data frame containing at least columns 'Height' and 'Size'.
width
numeric specifying the width of the peak in bp.
keep.na
logical, TRUE keep empty markers.
Value
data.frame with new values.
Details
'Converts' a single height and size value to a plottable 0-height-0 triangle/peak value.
Makes 3 data points from each peak size for plotting a polygon representing a peak.
Factors in other columns might get converted to factor level.