This model tests window overhang and side fins. There are four
instances of sha. The first instance models an
overhang only, the second models side fins and an overhang, the
third models side fins only and the fourth has neither an overhang
nor a side fin.
lat because the latitude is now
obtained from the weather data bus.redeclare statement for
conPar.layer.wL and wR for overhang
and h for window, to be measured from the corner of
the window.