def addToZoneTable(point, shape):
 zoneIndexFloat = (point.z / shape.zoneInterval)
 shape.zZoneTable[math.floor(zoneIndexFloat)] = None
 shape.zZoneTable[math.ceil(zoneIndexFloat)] = None

def addToZoneTable ( point , shape ) : zoneIndexFloat = ( point . z / shape . zoneInterval ) shape . zZoneTable [ math . floor ( zoneIndexFloat ) ] = None shape . zZoneTable [ math . ceil ( zoneIndexFloat ) ] = None
add point to the zone table .