.packageName <- "mgu74av2cdf"
xy2i = function(x,y) {y*640+x+1}
i2xy = function(i) {r=cbind((i-1)%%640,(i-1)%/%640); colnames(r)=c('x','y'); return(r)}
.First.lib <- function(libname, pkgname){
      path = .path.package(pkgname)
      where <- as.environment(match(paste("package:", pkgname, sep = ""),search()))
      data(list="mgu74av2cdf", package=pkgname, envir = where)
}
