Basic functions to convert between xyz and their corresponding atom indices.

atom2xyz(num)
xyz2atom(xyz.ind)

Arguments

num

a numeric vector of atom indices.

xyz.ind

a numeric vector of xyz indices.

Value

A numeric vector of either xyz or atom indices.

References

Grant, B.J. et al. (2006) Bioinformatics 22, 2695--2696.

Author

Barry Grant

See also

atom.select, read.pdb

Examples

xyz.ind <- atom2xyz(c(1,10,15)) xyz2atom( xyz.ind )
#> [1] 1 10 15