when I excuted below commandline:
mkpmap -apc cmap.cmp 1m -apo DoubleGlazed_TimberFrame -t 5 outdoordaylight2.oct
A error message was received,which is “fatal - zero flux from light sources”.
The definition of DoubleGlazed_TimberFrame is shown as following:
void glass DoubleGlazed_TimberFrame
0
0
3 0.635 0.705 0.705