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  • Published 19 Jan 2024

Extend Blackbody Node Temperature Range

Currently, the Blackbody node caps out at 12,000. Input values above this return the same result as for 12K. There are various relevant physical phenomena, such as electric arcs and B- and O-type stars, with temperatures (and thus color temperatures) well above this range. It would be useful if the effective range of the node were extended up to 30,000 or higher.

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Development Status: Open

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AgentA1cr
19 Jan 2024

3 Comments

zuorion

edit: this post was wrong - see below

Currently, the Blackbody node caps out at 12,000.

Its just soft limit for most common numbers, you can enter there whatever you want since there is no hard limit..

FYI its all over blender

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AgentA1cr Author

I don't mean that the input can't be higher than 12,000, I mean the the output stops changing above 12,000. I've edited the original post to reflect this.

zuorion

Okay, i've looked into that.

Its not artificially caps at 12'000, but hardcoded values only covers that range for performance reasons. Also it suppose to have other problems.

Moony made improved version with nodes without that limitation: blendswap.com/blend/12214