rsat_preview: Preview a 'records' or an 'rtoi' object

In rsat: Dealing with Multiplatform Satellite Images

Preview a records or an rtoi object

Description

Preview a records or an rtoi object

Usage

rsat_preview(x, n, ...)

## S4 method for signature 'rtoi,Date'
rsat_preview(x, n, lpos = c(3, 2, 1), add.layer = FALSE, verbose = FALSE, ...)

## S4 method for signature 'rtoi,missing'
rsat_preview(x, n, lpos = c(3, 2, 1), add.layer = FALSE, verbose = FALSE, ...)

## S4 method for signature 'records,Date'
rsat_preview(
  x,
  n,
  lpos = c(3, 2, 1),
  tmp_dir = file.path(tempdir()),
  add.layer = FALSE,
  verbose = FALSE,
  get.map = TRUE,
  ...
)

## S4 method for signature 'records,numeric'
rsat_preview(
  x,
  n,
  lpos = c(3, 2, 1),
  tmp_dir = file.path(tempdir()),
  add.layer = FALSE,
  verbose = FALSE,
  get.map = TRUE,
  ...
)

Arguments

x	a records or an rtoi object.
n	the date expressed as the temporal index in the time series.
...	additional arguments
lpos	vector argument. Defines the position of the red-green-blue layers to enable a false color visualization.
add.layer	logical argument. If TRUE, the function plots the image on an existing map.
verbose	logical argument. If TRUE, the function prints the running steps and warnings.
tmp_dir	character argument. The directory where preview images are located.
get.map	logical argument. If TRUE, the function return the leaflet map.

Value

nothing. Previews the region in the viewer.

Examples

## Not run: 
library(rsat)

# load example rtoi
file.copy(from=system.file("ex/Navarre",package="rsat"),
         to=tempdir(),
         recursive = TRUE)

navarre <- read_rtoi(file.path(tempdir(),"Navarre"))

set_credentials("username", "password")
set_database(file.path(tempdir(), "DATABASE"))

# by default the first date in rtoi is previewed
rsat_preview(navarre)


preview.dates <- dates(navarre)
# use add.layer to preview images of several days
rsat_preview(navarre,preview.dates[2],add.layer = TRUE)

# you can also preview records
rcrds <- records(navarre)
rsat_preview(rcrds, n = 1)

## End(Not run)

rsat documentation built on March 18, 2022, 5:40 p.m.