[AstroPy] Re: HIERARCH
hsu at stsci.edu
Wed Mar 30 17:18:32 CST 2005
>I'm a bit worried that you're so quick to abandon maintainable and
>extensible code for efficiency, given just one pathological case.
Please not be so quick to make your judgement based on its face value.
This is just one of the reasons.
>Since HIERARCH is used by all ESO headers, we lose a substantial
>fraction of European astronomers if we don't support it.
Maybe. I have no idea how many astronomers use ESO data and how many of
them do access the HIERARCH keywords. We did get 2 or 3 such requests
in the last year or two.
>>I am confident that if we just
>>implement the read, someone else will come around and ask for the
>Perhaps. So give them a simple string write. It should be equally
>easy to implement. The hard thing is to actually implement a data
>structure read/write from the hierarchy, with all the elements typed
That's right. It is not hard to just write the card image. In fact, it
can be done now. But I was alluding to people who want to do:
hdu.header['very long keyword']='a new value'
>>But shouldn't the "keyword" in this
>>be "ESO TEL AIRM START" without the "HIERARCH" (or maybe even without
>I don't care, I just wanna read the sucker so I can analyze my
Well, I have heard the other way too. So, we do need a "standard".
Other users may want to give their input?
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