June 26, 2017, 02:06:09 am
Hi Red Door Architecture
Yes, that's the idea. The Sun Shadow Range cascades 3 levels of shadows stretching over the whole Scene. The highest quality are those closest to camera so that you get best quality up close. So you want to set a Sun Shadow Range that reflects how far away the camera is from the main subject/content. The default range (at 390m) will often work OK, depending on content of the view.
An example where you can see this quite easily, is to Load the Villa Wegner Example Scene. Go to Photo Mode, Photo 2. Notice the shadows under the sun loungers. Move the Sun Shadow Range slider up (pic 2) and down. Notice that there are higher definition (smoother) (pic 1) shadows when the range more closely matches the distance of this camera view to subject.
In regard Shadow Correction: it's a slightly unusual one; in terms of wording. But what correction does is alter the closeness of shadows to an object. It's done to manage potential flickering. So where the shadow is not close to the object there will sometimes appear to be light gaps/leakage between two surfaces. So the shadow needs more correction. For the slider, that means maximum correction to bring the shadow as close as possible to the surfaces. The goal is to set the slider value to the lowest possible value that does not result in flickering shadows. In your image it looks like the slider might be default or a higher value, so try setting it to a lower value closer to 0. Does that fix it?
Again, in the Villa Wegner example, move the camera down a bit so you can see the shadow of the sun lounger leg. With a Sun Shadow Range of 156m, move the Shadow Correction slider up (pic 4) and down. At 0 (pic 3) the shadow is closest to the leg (and for this view looks most correct (expected for a shadow)).