Description Usage Arguments Value See Also Examples
Calculate visibility for given points in a given area.
1 |
r |
A DEM raster |
shape |
A SimpĆ¼le Feature Polygon of the windfarm area |
turbine_locs |
Coordinates or SpatialPoint representing the wind turbines |
h1 |
A numeric or numeric vector giving the extra height offsets for Point 1 |
h2 |
A numeric giving the extra height offset for Point 2 |
plot |
Plot the process? Default is |
... |
Additional arguments passed to the raster plot |
A list of 5, containing the boolean result for every cell, the raster cell points, a SimpleFeature Polygon of the given area and the DEM raster
Other Viewshed Analysis:
cansee()
,
interpol_view()
,
plot_viewshed()
,
rasterprofile()
,
viewTo()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ## Not run:
library(sf)
Polygon1 <- sf::st_as_sf(sf::st_sfc(
sf::st_polygon(list(cbind(
c(4496482, 4496482, 4499991, 4499991, 4496482),
c(2666272, 2669343, 2669343, 2666272, 2666272)))),
crs = 3035
))
DEM_meter <- getDEM(Polygon1)
turbloc = st_sample(DEM_meter[[2]], 10, type = "random");
res <- viewshed(r = DEM_meter[[1]], shape=DEM_meter[[2]],
turbine_locs = turbloc[1:3,],
h1 = sample(c(20:40), 3, TRUE),
h2 = 50, plot = TRUE)
## End(Not run)
|
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