Re: [Algorithms] Undershooting in spherical harmonics generated bycubemap convolution

[Alen L. <ale...@cr...>]

Sam wrote at 4/28/2009:
>> Do you mean to generate a cubemap by evaluating SHs with synthetic
>> values like (1, 0, 0,..., 0) and see if they transform back to
>> themselves? Sounds interesting. Will have to try that.
> Yep, exactly. You can turn this into a proper unit test.

Unfortunately, it seems that this is not a correct test for my case.
Perhaps I haven't specifically mentioned a "slight" detail: this used
to specify diffuse radiance, not irradiance. As this includes the
cosine term, I believe that such two-way transformation is not
possible. Right?

Alen