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VDB - sdf invert sign, is this possible?

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I am having a difficult time locating information about this.

If I were to drop an isooffset an output it as an SDF, I have the option to invert the sign on the construction tab.

So my question is: if I were to output a VDB as an SDF, how would I go about doing a similar operation?

I tried using a VDBcombine, and selecting the "invert A" operation with no success.

I also tried negating the sign value, and fitting it to an inverted range in volume vops, but that too failed to return the results I'm looking for.

Any info would be highly appreciated!



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