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我想控制d3.js的樣式完全使用JS的散點圖矩陣圖不使用CSS。我知道它的效率有點低,但我呈現的不止一張圖表,它們都有不同的風格。有人能告訴我我在這裏做錯了什麼,因爲我的軸文字已經消失了。沒有CSS的d3.js中的軸文本樣式
JS斌:
https://jsbin.com/siqewicizu/edit?js,output
代碼以供參考:
var width = 960,
size = 230,
padding = 20;
var x = d3.scale.linear()
.range([padding/2, size - padding/2]);
var y = d3.scale.linear()
.range([size - padding/2, padding/2]);
var xAxis = d3.svg.axis()
.scale(x)
.orient("bottom")
.ticks(6);
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.ticks(6);
var color = d3.scale.category10();
var domainByTrait = {},
traits = d3.keys(data[0]).filter(function(d) { return d !== "species"; }),
n = traits.length;
traits.forEach(function(trait) {
domainByTrait[trait] = d3.extent(data, function(d) { return d[trait]; });
});
xAxis.tickSize(size * n);
yAxis.tickSize(-size * n);
var svg = d3.select("body").append("svg")
.attr("width", size * n + padding)
.attr("height", size * n + padding)
.append("g")
.attr("transform", "translate(" + padding + "," + padding/2 + ")");
svg.selectAll(".x.axis")
.data(traits)
.enter().append("g")
.attr("class", "xAxis")
.attr("transform", function(d, i) { return "translate(" + (n - i - 1) * size + ",0)"; })
.each(function(d) { x.domain(domainByTrait[d]); d3.select(this).call(xAxis); });
svg.selectAll(".y.axis")
.data(traits)
.enter().append("g")
.attr("class", "yAxis")
.attr("transform", function(d, i) { return "translate(0," + i * size + ")"; })
.each(function(d) { y.domain(domainByTrait[d]); d3.select(this).call(yAxis); });
svg.selectAll(".xAxis")
.style("fill", "none");
svg.selectAll(".yAxis")
.style("fill", "none")
svg.selectAll("line")
.style("stroke", "#ddd")
.style("shape-rendering", "crispEdges");
var cell = svg.selectAll(".cell")
.data(cross(traits, traits))
.enter().append("g")
.attr("transform", function(d) { return "translate(" + (n - d.i - 1) * size + "," + d.j * size + ")"; })
.each(plot);
// Titles for the diagonal.
cell.filter(function(d) { return d.i === d.j; }).append("text")
.attr("x", padding)
.attr("y", padding)
.attr("dy", ".71em")
.style("font-weight", "bold")
.style("text-transform", "capitalize")
.style("font-family", "arial")
.style("font-size", "10px")
.text(function(d) { return d.x; });
function plot(p) {
var cell = d3.select(this);
x.domain(domainByTrait[p.x]);
y.domain(domainByTrait[p.y]);
cell.append("rect")
.style("fill", "none")
.style("stroke", "#aaa")
.style("shape-rendering", "crispEdges")
.attr("x", padding/2)
.attr("y", padding/2)
.attr("width", size - padding)
.attr("height", size - padding);
cell.selectAll("circle")
.data(data)
.enter().append("circle")
.attr("cx", function(d) { return x(d[p.x]); })
.attr("cy", function(d) { return y(d[p.y]); })
.attr("r", 4)
.style("fill-opacity", "0.7")
.style("fill", function(d) { return color(d.species); });
}
function cross(a, b) {
var c = [], n = a.length, m = b.length, i, j;
for (i = -1; ++i < n;) for (j = -1; ++j < m;) c.push({x: a[i], i: i, y: b[j], j: j});
return c;
}