Assign plot colors for each data point of genomic data except of link plot (link lines or ribbons). Users can define their own colors by appending a column with color names to plot data and give the column name as "PlotColor". Otherwise, default colors will be used.
This function is for internal use only.
A data frame with the first three columns as chromosome name, start and end position followed by data values for one or more samples.
Character vector of color names.
A vector of color names with length same as the rows of input data.