Only update tiles if the skymap has changed

GOTO-OBS / gtecs-alert

GOTO Telescope Control System: code for VOEvent alert processing

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Only update tiles if the skymap has changed #37

Closed martinjohndyer closed 1 year ago

martinjohndyer commented 5 years ago

This was always something that needed implementing, when writing #36 I was surprised to see it didn't already have an issue.

If we do implement the idea in #36 this will actually make this a lot easier, since we'll always download the new skymap manually. Then when we open it up and tile it we can compare to the existing tiles. Since we now know we can't trust the file names to change...

martinjohndyer commented 1 year ago

This is now the case, certainly in https://github.com/GOTO-OBS/gtecs-alert/pull/71 and possibly before?