An example handler just for testing and development
Usage
sine.handler(xmin = 0, xmax = 3 * pi, n = 100)
Arguments
xmin
Numeric. Minimum x value to plot
xmax
Numeric. Maximum x value to plot
n
Integer. Number of points to plot
Value
data.frame
Details
This handler takes three parameters, xmin, xmax and n,
makes a plot of the sin curve from xmin to xmax (using
n equally spaced points), and returns a data.frame
with the x and y coordinates, with IDs A-Z, A.1-Z.1, ...