Add logic for manually specifying reference dates mid-stack #334
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This accounts for the fact that we may pass in several compressed SLCs for a single run, and we wish to make the phase linking outputs referenced to something besides the first SLC. For example, if we had 1_1_3 1_4_6 7_7_9 10 11 12 And we wanted to output interferograms relative to `7`, we need to specify that to the phase linking functions; otherwise, it will output things relative to day 1. Since we dont write out rasters corresponding to compressed SLC inputs, we'd have nothing from day 7 to re-refrence later. Note that an alternative might be to always write out rasters for every input in a ministack, including the compressed inputs. The downside is that during a normal local Sequential run with multiple ministacks, you write out redundant rasters and need to remove/select the right ones afterward. But if that way seems cleaner later, we could revert this commit.
…d_phase_sequential`
…inking` in `single`
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This PR adds logic to specify a reference date changeover while not breaking the time series.
This feature is planned to be used for the opera SAS, where ministacks are run as a full block through unwrapping; it's unlikely to be widely useful to people who are processing larger stacks using the Sequential workflow.