1
我使用的是d3.js
,我試圖在同一頁面上顯示多個圖表。雖然d3.js
代碼是相同的。一個圖表從Measurements.csv
和另一個從m1.csv
。在一個頁面上的多個簡單圖形d3.js
<!DOCTYPE html>
<svg width="1000" height="500"></svg>
<style> /* set the CSS */
.grid line {
stroke: aquamarine;
stroke-opacity: 0.7;
shape-rendering: crispEdges;
}
.grid path {
stroke-width: 1;
}
</style>
<style>
body {
background-color: SlateGrey;
}
</style>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
// set the dimensions and margins of the graph
var svg2 = d3.select("svg"),
margin = {top: 0, right: 0, bottom: 90, left: 50},
width = 950 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom,
g = svg2.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleLinear()
.rangeRound([0, width]);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
// gridlines in x axis function
function make_x_gridlines() {
return d3.axisBottom(x)
.ticks(5)
}
// gridlines in y axis function
function make_y_gridlines() {
return d3.axisLeft(y)
.ticks(5)
}
var line = d3.line()
.x(function(d) { return x(d.frequency); })
.y(function(d) { return y(d.output); });
d3.csv("Measurements.csv", function(d) {
d.frequency = +d.frequency;
d.output = +d.output;
return d;
}, function(error, data) {
if (error) throw error;
x.domain(d3.extent(data, function(d) { return d.frequency; }));
y.domain(d3.extent(data, function(d) { return d.output; }));
g.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x))
.append("text")
.attr("fill", "#000")
.attr("y", 10)
.attr("dx", "0.71em")
.attr("text-anchor", "end")
.text("Frequency");
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("fill", "#000")
.attr("transform", "rotate(-90)")
.attr("y", 9)
.attr("dy", "0.71em")
.attr("text-anchor", "end")
.text("Mixer");
g.append("path")
.datum(data)
.attr("fill", "none")
.attr("stroke", "aquamarine")
.attr("stroke-linejoin", "round")
.attr("stroke-linecap", "round")
.attr("stroke-width", 4)
.attr("d", line);
// add the X gridlines
svg2.append("g")
.attr("class", "grid")
.attr("transform", "translate(0," + height + ")")
.call(make_x_gridlines()
.tickSize(-height)
.tickFormat("")
)
// add the Y gridlines
svg2.append("g")
.attr("class", "grid")
.call(make_y_gridlines()
.tickSize(-width)
.tickFormat("")
)
});
// set the dimensions and margins of the graph
var svg3 = d3.select("svg"),
margin = {top: 0, right: 0, bottom: 90, left: 50},
width = 950 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom,
g = svg2.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var x = d3.scaleLinear()
.rangeRound([0, width]);
var y = d3.scaleLinear()
.rangeRound([height, 0]);
// gridlines in x axis function
function make_x_gridlines() {
return d3.axisBottom(x)
.ticks(5)
}
// gridlines in y axis function
function make_y_gridlines() {
return d3.axisLeft(y)
.ticks(5)
}
var line = d3.line()
.x(function(d) { return x(d.frequency); })
.y(function(d) { return y(d.output); });
d3.csv("m1.csv", function(d) {
d.frequency = +d.frequency;
d.output = +d.output;
return d;
}, function(error, data) {
if (error) throw error;
x.domain(d3.extent(data, function(d) { return d.frequency; }));
y.domain(d3.extent(data, function(d) { return d.output; }));
g.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x))
.append("text")
.attr("fill", "#000")
.attr("y", 10)
.attr("dx", "0.71em")
.attr("text-anchor", "end")
.text("Frequency");
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("fill", "#000")
.attr("transform", "rotate(-90)")
.attr("y", 9)
.attr("dy", "0.71em")
.attr("text-anchor", "end")
.text("Mixer");
g.append("path")
.datum(data)
.attr("fill", "none")
.attr("stroke", "aquamarine")
.attr("stroke-linejoin", "round")
.attr("stroke-linecap", "round")
.attr("stroke-width", 4)
.attr("d", line);
// add the X gridlines
svg3.append("g")
.attr("class", "grid")
.attr("transform", "translate(0," + height + ")")
.call(make_x_gridlines()
.tickSize(-height)
.tickFormat("")
)
// add the Y gridlines
svg3.append("g")
.attr("class", "grid")
.call(make_y_gridlines()
.tickSize(-width)
.tickFormat("")
)
});
</script>
我發現必須使用不同的變量名持有svgs
如svg1
,SVG2 .. etc..but的一個圖表鋪設other.How解決呢? here is the chart on the other!
這個d3.select(「svg」),是選擇svg元素,你需要創建更多的元素 –