Raphael JS Pie:向路径切片添加ID [英] Raphael JS Pie: Add ID to path slices

问题描述

我已经在Raphael Google网上论坛上看到了这个问题，但是经过数小时的搜索以及在这里和Google的搜索之后，我似乎找不到解决方法.

I've seen this question asked over at the Raphael Google Groups, but after hours of searching there, and also on here, and Google, I cannot seem to find a solution.

我只是希望能够使用jQuery定位我的饼图(svg路径)切片，但我无法弄清楚如何向路径标签添加自定义ID-默认情况下，其中没有ID属性:

I would simply like to be able to target my pie chart (svg path) slices using jQuery, but I cannot figure out how to add custom id's to the path tags - there is no ID attribute in there by default:

<path fill="#764c29" stroke="none" d="M350,350L350.6911881148345,94.00093308961084A256,256,0,0,1,561.8463375189659,206.2741175716762Z" style="stroke-width: 1; stroke-linejoin: round;" stroke-width="1" stroke-linejoin="round"/>

理想的是:

<path **id="my_id"** fill="#764c29" stroke="none" d="M350,350L350.6911881148345,94.00093308961084A256,256,0,0,1,561.8463375189659,206.2741175716762Z" style="stroke-width: 1; stroke-linejoin: round;" stroke-width="1" stroke-linejoin="round"/>

有人知道如何实现吗?

这是我用来创建饼图的代码:

This is the code I'm using to create the pie chart:

window.onload = function () {
var r = Raphael("holder");


var pie = r.g.piechart(350, 350, 256, [56, 104, 158, 23, 15, 6]);

pie.hover(function () {
    this.sector.stop();
    this.sector.animate({scale: [1.1, 1.1, this.cx, this.cy]}, 500, "bounce");

    }, function () {
        this.sector.animate({scale: [1, 1, this.cx, this.cy]}, 500, "bounce");
    });               

};

基本上，我需要能够执行此操作的原因是，我可以创建一些单独的锚点触发器来执行上面显示的缩放动画.

Essentially, the reason I need to be able to do this, is so I can create some separate anchor triggers to perform the scale animations shown above.

任何帮助都将不胜感激.

Any help greatly appreciated.

推荐答案

饼图对象提供了三种到达其扇区的方法.

the piechart object provides 3 ways to reach their sectors.

1)每个功能

pie.each(function(sector, cover, i) {
 sector.attr({/*...*/}); //raphael
 $(sector.node).foo(); //jquery
});

2)系列对象(用于样式和变换)

2) series object (for styling and transforming)

var i = 0; // 0 = 56, 1 = 104, 2 = 158 …

//raphael way to hide the first sector
pie.series.items[i].attr({ opacity : 0 });  

//jquery way to hide the first sector
$(pie.series.items[i].node).hide(); 

其中i是您数据数组的索引

whereby i is the index of your data-array

演示: http://jsbin.com/eriqa5/2/edit

3)涵盖对象(用于鼠标和触摸事件)

3) covers object (for mouse and touch events)

//raphael way to hover the first sector
pie.covers.items[0].hover(...);

//jquery way to hover the first sector
$(pie.covers.items[0].node).hover(...);

演示: http://jsbin.com/eriqa5/4/edit

这篇关于Raphael JS Pie:向路径切片添加ID的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！