我有一个简单的例子(SVG源代码),如下所示。带有id“rect2816”的path在d属性中描述:
m 140.53571,188.625 0,148.1875 273.9375,0 0,-148.1875 -273.9375,0 z
m 132.25,42.03125 c 3.64586,0.0236 7.47296,0.12361 11.5,0.28125 36.65941,1.43507 57.84375,15.88072 57.84375,32.84375 0,7.41614 -1.94981,21.58652 -13.28125,24.09375 -14.58711,3.2276 -40.46224,-5.35276 -53.125,6.625 -26.65285,25.21104 -48.00843,-19.04537 -57.875,-32.84375 -12.16196,-17.00847 0.24962,-31.35357 54.9375,-31 z
这里,第一行描述了父多边形,第二行描述了洞(如您所见)。但是我该如何以编程方式找到此洞?我正在使用Python。也许有一些库可以提供简单的解决方案?