Add a mechansism to combine datasets #242
Description
Description
It would be quite useful to have a means to create a new dataset from elements of existing datasets.
For example, I'm working on creating a 2 plot image file. In the upper plot I've got 4 datasets (named cycleOne, cycleTwo, etc) each built by loading a single data file. The bottom plot is a separate dataset containing the same 4 files used the upper plot now in a single dataset (named dayOne). This works but it's obviously inefficient as each input file is being read twice. If there was a way to simply create the dayOne dataset by combining the first 4 datasets life would be a bit better.
I have a work-around now, and at least for the moment, this isn't causing a run-time limitation. It's easy to see that it might be a problem though when dealing with some of the larger datasets like IASI and CrIS. I'm going to treat this as a low-priority issue for now.
Dependencies
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