Metrix Acid Test

    Try this test:

    1. Start with any color image. Save it as "Original."

Original.psd

    2. Apply a curve to Original and save the resulting image as "Curved."

Original.psd

Curved.psd

    3. Open Original, open Metrix, click Analyze, and click OK. Then activate Curved, open Metrix again, click Apply, and click OK.

    4. The resulting image matches the Original: