P.backcolor: no visible global function definition for 'png'
P.backcolor: no visible global function definition for 'par'
P.backcolor: no visible global function definition for 'rgb'
P.backcolor: no visible global function definition for 'points'
P.backcolor: no visible global function definition for 'runif'
P.backcolor: no visible global function definition for 'dev.off'
P.bend01: no visible global function definition for 'pdf'
P.bend01: no visible global function definition for 'par'
P.bend01: no visible global function definition for 'dev.off'
P.bend03: no visible global function definition for 'pdf'
P.bend03: no visible global function definition for 'par'
P.bend03: no visible global function definition for 'dev.off'
P.bend04: no visible global function definition for 'pdf'
P.bend04: no visible global function definition for 'par'
P.bend04: no visible global function definition for 'dev.off'
P.bend05: no visible global function definition for 'pdf'
P.bend05: no visible global function definition for 'par'
P.bend05: no visible global function definition for 'dev.off'
P.butterflies01: no visible global function definition for 'pdf'
P.butterflies01: no visible global function definition for 'par'
P.butterflies01: no visible global function definition for 'dev.off'
P.butterflies02: no visible global function definition for 'pdf'
P.butterflies02: no visible global function definition for 'par'
P.butterflies02: no visible global function definition for 'dev.off'
P.chess: no visible global function definition for 'pdf'
P.chess: no visible global function definition for 'par'
P.chess: no visible global function definition for 'dev.off'
P.chess02: no visible global function definition for 'pdf'
P.chess02: no visible global function definition for 'par'
P.chess02: no visible global function definition for 'dev.off'
P.chess03: no visible global function definition for 'pdf'
P.chess03: no visible global function definition for 'par'
P.chess03: no visible global function definition for 'dev.off'
P.frontcolor: no visible global function definition for 'png'
P.frontcolor: no visible global function definition for 'par'
P.frontcolor: no visible global function definition for 'rgb'
P.frontcolor: no visible global function definition for 'dev.off'
P.hillscene01: no visible global function definition for 'pdf'
P.hillscene01: no visible global function definition for 'par'
P.hillscene01: no visible global function definition for 'dev.off'
P.mountscene01: no visible global function definition for 'pdf'
P.mountscene01: no visible global function definition for 'par'
P.mountscene01: no visible global function definition for 'dev.off'
P.mountscene02: no visible global function definition for 'pdf'
P.mountscene02: no visible global function definition for 'par'
P.mountscene02: no visible global function definition for 'dev.off'
P.mountscene03: no visible global function definition for 'pdf'
P.mountscene03: no visible global function definition for 'par'
P.mountscene03: no visible global function definition for 'dev.off'
P.mountscene04: no visible global function definition for 'pdf'
P.mountscene04: no visible global function definition for 'par'
P.mountscene04: no visible global function definition for 'points'
P.mountscene04: no visible global function definition for 'runif'
P.mountscene04: no visible global function definition for 'dev.off'
P.polyhull01: no visible global function definition for 'pdf'
P.polyhull01: no visible global function definition for 'par'
P.polyhull01: no visible global function definition for 'dev.off'
P.polysort01: no visible global function definition for 'pdf'
P.polysort01: no visible global function definition for 'par'
P.polysort01: no visible global function definition for 'dev.off'
P.polytile01: no visible global function definition for 'pdf'
P.polytile01: no visible global function definition for 'par'
P.polytile01: no visible global function definition for 'dev.off'
P.polytile02: no visible global function definition for 'pdf'
P.polytile02: no visible global function definition for 'par'
P.polytile02: no visible global function definition for 'dev.off'
P.polytile03: no visible global function definition for 'pdf'
P.polytile03: no visible global function definition for 'par'
P.polytile03: no visible global function definition for 'dev.off'
P.polytile04: no visible global function definition for 'pdf'
P.polytile04: no visible global function definition for 'par'
P.polytile04: no visible global function definition for 'dev.off'
P.polytile05: no visible global function definition for 'pdf'
P.polytile05: no visible global function definition for 'par'
P.polytile05: no visible global function definition for 'dev.off'
P.quadtile01: no visible global function definition for 'pdf'
P.quadtile01: no visible global function definition for 'par'
P.quadtile01: no visible global function definition for 'dev.off'
P.quadtile02: no visible global function definition for 'pdf'
P.quadtile02: no visible global function definition for 'par'
P.quadtile02: no visible global function definition for 'dev.off'
P.quadtile03: no visible global function definition for 'pdf'
P.quadtile03: no visible global function definition for 'par'
P.quadtile03: no visible global function definition for 'dev.off'
P.quadtile04: no visible global function definition for 'pdf'
P.quadtile04: no visible global function definition for 'par'
P.quadtile04: no visible global function definition for 'dev.off'
P.roads01: no visible global function definition for 'pdf'
P.roads01: no visible global function definition for 'par'
P.roads01: no visible global function definition for 'dev.off'
P.roads02: no visible global function definition for 'pdf'
P.roads02: no visible global function definition for 'par'
P.roads02: no visible global function definition for 'dev.off'
P.sticks01: no visible global function definition for 'pdf'
P.sticks01: no visible global function definition for 'par'
P.sticks01: no visible global function definition for 'dev.off'
P.sticks02: no visible global function definition for 'pdf'
P.sticks02: no visible global function definition for 'par'
P.sticks02: no visible global function definition for 'dev.off'
P.sticks03: no visible global function definition for 'pdf'
P.sticks03: no visible global function definition for 'par'
P.sticks03: no visible global function definition for 'dev.off'
P.sticks04: no visible global function definition for 'pdf'
P.sticks04: no visible global function definition for 'par'
P.sticks04: no visible global function definition for 'dev.off'
P.template: no visible global function definition for 'pdf'
P.template: no visible global function definition for 'par'
P.template: no visible global function definition for 'dev.off'
P.tree01: no visible global function definition for 'pdf'
P.tree01: no visible global function definition for 'par'
P.tree01: no visible global function definition for 'dev.off'
P.tree02: no visible global function definition for 'pdf'
P.tree02: no visible global function definition for 'par'
P.tree02: no visible global function definition for 'dev.off'
P.tree03: no visible global function definition for 'pdf'
P.tree03: no visible global function definition for 'par'
P.tree03: no visible global function definition for 'dev.off'
P.tritile01: no visible global function definition for 'pdf'
P.tritile01: no visible global function definition for 'par'
P.tritile01: no visible global function definition for 'dev.off'
P.tritile02: no visible global function definition for 'pdf'
P.tritile02: no visible global function definition for 'par'
P.tritile02: no visible global function definition for 'dev.off'
P.tritile03: no visible global function definition for 'pdf'
P.tritile03: no visible global function definition for 'par'
P.tritile03: no visible global function definition for 'dev.off'
P.wave01: no visible global function definition for 'pdf'
P.wave01: no visible global function definition for 'par'
P.wave01: no visible global function definition for 'dev.off'
P.wave02: no visible global function definition for 'pdf'
P.wave02: no visible global function definition for 'par'
P.wave02: no visible global function definition for 'dev.off'
P.wavescene01: no visible global function definition for 'pdf'
P.wavescene01: no visible global function definition for 'par'
P.wavescene01: no visible global function definition for 'dev.off'
P.wavescene02: no visible global function definition for 'pdf'
P.wavescene02: no visible global function definition for 'par'
P.wavescene02: no visible global function definition for 'dev.off'
P.wavescene03: no visible global function definition for 'pdf'
P.wavescene03: no visible global function definition for 'par'
P.wavescene03: no visible global function definition for 'dev.off'
bend: no visible global function definition for 'rnorm'
bend: no visible global function definition for 'runif'
bendplot: no visible global function definition for 'plot'
bendplotmultcol: no visible global function definition for 'colors'
bendplotmultcol: no visible global function definition for 'plot'
bendplotmultcol: no visible global function definition for 'lines'
bundle: no visible global function definition for 'runif'
bundle: no visible global function definition for 'segments'
butterflies: no visible global function definition for 'colors'
butterflies: no visible global function definition for 'runif'
butterfly: no visible global function definition for 'runif'
butterfly: no visible global function definition for 'polygon'
canvas: no visible global function definition for 'plot'
chessboard: no visible global function definition for 'runif'
chessboard: no visible global function definition for 'polygon'
hillscene: no visible global function definition for 'colors'
hillscene: no visible global function definition for 'runif'
hillscene: no visible global function definition for 'polygon'
mountain: no visible global function definition for 'smooth.spline'
mountain: no visible global function definition for 'polygon'
mountscene: no visible global function definition for 'runif'
mountscene: no visible global function definition for 'polygon'
polyhull: no visible global function definition for 'colors'
polyhull: no visible global function definition for 'rpois'
polyhull: no visible global function definition for 'runif'
polyhull: no visible global function definition for 'chull'
polyhull: no visible global function definition for 'polygon'
polysort: no visible global function definition for 'colors'
polysort: no visible global function definition for 'rpois'
polysort: no visible global function definition for 'polygon'
polysort: no visible global function definition for 'runif'
polytile: no visible global function definition for 'colors'
polytile: no visible global function definition for 'rpois'
polytile: no visible global function definition for 'polygon'
polytile: no visible global function definition for 'runif'
quadtile: no visible global function definition for 'colors'
quadtile: no visible global function definition for 'runif'
quadtile: no visible global function definition for 'plot'
quadtile: no visible global function definition for 'polygon'
quadtilebalance: no visible global function definition for 'colors'
quadtilebalance: no visible global function definition for 'runif'
quadtilebalance: no visible global function definition for 'plot'
quadtilebalance: no visible global function definition for 'polygon'
roads: no visible global function definition for 'runif'
roads: no visible global function definition for 'segments'
sticks: no visible global function definition for 'runif'
sticks: no visible global function definition for 'plot'
sticks: no visible global function definition for 'segments'
tree: no visible global function definition for 'runif'
treeColor: no visible global function definition for 'colors'
treeColor: no visible global function definition for 'runif'
tritile: no visible global function definition for 'colors'
tritile: no visible global function definition for 'polygon'
tritile: no visible global function definition for 'runif'
waves: no visible global function definition for 'colors'
waves: no visible global function definition for 'runif'
waves: no visible global function definition for 'lines'
waves01: no visible global function definition for 'colors'
waves01: no visible global function definition for 'runif'
waves01: no visible global function definition for 'lines'
waves02: no visible global function definition for 'colors'
waves02: no visible global function definition for 'runif'
waves02: no visible global function definition for 'lines'
Undefined global functions or variables:
  chull colors dev.off lines par pdf plot png points polygon rgb rnorm
  rpois runif segments smooth.spline
Consider adding
  importFrom("grDevices", "chull", "colors", "dev.off", "pdf", "png",
             "rgb")
  importFrom("graphics", "lines", "par", "plot", "points", "polygon",
             "segments")
  importFrom("stats", "rnorm", "rpois", "runif", "smooth.spline")
to your NAMESPACE file.