Description Usage Arguments Details Aesthetics Computed variables Author(s) References Examples
This geom allows you to draw the line_clip curve. A line_clip is a curve traced by a point attached to a circle of radius r_min rolling around the outside of a fixed circle of radius r_max, where the point is at a distance h from the center of the interior circle. h is the same as r_min by default.
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mapping 
Set of aesthetic mappings created by 
data 
The data to be displayed in this layer. There are three options: If A A 
geom 
The geometric object to use display the data 
position 
Position adjustment, either as a string, or the result of a call to a position adjustment function. 
clip_length 
Length of the clipped hole 
show.legend 
logical. Should this layer be included in the legends?

inherit.aes 
If 
... 
Other arguments passed on to 
stat 
The statistical transformation to use on the data for this layer, as a string. 
To unscale the curve, please set xscale and yscale to r_max + r_min + h.
The curve follows the the parameterized form
x = (r_max + r_min) cos(θ)  h * cos(\frac{r_max + r_min}{r_min} θ)
x = (r_max + r_min) sin(θ)  h * sin(\frac{r_max + r_min}{r_min} θ)
these curves are closed when the radion a / b is rational. delta have been scaled to be in the interval [0, 1].
geom_arc understand the following aesthetics (required aesthetics are in bold):
 **r_max**  **r_min**  h  x0  y0  xscale  yscale  rotation  color  fill  size  linetype  alpha  lineend
The coordinates for the points along the rose curve
Emil Hvitfeldt
http://mathworld.wolfram.com/line_clip.html http://xahlee.info/SpecialPlaneCurves_dir/line_clip_dir/line_clip.html
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