Ray shadows are not correct
135184
Why won't the location of the light affect the direction of the shadows?
119379
Shadow terminator artifacts issues
17644
Hair renders different than the preview
88693
Layers with different directional drop shadows in Photoshop
133725
How is Anti Aliasing Implemented in Ray Tracing?
84140
Shadow of a 3D object on a plane
94277
3D graphics render as though no illumination
89564
How to create 2D shadows
115491
Marker shadows in Google Maps v3
28724
How to avoid "completely" dark shadow using directional light (as Sun) ?
154392
Polygonal darkness appearing in render
44845
Glass reflection distortion
116841
Reflection is quad dependent and looks non realistic
106435
Ray-Casting algorithm in Ray-triangle intersection
36215
Fixing shadows in cycles without increasing subdivision
72154
Correct way to render crepuscular rays in cycles?
105373
Why is this glass Cycles material casting solid shadows?