build_pt_asset: build pt asset

In robitalec/toast: Very Dry

Description

Build an Earth Engine asset from a data.table of locs.

Usage

build_pt_asset(DT, out, projection, id = "id", coords = c("X", "Y"),
  extra = NULL, overwrite = FALSE)

Arguments

DT	data.table
out	pathname of output shapefile folder. Includes location of the output folder but does not matter if that folder exists. The last portion of the pathname will be used for the layer name e.g.: 'path/to/caribou' layer name = 'caribou'
projection	character string indicating projection
id	point id column name
coords	coordinates column name for X and Y as character vector
extra	columns preserved in output asset
overwrite	boolean passed to option overwrite_layer in writeOGR

Examples

# Load data.table
library(data.table)

# Read example data
DT <- fread(system.file("extdata", "DT.csv", package = "toast"))


# Set string of project
utm21N <- '+proj=utm +zone=21 ellps=WGS84'

# Setnames to build_pt_asset defaults
data.table::setnames(DT, 'ID', 'id')

# Write out shapefile and zip for EE
# (not run)
# build_pt_asset(DT, 'data/derived-data/48hr-caribou', utm21N)

robitalec/toast documentation built on May 17, 2019, 3:14 a.m.