SVGポリゴンの塗りつぶしがテキストラベルを隠す

Question

何らかの理由で、ポリゴンに白い塗りを追加すると、テキスト要素が表示されません。私はz-indexを使ってテキストラベルを上に持ってきた。テキストエレメントは黒です。多角形を塗りつぶしなしに設定すると、テキストラベルが表示されます。

（当初発行して）私のフィドル： https://jsfiddle.net/omarel/qznxd4vo/1/

UPDATE：右下の回答に基づいて、これは更新作業フィドルです：https://jsfiddle.net/omarel/qznxd4vo/5/

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Answer 1

単にポリゴン上のテキスト要素を移動"units"および"labels"グループの順序を逆にすることによって、次のようになります。

https://jsfiddle.net/mh946reL/

部屋が強調表示されているときにテキストが背景で消えないように、テキストの色を変更することができます。