geobr (version 1.6)

read_urban_area: Download spatial data of urbanized areas in Brazil

Description

This function reads the official data on the urban footprint of Brazilian cities in the years 2005 and 2015. Original data were generated by the Institute of Geography and Statistics (IBGE) For more information about the methodology, see details at https://biblioteca.ibge.gov.br/visualizacao/livros/liv100639.pdf

Usage

read_urban_area(year = 2015, simplified = TRUE, showProgress = TRUE)

Arguments

year

A year number in YYYY format. Defaults to 2015

simplified

Logic FALSE or TRUE, indicating whether the function returns the data set with 'original' resolution or a data set with 'simplified' borders. Defaults to TRUE. For spatial analysis and statistics users should set simplified = FALSE. Borders have been simplified by removing vertices of borders using st_simplify{sf} preserving topology with a dTolerance of 100.

showProgress

Logical. Defaults to TRUE display progress bar

Value

An "sf" "data.frame" object

Examples

# NOT RUN {
 if (interactive()) {
# Read urban footprint of Brazilian cities in an specific year
d <- read_urban_area(year=2005)
} 
# }