cst10 | R Documentation |
Antartica features and coastline, with somewhat spurious precision.
cst10
An object of class SpatialPolygonsDataFrame
with 372 rows and 2 columns.
In sp format. Interesting for exploring precision issues with DEL0() see issue 7.
p <- PATH0(cst10) # DEL0(p) ## fails as does DEL0(cst10) # fails at 14 and crashes R in DEL0() in R version 4.0.0 RC (2020-04-17 r78247) on # windows p$vertex$x_ <- signif(p$vertex$x_, 13) p$vertex$y_ <- signif(p$vertex$y_, 13) DEL0(p) ## compare 14993 unique vertices after rounding to silicate::sc_vertex(p) ## 21875 silicate::sc_vertex(cst10) ## 21875
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