This shot below is a closer look at the large dark cloud on the left side behind the future Burnside Wharf area. The dark cloud works in this area for two reasons. First, the room lighting falls off a bit as you approach the frame of the door. So the dark cloud there "explains" why the the lighting is less. Secondly, the door frame acts as a picture frame, cutting off the large cloud and avoiding the extreme expansion of the cloud as the perspective lines diverge.
I plan do a post later to explain my theories on perspective in backdrop painting.
Here is a quick and dirty time lapse video showing the backdrop as I painted it.
|With the door to the office closed, the basement looks like river front property :)|