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'
bendplotmultcol: no visible global function definition for 'colors'
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'
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 'polygon'
quadtilebalance: no visible global function definition for 'colors'
quadtilebalance: no visible global function definition for 'runif'
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 '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 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", "points", "polygon", "segments")
  importFrom("stats", "rnorm", "rpois", "runif", "smooth.spline")
to your NAMESPACE file.