Define 'direction' of warpage deviation as +ve or -ve numbers

[Anonymous]

Legend bar for warpage plots is shown only in terms of positive numbers (0 being the least up to highest deviation) which can be misguiding at times if not scrutinized very closely. Currently there is no way to easily visualize “direction” of the deviation for a warped face/feature. There should be a provision to adjust legend bar showing numbers as +ve (Regions moving away from nominal surface) and -ve (Regions moving inside of nominal surface or wall thickness).

I have attached an images showing a real life example to briefly describe the issue.

For features like sealing surfaces, it is very important to understand whether predicted feature will be undersize (less seal compression, leakage path) or oversize (more compression, but no leakage path) so ability to visualize warpage as +ve or -ve will be very helpful in such cases.