D3.js,乘元素< g> [英] D3.js, multiply element <g>

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问题描述

我是D3.js新手。我试图复制SVG组,但我不明白如何正确地做。这是我的群组:

I'm D3.js newbie. I'm trying to duplicate an SVG group but I can't understand how to correctly do it. This is my group:

// external <g>
var group = svg.append("g");
group.attr("class", "myGroup");
group.append('circle')
.attr({cx:20,cy:100,r:4,fill:'black','fill-opacity':1,stroke:'red','stroke-width':0});

// inner <g> with line and text
var groupLine = group.append('g');
groupLine.append('line')
.attr({x1:20,y1:100,x2:20,y2:20,stroke:'black','stroke-width':0.4});
groupLine.append('text')
.text('texttext')
.attr({x:200,y:200,'text-anchor':'start','transform':'translate(-182,294) rotate(-90)'})
.style("font-family","Verdana")
.style("font-size","12px");

(fiddle here: http://jsfiddle.net/n7Qs3/

(fiddle here: http://jsfiddle.net/n7Qs3/)

现在,基于一个简单的数组(D3.js,定位元素水平),我要乘以组,创建6组,并将其水平放置。基本上,这个想法是一样的古老的Flash 的duplicateMovieClip

Now, based on a simple array (D3.js, position elements horizontally), I want to multiply this group, creating 6 groups and position them horizontally. Basicly, the idea is the same as the ancient Flash duplicateMovieClip.

我该怎么办?

推荐答案

D3没有什么内置的,但你可以使用 .cloneNode()

There's nothing built into D3 for this, but you can use .cloneNode():

var newNode = group.node().cloneNode(true);
svg.append(function() { return newNode; });

您唯一需要做的是为每个副本设置偏移量:

The only thing you need to do is set the offset for each copy:

newNode.setAttribute("transform", "translate(" + (i * 100) + ",0)");

完成演示此处

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