Don't know, but ask on r-sig-geo if you don't get a satisfactory reply
here.
Bert
On Thu, Jul 4, 2019, 4:04 AM Ashim Kapoor <ashimkap...@gmail.com> wrote:
> Dear All,
>
> map3 <- st_read("My Shapefile") %>% st_as_sf %>% st_transform(crs = 7755)
> # Please see any shapefile here :
> https://github.com/datameet/maps/tree/master/Districts
>
> map_buffer <- st_buffer(mapHR, dist = -1000)
> # CRS 7755 is for India, please see here, https://epsg.io/7755
>
> My query is : The unit for distance is meters ?
> On this page : https://epsg.io/7755,it says unit is metre.
>
> On this page :
> https://www.rdocumentation.org/packages/sf/versions/0.7-4/topics/geos_unary
> it says :
> dist numeric; buffer distance for all, or for each of the elements in x; in
> case dist is a units object, it should be convertible to arc_degree if x
> has geographic coordinates, and to st_crs(x)$units otherwise
>
> I just want to be sure that, I am using a distance of 1 kilo metre ( 1000
> metres) . Can someone please confirm ?
>
> Thank you,
> Ashim
>
> [[alternative HTML version deleted]]
>
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