source
  survey a
    centreline
      fix 1  0.00 0.0 0.0
      fix 2  5.00 0.0 0.0
      fix 3  9.33 2.5 0.0
      fix 4 14.33 2.5 0.0

      data nosurvey from to
      1 2
      2 3
      3 4
    endcentreline
  endsurvey
endsource

export database -o database.csv
