Momocs (version 1.2.9)

coo_circularity: Calculates the Haralick's circularity of a shape

Description

coo_circularity calculates the 'circularity measure'. Also called 'compactness' and 'shape factor' sometimes. coo_circularityharalick calculates Haralick's circularity which is less sensible to digitalization noise than coo_circularity. coo_circularitynorm calculates 'circularity', also called compactness and shape factor, but normalized to the unit circle.

Usage

coo_circularity(coo)
# S3 method for default
coo_circularity(coo)
# S3 method for Coo
coo_circularity(coo)
coo_circularityharalick(coo)
# S3 method for default
coo_circularityharalick(coo)
# S3 method for Coo
coo_circularityharalick(coo)
coo_circularitynorm(coo)
# S3 method for default
coo_circularitynorm(coo)
# S3 method for Coo
coo_circularitynorm(coo)

Arguments

coo

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

Value

numeric for single shapes, list for Coo of the corresponding circularity measurement.

See Also

Other coo_ descriptors: coo_angle_edge1, coo_angle_edges, coo_angle_tangent, coo_area, coo_boundingbox, coo_chull, coo_convexity, coo_eccentricity, coo_elongation, coo_length, coo_lw, coo_rectangularity, coo_rectilinearity, coo_solidity, coo_width

Examples

# NOT RUN {
# coo_circularity
bot[1] %>% coo_circularity()
bot %>%
    slice(1:5) %>% # for speed sake only
    coo_circularity

# coo_circularityharalick
bot[1] %>% coo_circularityharalick()
bot %>%
    slice(1:5) %>% # for speed sake only
    coo_circularityharalick

# coo_circularitynorm
bot[1] %>% coo_circularitynorm()
bot %>%
    slice(1:5) %>% # for speed sake only
    coo_circularitynorm
# }