search for: multipolygon

Displaying 2 results from an estimated 2 matches for "multipolygon".

2008 Dec 15
1
convert opengis wkt to geometry?
...t), I didn't check see if there is already something available to convert WKT strings into some R package geometry (sp?). Does anyone have any advice, hints, code (?) for converting the following OpenGIS strings into something useful in R: POINT MULTIPOINT LINESTRING MULTILINESTRING POLYGON MULTIPOLYGON GEOMETRYCOLLECTION Jeff.
2024 May 17
0
[External] Re: Removing polygons from shapefile of Scotland and Islands
Scotland is the second feature in the UK data, so get it and split this one MULTIPOLYGON feature into individual POLYGONS scot = st_cast(the_uk$geometry[2],"POLYGON") # which is the largest polygon? which.max(st_area(scot)) [1] 1 # the first one. ok... plot(scot[[1]]) # mainland # add the rest of the islands for context, in grey, maybe to show they're outside our stu...