Convexity(vector data) — vm_l_convex

Calculate convexity

vm_l_convex_mn(landscape)

Arguments

landscape: the input landscape image,

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

ratio between perimeter of convex hull and perimeter of polygon

References

Jiao, L., Liu, Y., & Li, H. (2012). Characterizing land-use classes in remote sensing imagery by shape metrics. ISPRS Journal of Photogrammetry and Remote Sensing, 72, 46–55. https://doi.org/10.1016/j.isprsjprs.2012.05.012

Examples

vm_l_convex_mn(vector_landscape)
#> # A tibble: 1 × 5
#>   level     class id    metric  value
#>   <chr>     <chr> <chr> <chr>   <dbl>
#> 1 landscape NA    NA    conv_mn 0.400