[R] functions st_transform and st_point

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Wed Mar 23 18:58:38 CET 2022

This is a good site for such searches:

Searching on "st_point" there says it's in the 'geotidy' package on github.

Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Wed, Mar 23, 2022 at 9:51 AM Nick Wray <nickmwray using gmail.com> wrote:
> Hello   I'm trying to work out ways of manipulating maps in R and have
> found various potentially useful starter sites, eg
> https://r-spatial.github.io/sf/reference/st_transform.html
> p1 = st_point(c(7,52))
> p2 = st_point(c(-30,20))
> sfc = st_sfc(p1, p2, crs = 4326)
> sfc
> st_transform(sfc, 3857)
> and
> https://rforjournalists.com/2021/04/10/how-to-plot-a-large-rural-area-using-ordnance-survey-data-in-r/
> But when I try to run the example code R tells me that it cannot find
> function "st_point" (or in  the other instance "st_transform")   I assumed
> that these functions were in some package, and searching I found "sf" and
> "lwgeom" suggested, but installing and loading these does not help.  Does
> anyone know where I can find the wherewithal to make these st_ functions
> work?
> Thanks Nick Wray
>         [[alternative HTML version deleted]]
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