Nothing
atom2mass <- function(...)
UseMethod("atom2mass")
atom2mass.default <- function(x, mass.custom=NULL, elety.custom=NULL,
grpby=NULL, rescue=TRUE, ...){
if(!is.null(mass.custom)) {
if(!all(c("symb","mass") %in% names(mass.custom)))
stop("'mass.custom' must contains 'symb' and 'mass' components")
inds <- unlist(lapply(mass.custom, is.factor))
mass.custom[inds] <- lapply(mass.custom[inds], as.character)
}
elements <- rbind(mass.custom[,c("symb","mass")], elements[,c("symb","mass")])
symb <- atom2ele.default(x, elety.custom, rescue, ...)
M <- elements[match(symb, elements[,"symb"]), "mass"]
if(any(is.na(M)))
stop(paste("\n\tatom2mass: mass of element '", symb[is.na(M)], "' unknown", sep=""))
if(!is.null(grpby)) {
if(length(grpby) != length(M))
warning("'grpby' as been recycled")
M <- unlist(lapply(split(M, grpby), sum))
}
return(M)
}
atom2mass.pdb <- function(pdb, inds=NULL, mass.custom=NULL, elety.custom=NULL,
grpby=NULL, rescue=TRUE, ...){
if(!is.null(inds))
pdb <- trim.pdb(pdb, inds)
atom.names <- pdb$atom[,"elety"]
M <- atom2mass.default(atom.names, mass.custom, elety.custom, grpby, rescue, ...)
return(M)
}
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