Package: quadkeyr 0.1.0

Florencia DAndrea

quadkeyr: Generate Raster Images from QuadKey-Identified Datasets

A set of functions of increasing complexity allows users to (1) convert QuadKey-identified datasets, based on 'Microsoft's Bing Maps Tile System', into Simple Features data frames, (2) transform Simple Features data frames into rasters, and (3) process multiple 'Meta' ('Facebook') QuadKey-identified human mobility files directly into raster files. For more details, see D’Andrea et al. (2024) <doi:10.21105/joss.06500>.

Authors:Florencia D'Andrea [aut, cre], Pilar Fernandez [aut], Maria Paula Caldas [rev], Vincent van Hees [rev], Andrew Pulsipher [ctb], CDC's Center for Forecasting and Outbreak Analytics [fnd], MIDAS-NIH COVID-19 urgent grant program [fnd], Paul G. Allen School for Global Health, Washington State University [cph]

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quadkeyr.pdf |quadkeyr.html✨
quadkeyr/json (API)
NEWS

# Install 'quadkeyr' in R:
install.packages('quadkeyr', repos = c('https://packages.ropensci.org', 'https://cloud.r-project.org'))

Reviews:rOpenSci Software Review #619

Bug tracker:https://github.com/ropensci/quadkeyr/issues

Pkgdown site:https://docs.ropensci.org

On CRAN:

Conda:

geospatialquadkeyrastertilemap

6.03 score 12 stars 7 scripts 9 downloads 26 exports 65 dependencies

Last updated 10 days agofrom:07cc343b2d (on main). Checks:9 OK. Indexed: yes.

TargetResultLatest binary
Doc / VignettesOKMar 25 2025
R-4.5-winOKMar 25 2025
R-4.5-macOKMar 25 2025
R-4.5-linuxOKMar 25 2025
R-4.4-winOKMar 25 2025
R-4.4-macOKMar 25 2025
R-4.4-linuxOKMar 25 2025
R-4.3-winOKMar 25 2025
R-4.3-macOKMar 25 2025

Exports:add_regular_polygon_gridapply_weekly_lagcreate_qk_gridcreate_stars_rasterformat_fb_dataget_qk_coordget_regular_polygon_gridgrid_to_polygonground_reslatlong_to_pixelXYlatlong_to_quadkeymapscalemapsizemissing_combinationspixelXY_to_latlongpixelXY_to_tileXYpolygon_to_rasterqkmap_appquadkey_df_to_polygonquadkey_to_latlongquadkey_to_polygonquadkey_to_tileXYread_fb_mobility_filesregular_qk_gridtileXY_to_pixelXYtileXY_to_quadkey

Dependencies:abindbase64encbitbit64bslibcachemclassclassIntclicliprcommonmarkcpp11crayonDBIdigestdplyre1071fansifastmapfontawesomefsgenericsgluehmshtmltoolshttpuvjquerylibjsonliteKernSmoothlaterlifecyclelubridatemagrittrMASSmemoisemimepillarpkgconfigprettyunitsprogresspromisesproxypurrrR6rappdirsRcppreadrrlangs2sasssfshinysourcetoolsstarstibbletidyselecttimechangetzdbunitsutf8vctrsvroomwithrwkxtable

quadkeyr

Rendered fromquadkeyr.Rmdusingknitr::rmarkdownon Mar 25 2025.

Last update: 2025-03-17
Started: 2025-03-17

Readme and manuals

Help Manual

Help pageTopics
Add the rows needed to complete a regular QuadKey polygon grid derived from the bounding box of the 'quadkey' column of a data.frame.add_regular_polygon_grid
Apply a 7 day lag to the variable 'n_crisis'apply_weekly_lag
Create grid of QuadKeys for a particular zoom or level of detail.create_qk_grid
Create a 'stars' rastercreate_stars_raster
Format the Facebook mobility dataformat_fb_data
Get lat/long coordinates from the QuadKeyget_qk_coord
Get regular QuadKey polygon grid derived from the bounding box of the 'quadkey' column of a data.frame.get_regular_polygon_grid
Convert a grid of QuadKeys to square polygonsgrid_to_polygon
Ground resolution at a specified latitude and zoom levelground_res
Convert lat/long coordinates to pixel XY coordinateslatlong_to_pixelXY
Convert latitude/longitude coordinates into QuadKeyslatlong_to_quadkey
Map scale (1 : N)mapscale
Map size in pixelsmapsize
Detect dates and hours missing in filenamesmissing_combinations
Convert pixel XY coordinatess into lat/long coordinates.pixelXY_to_latlong
Convert pixel XY coordinates into tile XY coordinatespixelXY_to_tileXY
Create and save raster images for different dates and timespolygon_to_raster
Launch the Shiny Appqkmap_app
Convert data.frame with 'quadkey' column to a 'sf' POLYGON data.framequadkey_df_to_polygon
Convert a string of Quadkey numbers to lat/long coordinatesquadkey_to_latlong
Convert a QuadKey into a square polygonquadkey_to_polygon
Convert a QuadKey into tile XY coordinates.quadkey_to_tileXY
Read all the .csv files in a folder and format the data.read_fb_mobility_files
Convert a incomplete QuadKey 'sf' POINT data.frame into a regular grid.regular_qk_grid
Convert tile XY coordinates into pixel XY coordinatestileXY_to_pixelXY
Convert tile XY coordinates into a QuadKey.tileXY_to_quadkey