A GeoTIFF containing travel time isochrones for primary health centers in Thailand's Health Region 12. The data is stored in `inst/extdata` and should be loaded with `read_spax_example("phc_iscr.tif")`.
Format
A multi-layer GeoTIFF file. Each layer represents travel time to one primary health center, with layer names restored from the companion `phc_iscr_names.rds` file.
Source
Computed using OSRM with OpenStreetMap data.
Primary health center locations from hc12_phc.
Examples
if (FALSE) { # \dontrun{
phc_iscr <- read_spax_example("phc_iscr.tif")
plot(phc_iscr[[1]], main = "Travel Time to First PHC (minutes)")
} # }