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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