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javascript - 使用 D3 将多个图表添加到一页

转载 作者:行者123 更新时间:2023-11-28 01:01:06 25 4
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我想弄清楚如何将两个 d3 图放在同一页上,一个在左边,一个在右边。但是,我得到的是这个。 enter image description here

这是我的 html 文件。

<!DOCTYPE html>
<meta charset="utf-8">
<style>

svg {
font: 10px sans-serif;
}

.polyline path {
fill: none;
stroke: #666;
shape-rendering: crispEdges;
}

.axis line,
.axis path {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}

.axis text {
text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, 0 -1px 0 #fff, -1px 0 0 #fff;
cursor: move;
}

.xaxis text {
font: 10px sans-serif;
}
.yaxis text {
font: 10px sans-serif;
}

.xaxis path,
.xaxis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}

.yaxis path,
.yaxis line {
fill: none;
stroke: #000;
shape-rendering: crispEdges;
}


</style>
<body>
<svg class="chart"></svg>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src = "project3.js">//https://my.up.ist.psu.edu/lng5099/project3.html </script>
</body>
</html>

这是我的js文件。

(function() {
var margin = {top: 20, right: 30, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal().rangePoints([0, width], 1),
y = {};

var axis = d3.svg.axis().orient("left");

var line = d3.svg.line() //define a function to convert points into a polyline
.x(function(d) { return d.x; })
.y(function(d) { return d.y; })
.interpolate("linear");//line style. you can try "cardinal".

var chart = d3.select(".chart")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var cars=[];

d3.csv("cars.csv", type, function(error, data) {
cars = data;
drawPC();
});

function drawPC() {

// Extract the list of dimensions and create a scale for each.
for (var dim in cars[0]) {
if (dim != "name") {
y[dim] = d3.scale.linear()
.domain([d3.min(cars, function(d) { return +d[dim]; }), d3.max(cars, function(d) { return +d[dim]; })])
.range([height,0]);
}
}

x.domain(dimensions = d3.keys(cars[0]).filter(function(d) { return d != "name";}));

//draw polylines
for (var i=1; i< cars.length; i++) { //for each car

//prepare the coordinates for a polyline
var lineData = []; //initialize an array for coordinates of a polyline
for (var prop in cars[0]) { //get each dimension
if (prop != "name" ) { //skip the name dimension
var point = {}; //initialize a coordinate object
var val = cars[i][prop]; //obtain the value of a car in a dimension
point['x'] = x(prop); //x value: mapping the dimension
point['y'] = y[prop](val);//y value: mapping the value in that dimension
lineData.push(point); //add the object into the array
}
}

//draw a polyline based on the coordindates
chart.append("g")
.attr("class", "polyline")
.append("path") // a path shape
.attr("d", line(lineData)); //line() is a function to turn coordinates into SVG commands
}

//next: draw individual dimension lines
//position dimension lines appropriately
var g = chart.selectAll(".dimension")
.data(dimensions)
.enter().append("g")
.attr("class", "dimension")
.attr("transform", function(d) { return "translate(" + x(d) + ")"; }); //translate each axis

// Add an axis and title.
g.append("g")
.attr("class", "axis")
.each(function(d) { d3.select(this).call(axis.scale(y[d])); })
.append("text")
.style("text-anchor", "middle")
.attr("y", -9)
.text(function(d) { return d; });

};

//this function coerces numerical data to numbers
function type(d) {
d.economy = +d.economy; // coerce to number
d.displacement = +d.displacement; // coerce to number
d.power = +d.power; // coerce to number
d.weight = +d.weight; // coerce to number
d.year = +d.year;
return d;
}
})();
(function() {
var margin = {top: 20, right: 30, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear().range([50, width]),
y = d3.scale.linear().range([height-20,0]);

var chart = d3.select(".chart")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var xAxis = d3.svg.axis().scale(x).orient("bottom");

var yAxis = d3.svg.axis().scale(y).orient("left");

var cars=[];

d3.csv("cars.csv", type, function(error, data) {
cars = data;
drawXY();
});

function drawXY(){

x.domain([d3.min(cars, function(d) { return d.year; }), d3.max(cars, function(d) { return d.year; })]);
y.domain([d3.min(cars, function(d) { return d.power; }), d3.max(cars, function(d) { return d.power; })]);

var yPos = height -20;
chart.append("g")
.attr("class", "xaxis")
.attr("transform", "translate(0," + yPos + ")")
.call(xAxis);

chart.append("g")
.attr("class", "yaxis")
.attr("transform", "translate(50,0)")
.call(yAxis);

chart.selectAll(".dot")
.data(cars)
.enter().append("circle")
.attr("class", "dot")
.attr("cx", function(d) { return x(d.year); })
.attr("cy", function(d) { return y(d.power); })
.attr("r", 3);
}
d3.selectAll("circle").data(cars).enter()
.append("circle")
.classed("circle", true)
.on("mouseover", function() { d3.select(d3.event.target).classed("highlight", true); })
.on("mouseout", function() { d3.select(d3.event.target).classed("highlight", false); });

function type(d) {
d.economy = +d.economy; // coerce to number
d.displacement = +d.displacement; // coerce to number
d.power = +d.power; // coerce to number
d.weight = +d.weight; // coerce to number
d.year = +d.year;
return d;
}
})();

两者都在显示,但我不确定如何设置它们才能正确定位。请帮忙。

最佳答案

发现我的边距、宽度和高度的定位存在问题。有任何需要帮助的人的 java 代码。

(function() {
var margin = {top: 20, right: 30, bottom: 30, left: 40},
width = 700 - margin.left - margin.right,
height = 600 - margin.top - margin.bottom;

var x = d3.scale.ordinal().rangePoints([0, width], 1),
y = {};

var axis = d3.svg.axis().orient("left");

var line = d3.svg.line() //define a function to convert points into a polyline
.x(function(d) { return d.x; })
.y(function(d) { return d.y; })
.interpolate("linear");//line style. you can try "cardinal".

var chart = d3.select(".chart")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var cars=[];

d3.csv("cars.csv", type, function(error, data) {
cars = data;
drawPC();
});

function drawPC() {

// Extract the list of dimensions and create a scale for each.
for (var dim in cars[0]) {
if (dim != "name") {
y[dim] = d3.scale.linear()
.domain([d3.min(cars, function(d) { return +d[dim]; }), d3.max(cars, function(d) { return +d[dim]; })])
.range([height,0]);
}
}

x.domain(dimensions = d3.keys(cars[0]).filter(function(d) { return d != "name";}));

//draw polylines
for (var i=1; i< cars.length; i++) { //for each car

//prepare the coordinates for a polyline
var lineData = []; //initialize an array for coordinates of a polyline
for (var prop in cars[0]) { //get each dimension
if (prop != "name" ) { //skip the name dimension
var point = {}; //initialize a coordinate object
var val = cars[i][prop]; //obtain the value of a car in a dimension
point['x'] = x(prop); //x value: mapping the dimension
point['y'] = y[prop](val);//y value: mapping the value in that dimension
lineData.push(point); //add the object into the array
}
}

//draw a polyline based on the coordindates
chart.append("g")
.attr("class", "polyline")
.append("path") // a path shape
.attr("d", line(lineData)); //line() is a function to turn coordinates into SVG commands
}

//next: draw individual dimension lines
//position dimension lines appropriately
var g = chart.selectAll(".dimension")
.data(dimensions)
.enter().append("g")
.attr("class", "dimension")
.attr("transform", function(d) { return "translate(" + x(d) + ")"; }); //translate each axis

// Add an axis and title.
g.append("g")
.attr("class", "axis")
.each(function(d) { d3.select(this).call(axis.scale(y[d])); })
.append("text")
.style("text-anchor", "middle")
.attr("y", -9)
.text(function(d) { return d; });

};

//this function coerces numerical data to numbers
function type(d) {
d.economy = +d.economy; // coerce to number
d.displacement = +d.displacement; // coerce to number
d.power = +d.power; // coerce to number
d.weight = +d.weight; // coerce to number
d.year = +d.year;
return d;
}
})();

(function() {
var margin = {top: 20, right: 30, bottom: 30, left: 690},
width = 1300 - margin.left - margin.right,
height = 600 - margin.top - margin.bottom;

var x = d3.scale.linear().range([50, width]),
y = d3.scale.linear().range([height-20,0]);

var chart = d3.select(".chart")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var xAxis = d3.svg.axis().scale(x).orient("bottom");

var yAxis = d3.svg.axis().scale(y).orient("left");

var cars=[];

d3.csv("cars.csv", type, function(error, data) {
cars = data;
drawXY();
});

function drawXY(){

x.domain([d3.min(cars, function(d) { return d.year; }), d3.max(cars, function(d) { return d.year; })]);
y.domain([d3.min(cars, function(d) { return d.power; }), d3.max(cars, function(d) { return d.power; })]);

var yPos = height -20;
chart.append("g")
.attr("class", "xaxis")
.attr("transform", "translate(0," + yPos + ")")
.call(xAxis);

chart.append("g")
.attr("class", "yaxis")
.attr("transform", "translate(50,0)")
.call(yAxis);

chart.selectAll(".dot")
.data(cars)
.enter().append("circle")
.attr("class", "dot")
.attr("cx", function(d) { return x(d.year); })
.attr("cy", function(d) { return y(d.power); })
.attr("r", 3);
}
d3.selectAll("circle").data(cars).enter()
.append("circle")
.classed("circle", true)
.on("mouseover", function() { d3.select(d3.event.target).classed("highlight", true); })
.on("mouseout", function() { d3.select(d3.event.target).classed("highlight", false); });

function type(d) {
d.economy = +d.economy; // coerce to number
d.displacement = +d.displacement; // coerce to number
d.power = +d.power; // coerce to number
d.weight = +d.weight; // coerce to number
d.year = +d.year;
return d;
}
})();

关于javascript - 使用 D3 将多个图表添加到一页,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42180842/

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