我已使用以下代码可视化我在csv文件中的数据。我缩放了数据以动态地适应svg元素,但即使我将scale函数传递给两者,x轴和y轴仍显示预缩放值。有人知道如何解决这个问题吗?
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>D3 Test</title>
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
<style>
.axis path,
.axis line {
fill: none;
stroke: black;
shape-rendering: crispEdges;
}
.axis text {
font-family: sans-serif;
font-size: 11px;
}
</style>
</head>
<body>
<script type="text/javascript">
//Width and height
var w = 500;
var h = 300;
var padding = 80;
var dataset = []
var generateVisualization = function(){
//Create scale functions
var xScale = d3.scale.linear()
.domain([d3.min(dataset, function(d) { return d[0]; }), d3.max(dataset, function(d) { return d[0]; })])
.range([padding, w - padding]);
var yScale = d3.scale.linear()
.domain([d3.min(dataset, function(d) { return d[1]; }), d3.max(dataset, function(d) { return d[1]; })])
.range([h - padding, padding]);
//Define X axis
var xAxis = d3.svg.axis()
.scale(xScale)
.orient("bottom")
.ticks(5);
//Define Y axis
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left")
.ticks(5);
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
//Create circles
svg.append("g")
.attr("id", "circles")
.selectAll("circle")
.data(dataset)
.enter()
.append("circle")
.attr("cx", function(d) {
return xScale(d[0]);
})
.attr("cy", function(d) {
return yScale(d[1]);
})
.attr("r", 2);
//Create X axis
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + (h - padding + 5) + ")")
.call(xAxis);
//Create Y axis
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + (padding - 5) + ",0)")
.call(yAxis);
};
d3.csv("OuputMatrix2.csv", function(error, d) {
dataset = d.map(function(d) { return [ +d["x"], +d["y"] ];
});
generateVisualization();});
</script>
</body>
</html>
以下是输出的屏幕截图: https://www.dropbox.com/s/2th83r4r42nn4el/Screenshot%202014-11-11%2015.45.55.png?dl=0