Least-Cost Pedestrian Evacuation Modeling

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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