Interpolates IntensityTier contour in given time instances.
Usage
it.interpolate(it, t)
Arguments
it
IntensityTier object
t
vector of time instances of interest
Value
IntensityTier object
Details
a) If t < min(it$t) (or t > max(it$t)), returns the first (or the last) value of it$i.
b) If t is existing point in it$t, returns the respective it$f.
c) If t is between two existing points, returns linear interpolation of these two points.