Check/tune image use case parameters based on rescaling the update vector

[sheryjoe]

Rescale update vector to original magnitude after projection to surface tangent #601

• [ ] update parameters
• [ ] update optimization model on the data portal

[cchriste]

Is this a new feature or an enhancement?

What does the data portal have to do with the optimization model? Do we currently automatically update anything in the data portal?

[sheryjoe]

Related to #601

As of now, we manually update the models in the portal once we have a "better" model --- not ideal.