Cartesianxy2Polarxy     Transform the x, y positions from a Cartesian
                        coordinate to a polar coordinate
active                  Modify the 'active' component
g_getLocations          get locations for 'ggmatrix'
g_getPlots              get 'ggplot's
get_activeGeomLayers    active geom layers
get_scaledData          scale data
gg_pipe                 Pipe ggplot object
ggplot2loon             'ggplot' to 'loon'
hover                   Modify the 'hover' component
interactivity           Modify the 'interactivity' component
is.CoordPolar           Is polar coordinate system?
is.l_ggplot             Reports whether x is a 'l_ggplot' object
l_getSubtitles          Return the subtitles
l_ggplot                Automatically create a loon widget
layout_coords           layout matrix
linking                 Modify the 'linking' component
loon.ggplot             loon.ggplot
loon2ggplot.l_compound
                        Turn a 'loon' widget to a 'ggplot' object
loonLayer               Transform geom layers to loon layers
print.l_ggplot          Explicitly draw plot
scaleBox                Box scaling in 3D rotation
scale_multi             Position scales for continuous data (x, y & z)
selection               Modify the 'selected' component
zoom                    Zoom Plot Region
