padding.top + ")");
var chinaData = dataset[1].gdp.concat(dataset[0].gdp);
dataCirclesGroup.selectAll('circle')
.data(chinaData)
.enter()
.append('svg:circle')
.attr('class', 'data-point')
.attr('cx', function (d) {
return xScale(
d[0]);
})
.attr('cy', function (d) {
return yScale(
d[1]);
})
.attr('r', 4);
//規定提示框中時間的格式
function formatDate(now) {
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSeconds();
var minsecond = now.getMilliseconds();
return hour + ":" + minute + ":" + second + ":" + minsecond;
}
$('svg circle').tipsy({
gravity : 'w',
html : true,
title : function () {
var d = this.__data__;
var pDate = new Date(d[0]);
return 'Date: ' + formatDate(pDate) + '<br>Value: ' + d[1];
}
});
var markStep = 80;
var gMark = svg.selectAll(".gMark")
.data(dataset)
.enter()
.append("g")
.attr("transform", function (d, i) {
return "translate(" + (padding.left + i * markStep) + "," + (height - padding.bottom + 40) + ")";
});
gMark.append("rect")
.attr("x", 0)
.attr("y", 0)
.attr("width", 10)
.attr("height", 10)
.attr("fill", function (d, i) {
return colors[i];
});
gMark.append("text")
.attr("dx", 15)
.attr("dy", ".5em")
.attr("fill", "black")
.text(function (d) {
return d.country;
});
//x軸,刻度線轉換爲時分秒
var xAxis = d3.svg.axis()
.scale(xScale)
.ticks(5)
.tickFormat(d3.time.format("%H:%M:%S"))
//.tickSize(10)
.orient("bottom");
//y軸
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left");
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + padding.left + "," + (height - padding.bottom) + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + padding.left + "," + padding.top + ")")
.call(yAxis);
function updateLineChart() {
//更新折線圖
this.update = function (updateData) {
var timemax = 0;
var timemin = 0;
var chData = updateData[1].gdp.concat(updateData[0].gdp);
for (var i = 0; i < updateData.length; i++) {
var currMaxTime = d3.max(updateData[i].gdp, function (d) {
return d[0];
});
var currMinTime = d3.min(updateData[i].gdp, function (d) {
return d[0];
});
if (currMaxTime > timemax) {
timemax = currMaxTime;
}
timemin = currMinTime;
}
xScale = d3.time.scale()
.domain([new Date(timemin), new Date(timemax)])
.range([0, width - padding.left - padding.right]);
xAxis = d3.svg.axis()
.scale(xScale)
.ticks(5)
.tickFormat(d3.time.format("%H:%M:%S"))
.orient("bottom");
svg.selectAll("g.axis")
.call(xAxis);
var numValues = updateData.length;
var updategdpmax = 0;
for (var i = 0; i < updateData.length; i++) {
var currGdp = d3.max(updateData[i].gdp, function (d) {
return d[1];
});
if (currGdp > updategdpmax)
updategdpmax = currGdp;
}
yScale = d3.scale.linear()
.domain([0, updategdpmax * 1.1])
.range([height - padding.top - padding.bottom, 0]);
yAxis = d3.svg.axis()
.scale(yScale)
.orient("left");
svg.selectAll("g.y.axis")
.call(yAxis);
svg.selectAll("path") //選擇<svg>中所有的<path>
.data(updateData) //綁定數據
.transition()
.duration(2000)
.ease("linear")
.attr("d", function (d) {
return linePath(d.gdp); //返回直線生成器得到的路徑
});
dataCirclesGroup.selectAll('circle')
.data(chData)
.transition()
.duration(2000)
.attr('cx', function (d) {
return xScale(d[0])
})
.attr('cy', function (d) {
return yScale(d[1])
})
.attr('r', 4);
}
}
return new updateLineChart();
}
下面上在谷歌下的運行結果：
座標軸成了這個熊樣子了，求高手解答