# Least-Cost Pedestrian Evacuation Modeling

## Documentation for package ‘evacpath’ version 0.1.0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package NEWS
- Package README

## Help Pages

evacpath-package | evacpath: Least-cost pedestrian evacuation modeling in R
calculate_lc_path | Calculate a least-cost path between one origin and one destination
calculate_min_dist | Calculate the minimum path distance from a list of least-cost paths
calc_evac_time | Convert distance to evacuation time
calc_min_distance_to_safety | Calculate minimum least-cost distance from origins to safety
clean_roads | Clean a road/pathway network
crop_roads_to_inner_extent | Crop roads to an inset extent before escape-point detection
evacpath | evacpath: Least-cost pedestrian evacuation modeling in R
find_escape_points | Identify escape/safety points where roads cross the hazard-zone boundary
interpolate_distance_surface | Interpolate a distance surface from least-cost distance points
make_conductance_surface | Create a slope-based conductance surface
make_evac_grid | Create an evacuation grid
make_evac_polygons | Create evacuation-distance and evacuation-time polygons
make_output_clip_area | Make an output clip area for evacuation polygons
make_region_area | Create a broader analysis region around a study area
make_roads_in_zone | Create a buffered road area inside an inundation or analysis zone
make_road_aware_escape_zone | Add buffered road corridors to an escape-boundary zone
make_road_mask | Create a road-constrained analysis mask
make_road_origins | Create road-based origin points inside the evacuation zone
prepare_evac_inputs | Read and project the core evacuation inputs
prepare_hazard_zone | Prepare a hazard zone from an inundation raster
prepare_tsunami_zones | Prepare separate tsunami zones for escape analysis and visualization
read_spatial | Read a spatial input
run_evacpath | Run the full evacuation-path modeling workflow
write_evac_outputs | Write evacpath outputs to disk