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Version 1.9 Build 1488 |
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Package | general | |
Module | images | |
Tool | coordsys |
value | in | New epoch | |
Allowed: | Epoch measure |
This function (short-hand name se) sets a new epoch (supplied as an epoch measure) of the observation. You can get the current epoch with function epoch.
- cs := coordsys() - ep := cs.epoch() - ep [type=epoch, refer=UTC, m0=[value=51728.4578, unit=d]] - - ep := dm.epoch('UTC', 'today') - cs.setepoch(ep) - cs.epoch() [type=epoch, refer=UTC, m0=[value=51729.1679, unit=d]]