visualize_viewshed {viewscape}

visualize_viewshed

Description

The visualize_viewshed function is designed for the visualization of a viewshed analysis, providing users with various options for visualizing the results. The function works with a viewshed object and offers multiple plotting and output types.

Usage

visualize_viewshed(viewshed, plottype = "", outputtype = "")

Arguments

viewshed

Viewshed object

plottype

Character, specifying the type of visualization ("polygon" or "raster").

outputtype

Character, specifying the type of output object ("raster" or "polygon").

Value

Visualized viewshed as either a raster or polygon object, depending on the outputtype specified.

Examples

# Load a viewpoint
test_viewpoint <- sf::read_sf(system.file("test_viewpoint.shp", package = "viewscape"))
# load dsm raster
dsm <- terra::rast(system.file("test_dsm.tif", package ="viewscape"))
#Compute viewshed
viewshed <- compute_viewshed(dsm = dsm,
                             viewpoints = test_viewpoint,
                             offset_viewpoint = 6)
# Visualize the viewshed as polygons
visualize_viewshed(viewshed, plottype = "polygon")
# Visualize the viewshed as a raster
visualize_viewshed(viewshed, plottype = "raster")
# Get the visualized viewshed as a polygon object
polygon_viewshed <- visualize_viewshed(viewshed,
                                       plottype = "polygon",
                                       outputtype = "polygon")