Perimeter of equal-area circle(vector data)

Calculate perimeter of equal-area circle

Usage

get_eac_perim(landscape, class_col = NULL, patch_col = NULL)

Arguments

landscape

the input landscape image,

class_col

the name of the class column of the input landscape

patch_col

the name of the id column of the input landscape

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

perimeter of equal-area circle

Examples

get_eac_perim(vector_patches, "class", "patch")
#> # A tibble: 40 × 5
#>    level class id    metric       value
#>    <chr> <chr> <chr> <chr>        <dbl>
#>  1 patch 1     11    circle_perim 18.1 
#>  2 patch 1     12    circle_perim 21.9 
#>  3 patch 1     13    circle_perim 15.9 
#>  4 patch 1     14    circle_perim  7.09
#>  5 patch 1     15    circle_perim  3.54
#>  6 patch 1     16    circle_perim  3.54
#>  7 patch 1     17    circle_perim  3.54
#>  8 patch 1     18    circle_perim  8.68
#>  9 patch 1     19    circle_perim  3.54
#> 10 patch 1     20    circle_perim  3.54
#> # ℹ 30 more rows