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i have an interior scene replicated from photo reference as a way to practise blender.

this scene has sun, artificial area lights to help lighting the interior. and a HDR image to get something as a background and not to light the scene.

i don't know how these work up in Blender and Cycles.

as in SketchUp with other render engines, the background would still show up and visible to the camera. even with rectangular lights added behind the window's glasses to help the interior lighting from the exterior.

scene replicated from photo ref with fspy in blender 2.79

Edit:

for now i've come to conclusion that the problem is the glass shader i used. adopted from blenderguru tutorial on kitchen modelling. checked out the Material-Preview and got almost diffused shader. then, i look for different approach for the glass.

i've come to these pages/queries;

How to illuminate the darkness inside glass objects in Cycles?

Which glass shader is physically correct?

How can I make a more realistic glass shader?

which suggested "tricky glass" nodes setup material and got strange look at the window in the corner.

trickglass error

irwan
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  • it seems to work, are you sure your windows are transparent? – moonboots Aug 30 '19 at 07:30
  • @moonboots, really? from the scene? have you tried to see and render the scene from the fspy's camera? i don't see anything beyond the glasses of the window. but that glowing light on the windows. i've tried to use the glass material from chocofur and this one with the architectural glass hack material from Andrew Price. did you see that there are "area lights" in front of those glasses outside? – irwan Aug 30 '19 at 11:27
  • have you tried to remove the windows to see if it could come from that? – moonboots Aug 30 '19 at 11:32
  • also, the World's Background Strength is very high (15), maybe decrease it at 1? – moonboots Aug 30 '19 at 12:20
  • i've already tried with strength at 1. it was started at that value by default, right? haven't tried to remove the windows -or, is it the glasses?- i'll check that then. – irwan Aug 30 '19 at 13:34
  • May be the number of bounces of light is too low? –  Sep 03 '19 at 07:18

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