[Casa-framework] Added quanta tool to casapy

[Wes Young]

Kumar,

Yes indeed a variant is a variable with unkown type. You can look at  
table_cmpt for examples.

wes
wyoung at aoc.nrao.edu


On 15 Sep 2006, at 07:40, Kumar Golap wrote:

>>
>> It might be better to do something on the Python end to convert  
>> strings to
>> quantities in analogy with the glish.  Then the C++ methods don't  
>> have the
>> added overhead of string conversion code if it isn't needed.
>>
>> Anyway, I nearly certainly will not have time this month to write  
>> the code
>> needed to generate valid quantities from arbitrary strings since  
>> there is
>> considerable work to be done on the atmosphere component.  Also,  
>> rather
>> than using the existing Glish code as the specification, it would be
>> better to start from a formal specification of string formats that  
>> should
>> be parsed.
>
> Its a design issue...how much can be transferred to C++ and how much
> can be done at all at the python level.
>
> The string format accepted are already defined in the glish
> quanta...so may be we should just use that as what we want
> implemented.
>
> Any example you can point me to the usage of a variant....A variant
> i'm guessing is a variable with no fixed  type ...am i right ?
>
> I can help by writing some helper functions that will return a
> Quantity from String in  C++
>
>
> Cheers,
>
> Kumar
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