get_regular_polygon_grid {quadkeyr} | R Documentation |
Get regular QuadKey polygon grid derived from
the bounding box of the quadkey
column of a data.frame.
Description
This function estimates the bounding box of the QuadKeys given in the
quadkey
column and adds the rows needed to complete a regular grid.
For a detailed explanation on how to use this
and other similar quadkeyr
functions,
read the the vignette:
https://docs.ropensci.org/quadkeyr/articles/facebook_mobility_csvs_to_raster_files.html
Usage
get_regular_polygon_grid(data)
Arguments
data |
A data.frame with a |
Value
A list with three elements:
-
data
Ansf
POLYGON data.frame with all the QuadKeys within the bounding box of thequadkey
column of a data.frame. Only the columnsquadkey
,tileX
,tileY
andgeometry
are returned. -
num_rows
The number of columns of the regular grid. -
num_cols
The number of rows of the regular grid.
Examples
# Data File
path <- paste0(
system.file("extdata", package = "quadkeyr"),
"/cityA_2020_04_15_0000.csv"
)
data <- read.csv(path)
data <- format_fb_data(data)
get_regular_polygon_grid(data = data)
[Package quadkeyr version 0.1.0 Index]