使用D3将文本/图像放在svg路径质心上

Question

我看了看，读了所有我可以吸的东西，但我仍然遇到这个质心的问题。这有点类似于我的另一个问题，但这更精确。

我需要将文字/图像放在这些区域的质心上：

svg数据已经在我的html文件中，格式如下：

所以我需要选择一个路径，并在d属性上使用质心函数，然后放置一个点/文本/图像等。

我已经附上了一个JSFiddle来查看所有地区，不介意这个类的ID。

<svg id="gamemap">
        <g>
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    </svg>

JSFiddle

希望找到解决方案。感谢