Momocs (version 1.2.9)

coo_dxy: Calculate abscissa and ordinate on a shape

Description

A simple wrapper to calculate dxi - dx1 and dyi - dx1.

Usage

coo_dxy(coo)

Arguments

coo

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

Value

a data.frame with two components dx and dy for single shapes or a list of such data.frames for Coo

See Also

Other coo_ utilities: coo_aligncalliper, coo_alignminradius, coo_alignxax, coo_align, coo_baseline, coo_bookstein, coo_boundingbox, coo_calliper, coo_centdist, coo_center, coo_centpos, coo_close, coo_down, coo_extract, coo_flipx, coo_force2close, coo_interpolate, coo_is_closed, coo_jitter, coo_left, coo_likely_clockwise, coo_nb, coo_perim, coo_range, coo_rev, coo_right, coo_rotatecenter, coo_rotate, coo_sample_prop, coo_samplerr, coo_sample, coo_scale, coo_shearx, coo_slice, coo_slidedirection, coo_slidegap, coo_slide, coo_smoothcurve, coo_smooth, coo_template, coo_trans, coo_trimbottom, coo_trimtop, coo_trim, coo_up, is_equallyspacedradii

Examples

# NOT RUN {
coo_dxy(coo_sample(bot[1], 12))

bot %>%
    slice(1:5) %>% coo_sample(12) %>%  # for readability and speed only
    coo_dxy()
# }