.colorselection: no visible global function definition for 'col2rgb'
.colorselection: no visible global function definition for 'rainbow'
.lbar: no visible global function definition for 'rainbow'
.lbar: no visible global function definition for 'col2rgb'
.lbar : <anonymous>: no visible global function definition for
  'col2rgb'
.lbar: no visible global function definition for 'rgb'
.lcloud: no visible global function definition for 'rainbow'
.lcloud: no visible global function definition for 'xyz.coords'
.lcloud: no visible global function definition for 'col2rgb'
.lcloud: no visible global function definition for 'rgb'
.lg3dtext: no visible global function definition for 'col2rgb'
.lmesh: no visible global function definition for 'col2rgb'
.lmesh: no visible global function definition for 'rgb'
.vbar: no visible global function definition for 'rainbow'
.vbar: no visible global function definition for 'col2rgb'
.vbar : <anonymous>: no visible global function definition for
  'col2rgb'
.vcloud: no visible global function definition for 'rainbow'
.vcloud: no visible global function definition for 'xyz.coords'
.vcloud: no visible global function definition for 'col2rgb'
.vdensecalc: no visible global function definition for 'topo.colors'
.vdensecalc: no visible global function definition for 'quantile'
.vdensecalc: no visible global function definition for 'contour3d'
.vdensecalc: no visible global function definition for 'col2rgb'
.vmesh: no visible global function definition for 'xyz.coords'
.vmesh: no visible global function definition for 'col2rgb'
.vmesh: no visible global function definition for 'rainbow'
.vmesh : <anonymous>: no visible global function definition for
  'col2rgb'
.vrmltext: no visible global function definition for 'col2rgb'
axis3d: no visible global function definition for 'col2rgb'
bar3d: no visible global function definition for 'rainbow'
cloud3d: no visible binding for global variable 'data'
cloud3d: no visible global function definition for 'rainbow'
lg3d.close: no visible global function definition for 'col2rgb'
lg3d.close: no visible global function definition for 'rgb'
lines3d: no visible global function definition for 'xyz.coords'
lines3d: no visible global function definition for 'col2rgb'
points3d: no visible global function definition for 'xyz.coords'
points3d: no visible global function definition for 'col2rgb'
text3d: no visible global function definition for 'xyz.coords'
vrml.open: no visible global function definition for 'col2rgb'
Undefined global functions or variables:
  col2rgb contour3d data quantile rainbow rgb topo.colors xyz.coords
Consider adding
  importFrom("grDevices", "col2rgb", "rainbow", "rgb", "topo.colors",
             "xyz.coords")
  importFrom("stats", "quantile")
  importFrom("utils", "data")
to your NAMESPACE file.