prTpGetBoxPropClr: Gets the color for the given box
Description
Gets the color for the given box
Usage
prTpGetBoxPropClr(clr, no_boxes, lengthOneOK = FALSE)
Arguments
clr
The color of the boxes, either
a matrix, a vector of length two, or a single color
lengthOneOK
If it is ok to have only one color
Value
matrix
With two columns and no_boxes rows.
If function fails then return NULL