Error(s) in re-building vignettes:
--- re-building 'RadOnc.Rnw' using Sweave
Loading required package: oro.dicom
oro.dicom 0.5.3
Loading required package: ptinpoly
Loading required package: misc3d
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1063 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1076 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2108 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2121 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 3153 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1170 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2322 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 3474 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 4626 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 5778 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1170 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2322 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 3474 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 4626 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 5778 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1063 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 1076 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2108 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 2121 is invalid UTF-8
Warning in grep("^Structure: ", data, perl = TRUE) :
  input string 3153 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 5 is invalid UTF-8
Warning in grep("^Structure.*: ", data, ignore.case = TRUE, perl = TRUE) :
  input string 18 is invalid UTF-8
Warning in FUN(X[[i]], ...) :
  Invalid DVH file format, could not extract structure volume information

Error: processing vignette 'RadOnc.Rnw' failed with diagnostics:
 chunk 13 
Error in .local(x, i, ..., value) : 
  'value' must be an object of class 'DVH' or 'zDVH'

--- failed re-building 'RadOnc.Rnw'

SUMMARY: processing the following file failed:
  'RadOnc.Rnw'

Error: Vignette re-building failed.
Execution halted