Did you import the data correctly with File > Import and select the .safe file?
There should also be an incidence angle band under tie point grids.
It should look like this: Subsidence map in 3d view - #39 by ABraun
Did you import the data correctly with File > Import and select the .safe file?
There should also be an incidence angle band under tie point grids.
It should look like this: Subsidence map in 3d view - #39 by ABraun