'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
Found the following files/directories:
  ‘ans_19-2.jpg’ ‘display2d_19-2.jpg’ ‘dist(3)_19-2.jpg’
  ‘dist(4)_19-2.jpg’ ‘dist(mirror)_19-2.jpg’ ‘dist(mirror2)_19-2.jpg’
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
'LazyData' is specified without a 'data' directory
Found the following significant warnings:

  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.clear' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
  Warning: 'rgl.light' is deprecated.
  Warning: 'rgl.viewpoint' is deprecated.
Deprecated functions may be defunct as soon as of the next release of
R.
See ?Deprecated.