Convert <path> arc to a data.frame of coordinates

Reference https://svgwg.org/svg2-draft/implnote.html#ArcConversionEndpointToCenter

arc_to_df(params, npoints)

Arguments

params

named list of arc parameters from the path segment i.e. xo, y0, x, y, arcflag, sweepflag, rx, ry, rot (degrees)

npoints

number of points along arc

Value

data.frame of coodinates of arc

Details

ToDo: actual rotation of arc coords by 'phi'