A pleasing rainbow style color table patterned after that used in Matlab.
is the number of color levels (default = 64).
Based on the
tim.colors function in the
fields package. The
tim.colors function here has been
modified to break any dependence on code in the fields package.
Spline interpolation (
interpSpline) is used when the number of
requested colors is not the default.
A vector of character strings giving the colors in hexadecimal format.
Tim Hoar (GSP-NCAR); modified by B. Whitcher