sf2gvec: Write sf object directly to 'GRASS' vector utilising an...

In link2GI: Linking Geographic Information Systems, Remote Sensing and Other Command Line Tools

Write sf object directly to 'GRASS' vector utilising an existing or creating a new GRASS environment

Description

Write sf object directly to 'GRASS' vector utilising an existing or creating a new GRASS environment

Usage

sf2gvec(x, epsg, obj_name, gisdbase, location, gisdbase_exist = FALSE)

Arguments

x	sf object corresponding to the settings of the corresponding GRASS container
epsg	numeric epsg code
obj_name	name of GRASS layer
gisdbase	GRASS gisDbase folder
location	GRASS location name containing obj_name)
gisdbase_exist	logical switch if the GRASS gisdbase folder exist default is TRUE

Note

have a look at the sf capabilities to write direct to sqlite

Author(s)

Chris Reudenbach

Examples

run = FALSE
if (run) {
## example 
require(sf)
require(sp)
require(link2GI)
data(meuse)
meuse_sf = st_as_sf(meuse, 
                    coords = c('x', 'y'), 
                    crs = 28992, 
                    agr = 'constant')


# write data to GRASS and create gisdbase
sf2gvec(x = meuse_sf,
        obj_name = 'meuse_R-G',
        gisdbase = '~/temp3/',
        location = 'project1')

# read from existing GRASS          
gvec2sf(x = meuse_sf,
        obj_name = 'meuse_r_g',
        gisdbase = '~/temp3',       
        location = 'project1')

}

link2GI documentation built on Oct. 28, 2024, 5:06 p.m.