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Calculates the rectangularity of a shape

Usage

coo_rectangularity(coo)

Source

Rosin PL. 2005. Computing global shape measures. Handbook of Pattern Recognition and Computer Vision. 177-196.

Arguments

coo

a matrix of (x; y) coordinates or any Coo

Value

numeric for a single shape, list for Coo

Examples

coo_rectangularity(bot[1])
#> [1] 0.7753614

bot %>%
    slice(1:3) %>% # for speed sake only
    coo_rectangularity
#> $brahma
#> [1] 0.7753614
#> 
#> $caney
#> [1] 0.7772434
#> 
#> $chimay
#> [1] 0.7695281
#>