在d3中的多轴线图上添加x和y2轴的工具提示和聚焦指南
1 个答案:
答案 0 :(得分：1)
这是一个快速重构器。
构建工具提示框（注意我正在对所有元素进行分组以使更新更容易）：
// place the significant features at the intersection
var tooltip = focus.append("g")
.attr("class","toolbox");
tooltip.append("rect")
.style("fill", "#eee")
.style("opacity",0.8)
.attr("width", 130)
.attr("height", 15);
tooltip.append("rect")
.style("fill", "none")
.style("stroke", "#eee")
.style("stroke-width", 2)
.style("opacity",0.8)
.attr("width", 130)
.attr("height", 35);
tooltip.append("text")
.attr("dx", 8)
.attr("dy", 12)
.text("Number Of Features:");
tooltip.append("text")
.attr("class","featText")
.attr("dx", 20)
.attr("dy", 30);
tooltip.append("circle")
.attr("class", "y")
.style("fill", "#fff")
.style("stroke", "#00B151")
.attr("r", 6);
将鼠标改为：
function mousemove() {
var x0 = x.invert(d3.mouse(this)[0]),
i = bisectDate(data, x0, 1),
d0 = data[i - 1],
d1 = data[i],
d = x0 - d0.date > d1.date - x0 ? d1 : d0;
focus.select(".toolbox")
.attr("transform",
"translate(" + x(d.date) + "," +
y1(d.sigFeatures) + ")");
focus.select(".featText")
.text(d.sigFeatures);
focus.select(".x")
.attr("transform",
"translate(" + x(d.date) + "," +
y1(d.sigFeatures) + ")")
.attr("y2", height - y1(d.sigFeatures));
focus.select(".y")
.attr("transform",
"translate(" + width * -1 + "," +
y1(d.sigFeatures) + ")")
.attr("x2", width + width)
.attr("x1", x(d.date) - (width * -1)); //<-- fixes horizontal line to go only to right
}
完整的工作代码：
<!DOCTYPE html>
<html>
<head>
<script data-require="d3@3.5.3" data-semver="3.5.3" src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.3/d3.js"></script>
<style>
body {
font: 12px Arial;
}
path {
stroke: steelblue;
stroke-width: 2;
fill: none;
}
.axis path,
.axis line {
fill: none;
stroke: grey;
stroke-width: 1;
shape-rendering: crispEdges;
}
div.tooltip {
position: absolute;
text-align: left;
font: 12px sans-serif;
padding-top: 2px;
padding-bottom: 2px;
padding-right: 6px;
padding-left: 6px;
background: white;
border: 1px;
border-style: solid;
pointer-events: none;
}
p.tooltip-title {
background-color: #E0E0E0;
}
pre {
display: none;
}
</style>
</head>
<body>
<pre id="data">date,sigFeatures,cumCPA,goal,cumConversions
13-Jan-15,0,56.56,12,96
14-Jan-15,16,46.97,12,142
15-Jan-15,32,41.50,12,190
16-Jan-15,32,34.86,12,261
17-Jan-15,34,25.95,12,395
18-Jan-15,68,21.50,12,532
19-Jan-15,68,18.80,12,674
20-Jan-15,68,17.39,12,798
21-Jan-15,119,16.65,12,908
22-Jan-15,119,15.74,12,1041
23-Jan-15,115,14.67,12,1200
24-Jan-15,124,14.18,12,1322
25-Jan-15,124,13.63,12,1462
26-Jan-15,125,13.05,12,1619
27-Jan-15,125,12.58,12,1784
28-Jan-15,125,11.82,12,2024
29-Jan-15,189,11.02,12,2301
30-Jan-15,189,10.85,12,2458
31-Jan-15,218,10.49,12,2671
1-Feb-15,246,10.08,12,2905
2-Feb-15,246,9.81,12,3114
3-Feb-15,246,9.56,12,3336
4-Feb-15,283,9.31,12,3570
5-Feb-15,323,8.95,12,3869
6-Feb-15,323,8.85,12,4067
7-Feb-15,325,8.76,12,4265
8-Feb-15,325,8.66,12,4477
9-Feb-15,325,8.55,12,4695
10-Feb-15,325,8.58,12,4840
11-Feb-15,334,8.52,12,5039
12-Feb-15,343,8.39,12,5274
13-Feb-15,343,8.42,12,5403
14-Feb-15,340,8.41,12,5557
15-Feb-15,357,8.37,12,5739
16-Feb-15,373,8.34,12,5917
17-Feb-15,373,8.29,12,6117
18-Feb-15,373,8.29,12,6260
19-Feb-15,364,8.28,12,6410
20-Feb-15,379,8.31,12,6559
21-Feb-15,373,8.25,12,6780
22-Feb-15,399,8.20,12,6996
23-Feb-15,399,8.15,12,7208
24-Feb-15,370,8.05,12,7471
25-Feb-15,370,8.00,12,7690
26-Feb-15,394,7.94,12,7932
27-Feb-15,408,7.89,12,8169
28-Feb-15,408,7.70,12,8556
1-Mar-15,410,7.60,12,8862
2-Mar-15,410,7.48,12,9199
3-Mar-15,449,7.30,12,9627
4-Mar-15,442,7.18,12,9983
5-Mar-15,442,7.02,12,10424
6-Mar-15,439,6.95,12,10725
7-Mar-15,418,6.86,12,11064
8-Mar-15,418,6.81,12,11337
9-Mar-15,474,6.74,12,11679
10-Mar-15,457,6.65,12,12049
11-Mar-15,468,6.57,12,12381
12-Mar-15,427,6.53,12,12683
13-Mar-15,463,6.49,12,12966
14-Mar-15,411,6.43,12,13310
15-Mar-15,411,6.38,12,13628
16-Mar-15,443,6.33,12,13947
17-Mar-15,437,6.24,12,14366
18-Mar-15,445,6.21,12,14676
19-Mar-15,460,6.21,12,14917
20-Mar-15,458,6.20,12,15146
</pre>
<script>
var margin = {
top: 30,
right: 40,
bottom: 30,
left: 50
},
width = 960 - margin.left - margin.right,
height = 470 - margin.top - margin.bottom;
var parseDate = d3.time.format("%d-%b-%y").parse;
var formatDate = d3.time.format("%e %B"); // ********
var bisectDate = d3.bisector(function(d) {
return d.date;
}).left;
// Set chart ranges
var x = d3.time.scale().range([0, width]);
var y0 = d3.scale.linear().range([height, 0]);
var y1 = d3.scale.linear().range([height, 0]);
// Define X-Axis
var xAxis = d3.svg.axis().scale(x)
.orient("bottom").ticks(5);
// Define Left Y-Axis
var yAxisLeft = d3.svg.axis().scale(y0)
.orient("left").ticks(5)
.tickFormat(d3.format("$"));
// Define Right Y-Axis
var yAxisRight = d3.svg.axis().scale(y1)
.orient("right").ticks(5);
// Define cumulative CPA line
var valueline = d3.svg.line()
.x(function(d) {
return x(d.date);
})
.y(function(d) {
return y0(d.cumCPA);
});
// Define significant features line
var valueline2 = d3.svg.line()
.x(function(d) {
return x(d.date);
})
.y(function(d) {
return y1(d.sigFeatures);
});
// Define the div for the tooltip
var tooldiv = d3.select("body").append("div")
.attr("class", "tooltip")
.style("opacity", "0")
.style("display", "none");
// Add svg canvas
var svg = d3.select("body")
.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 + ")");
// Add tooltip line & focus element
var lineSvg = svg.append("g");
var data = d3.csv.parse(d3.select("pre#data").text());
// Get the data
// d3.csv("campaign_data.csv", function(error, data) {
data.forEach(function(d) {
d.date = parseDate(d.date);
d.sigFeatures = +d.sigFeatures;
d.cumCPA = +d.cumCPA;
});
// Scale the range of the data
x.domain(d3.extent(data, function(d) {
return d.date;
}));
y0.domain([0, d3.max(data, function(d) {
return Math.max(d.cumCPA);
})]);
y1.domain([0, d3.max(data, function(d) {
return Math.max(d.sigFeatures);
})]);
// Add cumulative CPA path
svg.append("path")
.style("stroke", "#158BD5")
.attr("d", valueline(data));
// Add significant features path
svg.append("path")
.style("stroke", "#00B151")
.attr("d", valueline2(data));
// Add the X Axis (date)
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
// Add Y axis (cumulative CPA)
svg.append("g")
.attr("class", "y axis")
.style("fill", "#158BD5")
.call(yAxisLeft);
// Add Y axis (significant features)
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + width + " ,0)")
.style("fill", "#00B151")
.call(yAxisRight);
// START TOOLTIP INTEGRATION
var focus = svg.append("g")
.style("display", "none");
// append the x line
focus.append("line")
.attr("class", "x")
.style("stroke", "#555555")
.style("stroke-dasharray", "3,3")
.style("opacity", 0.5)
.attr("y1", 0)
.attr("y2", height);
// append the y line
focus.append("line")
.attr("class", "y")
.style("stroke", "#555555")
.style("stroke-dasharray", "3,3")
.style("opacity", 0.5)
.attr("x1", width)
.attr("x2", width / 2);
// append the circle at the intersection
// place the significant features at the intersection
var tooltip = focus.append("g")
.attr("class","toolbox");
tooltip.append("rect")
.style("fill", "#fff")
.style("stroke", "#eee")
.style("stroke-width", 2)
.style("opacity", 1)
.attr("width", 130)
.attr("height", 35);
tooltip.append("rect")
.style("fill", "#eee")
.style("opacity",0.8)
.attr("width", 130)
.attr("height", 15);
tooltip.append("text")
.attr("dx", 8)
.attr("dy", 12)
.text("Number Of Features:");
tooltip.append("text")
.attr("class","featText")
.attr("dx", 20)
.attr("dy", 30);
tooltip.append("circle")
.attr("class", "y")
.style("fill", "#fff")
.style("stroke", "#00B151")
.attr("r", 6);
// append the rectangle to capture mouse
svg.append("rect")
.attr("width", width)
.attr("height", height)
.style("fill", "none")
.style("pointer-events", "all")
.on("mouseover", function(d) {
focus.style("display", null);
})
.on("mouseout", function(d) {
focus.style("display", "none");
})
.on("mousemove", mousemove);
function mousemove() {
var x0 = x.invert(d3.mouse(this)[0]),
i = bisectDate(data, x0, 1),
d0 = data[i - 1],
d1 = data[i],
d = x0 - d0.date > d1.date - x0 ? d1 : d0;
focus.select(".toolbox")
.attr("transform",
"translate(" + x(d.date) + "," +
y1(d.sigFeatures) + ")");
focus.select(".featText")
.text(d.sigFeatures);
focus.select(".x")
.attr("transform",
"translate(" + x(d.date) + "," +
y1(d.sigFeatures) + ")")
.attr("y2", height - y1(d.sigFeatures));
focus.select(".y")
.attr("transform",
"translate(" + width * -1 + "," +
y1(d.sigFeatures) + ")")
.attr("x2", width + width)
.attr("x1", x(d.date) - (width * -1));
}
</script>
</body>
</html>
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