A spatial dataset containing travel time isochrone polygons for 77 hospitals in
Thailand's Region 12. This vector format provides the original isochrone bands
from which hos_iscr was derived.
Format
An sf object with 2027 features and 5 fields:
- id
Numeric ID for each isochrone band
- isomin
Minimum travel time in minutes for the band
- isomax
Maximum travel time in minutes for the band
- location_id
Hospital identifier matching
hc12_hos- iso_mean
Mean travel time for the band ((isomin + isomax)/2)
- geometry
MULTIPOLYGON geometry in UTM zone 47N
Source
Computed using OSRM with OpenStreetMap data.
Hospital locations from hc12_hos.
Details
This vector dataset is provided to demonstrate the isochrone generation process
and conversion to raster format. The raster version (hos_iscr) is
recommended for accessibility analysis within the spax package.