问题描述
我正在 R 中处理几个凌乱的多边形数据集，分析它们的重叠。我一直在使用 st_make_valid() 和 st_buffer(.,0)，即使在操作之间也是如此，这使它在大部分时间都有效，但并非总是如此。有没有更好的方法来解决这个问题？
在下面的示例中，您可以看到一堆警告文本，因为数据集的这一部分有一个我无法弄清楚的错误。有人看到如何解决这个问题吗？或者 sf 还不够成熟，无法处理凌乱的多边形？我希望不要回到 ArcGIS。
数据：https://drive.google.com/file/d/1jyjd0PUwas2rr65U673ARO3ioWSzAxNS/view?usp=sharing
> library(sf)
> sf_extSoftVersion()
GEOS GDAL proj.4 GDAL_with_GEOS USE_PROJ_H PROJ
"3.9.0" "3.2.1" "7.2.1" "true" "true" "7.2.1"
> x <- readr::read_rds("test.rds")
> y <- st_difference(x)
CBR: result (after common-bits addition) is INVALID: Too few points in geometry component at or near point 524026.3165404615 6223127.0403868062 (524026.31654046149924 6223127.0403868062422)
<A>
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</A>
> all(st_is_valid(x))
[1] TRUE
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
如果你已经找到好的解决方法，欢迎将解决方案带上本链接一起发送给小编。
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