bestetc

Results 3 issues of bestetc

Dump and load methods added to RefractorVelocity and RefractorVelocityField: RefractorVelocityField can now be dumped to and loaded from a file File should have next structure: ``` name_x name_y coord_x coord_y...

Add to survey: 1. Calculate the RefractorVelocityField. - could be calculated by supergather gathers. - could be calculated init based on the full survey data. - could be smooth RV...

Implements the calculation velocity model with the optimal number of refractors. Common cases: 1. If `RefractorVelocity` is created using `from_first_breaks` classmethod with no initial parameters (such as init, bounds, or...