coo_extract: Extract coordinates from a shape

Description Usage Arguments Details Value See Also Examples

View source: R/coo-utilities.R

Description

Extract ids coordinates from a single shape or a Coo object.

Usage

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coo_extract(coo, ids)

Arguments

coo

either a matrix of (x; y) coordinates or a Coo object.

ids

integer, the ids of points to sample.

Details

It probably only make sense for Coo objects with the same number of coordinates and them being homologous, typically on Ldk.

Value

a matrix of (x; y) coordinates, or a Coo object.

See Also

Other sampling functions: coo_interpolate, coo_samplerr, coo_sample

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_chull_onion, coo_close, coo_down, coo_dxy, coo_flipx, coo_force2close, coo_interpolate, coo_jitter, coo_left, coo_nb, coo_perimcum, coo_perimpts, coo_perim, coo_rev, coo_right, coo_rotatecenter, coo_rotate, coo_samplerr, coo_sample, coo_scalex, 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_clockwise, is_closed, is_equallyspacedradii

Examples

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b <- bot[1]
stack(bot)
stack(coo_sample(bot, 24))
coo_plot(b)
coo_plot(coo_sample(b, 24))
coo_extract(bot[1], c(3, 9, 12)) # or :
bot[1] %>% coo_extract(c(3, 9, 12))

coo_extract(bot, c(3, 5, 7))

Momocs documentation built on Sept. 28, 2017, 9:04 a.m.