Returns the number of physical detail columns (not counting
the label column), given a maximum. Delegated to Section 29.3, “Row.nPhysCols(): How many physical
columns?”.
# - - - C b c H i s t . n P h y s C o l s
def nPhysCols(self, maxPhysCols):
'''How many physical detail columns, given a maximum?
'''
return self.keyRow.nPhysCols(maxPhysCols)