Roughness index(vector data) — vm_l_rough

Calculate Roughness index (RI)

vm_l_rough_mn(landscape, n = 100)

Arguments

landscape: the input landscape image,
n: number of boundary points to generate

Value

the function returns tibble with the calculated values in column "value", this function returns also some important information such as level, class, patch id and metric name.

Details

to be added...

References

Basaraner, M., & Cetinkaya, S. (2017). Performance of shape indices and classification schemes for characterising perceptual shape complexity of building footprints in GIS. International Journal of Geographical Information Science, 31(10), 1952–1977. https://doi.org/10.1080/13658816.2017.1346257

Examples

vm_l_rough_mn(vector_landscape, n = 100)
#> Warning: number of items to replace is not a multiple of replacement length
#> Warning: number of items to replace is not a multiple of replacement length
#> Warning: number of items to replace is not a multiple of replacement length
#> # A tibble: 1 × 5
#>   level     class id    metric  value
#>   <chr>     <chr> <chr> <chr>   <dbl>
#> 1 landscape NA    NA    ri_mn  0.0887