babel: Convert (x; y) coordinates to chaincoded coordinates

In Momocs: Morphometrics using R

Convert (x; y) coordinates to chaincoded coordinates

Description

Useful to convert (x; y) coordinates to chain-coded coordinates.

Usage

pix2chc(coo)

chc2pix(chc)

Arguments

coo	(x; y) coordinates passed as a matrix
chc	chain coordinates

Value

a matrix or a numeric

Note

Note this function will be deprecated from Momocs when Momacs and Momit will be fully operationnal.

References

Kuhl, F. P., & Giardina, C. R. (1982). Elliptic Fourier features of a closed contour. Computer Graphics and Image Processing, 18(3), 236-258.

See Also

chc2pix

Other import functions: import_Conte(), import_StereoMorph_curve1(), import_jpg1(), import_jpg(), import_tps(), import_txt()

Other import functions: import_Conte(), import_StereoMorph_curve1(), import_jpg1(), import_jpg(), import_tps(), import_txt()

Examples

pix2chc(shapes[1]) %T>% print %>% # from pix to chc
chc2pix()                         # and back

Momocs documentation built on Nov. 13, 2023, 5:07 p.m.