Regression: Area lights - incorrect UI Power value #113117
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Reference: blender/blender#113117
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System Information
Linux Mint 21.2 Cinnamon kernel 6.2.0-33
3400G
Blender Version
Broken: blender-4.0.0-beta+v40.3f633503d34e-linux.x86_64-release.tar.xz
Worked: blender-3.6.5-candidate+v36.ba8cadad0053-linux.x86_64-release.tar.xz
Short description of error
Please note, reporting an UI issue, not render. Thank you!
While renders closely match (allowing for recent changes), opening Blender 3.6 files in Blender 4.0 / 4.1 Area lights UI Power values appear to be incorrect (no longer match).
In comparison, other light types UI Power values remain the same.
Exact steps for others to reproduce the error
Compare following .blend file in both 3.6 and 4.0 / 4.1.
Area_lights_incorrect_UI_Power_value.blend
Kind regards.
Blender 4.0 / 4.1 regression: Area lights - incorrect UI Power valueto Regression: Blender 4.0 / 4.1: Area lights - incorrect UI Power valueRegression: Blender 4.0 / 4.1: Area lights - incorrect UI Power valueto Regression: Area lights - incorrect UI Power valueHi, thanks for the report. Can confirm. I'll check.
Caused by
482211b7e0In versioniing_400.cc, energy is intentionally multiplied with M_PI_4 (pi/4 = 0.785398163397448309616)
Not a bug, closing.
Thank you both for your help.
Kind regards.