luminance texture is wrong

[Alessandro Padovani]

1.7.4.2029

When there’s a luminance texture the emission is wrong. The luminance texture is multiplied with the emission color, instead it has to be multiplied with the emission strength. Test scene included emission.duf. Below how it should be converted, and the difference with daz studio.

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[Alessandro Padovani]

As a side note it seems ghost lights don’t work anymore. Even if we set it in the global settings the ghost light is not generated, test scene in #974.

[Alessandro Padovani]

Issue #1947 was marked as a duplicate of this issue.

[Thomas Larsson]

Fixed in last commit. The ghost lights are revived too.

[Alessandro Padovani]

Commit 5c4c9d0 works great, both emission and ghost lights are fixed. Thank you for looking at this and welcome back.