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sot / chandra_cmd_states

Interface for creation and maintenance of the Chandra commanded states database.
https://sot.github.io/cmd_states
BSD 3-Clause "New" or "Revised" License
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Add dither amplitude and period to cmd_states #28

Closed jeanconn closed 5 years ago

jeanconn commented 7 years ago

Add dither amplitude and period to cmd_states

jeanconn commented 7 years ago

I need dither parameters for higher-fidelity checking in starcheck (I don't want to "penalize" observations with 20 arcsec dither). Since we don't get dither parameters from HISTORY files and we don't have a some kind of new continuity file standard set up in products yet, I thought this might be a quick way to go. We are already using command states for values for the thermal models within starcheck so there is some support for using content from the database to review flight products.

I considered using timelines to just fetch and read dither from previous backstop files, but I couldn't immediately decide if that method would be as robust as just adding the columns I wanted to cmd_states.

taldcroft commented 6 years ago

OK looks good. Just double check that the conversion from cmd parameters to our units is correct.

jeanconn commented 6 years ago

Do we need buy in from anybody else? As I understand it, this will change the default returned columns from get_cmd_states, which should be fine unless somebody is doing their own text parsing of that and also using the default list of columns.

taldcroft commented 6 years ago

Yes we need to put this through the LR change process.

taldcroft commented 6 years ago

And of course there will be many changes to the actual states.

jeanconn commented 6 years ago

And yes, I assumed LR, but I didn't know about just drawing ACIS attention to this PR.

taldcroft commented 6 years ago

Yup. Probably an email and include Matt as well.

jeanconn commented 5 years ago

Given our move to use of dynamic command states, I think this can just be closed unmerged.

taldcroft commented 5 years ago

:tada: :rocket: