R/expandbound.R

In GEOmap: Topographic and Geologic Mapping

Defines functions expandbound

Documented in expandbound

expandbound<-function(g, pct=.10)
  {
    ###  expand the bounds of a vector range by a specified percent
    r = range(g)
    dg = pct*diff(r)
    
    return(c(r[1]-dg, r[2]+dg)) 
  }

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