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[jsr363-experts] Re: Missing quantities in specification

  • From: Werner Keil < >
  • To: " " < >
  • Subject: [jsr363-experts] Re: Missing quantities in specification
  • Date: Mon, 15 Dec 2014 16:05:32 +0100

Yes, as I feared, many of the links are dead now;-O
http://www.bipm.org/en/measurement-units/base_units/
no longer works, Wikipedia is also affected btw. (they depend on
contributions just like this JSR;-)

Will try to fix it at least for BIPM.

Werner

On Mon, Dec 15, 2014 at 4:03 PM, Werner Keil 
< >
 wrote:

> Yep, it's "Information" now, similar to e.g. "Radioactivity" which had a
> more complex name or "Speed" instead of "Velocity".
>
> The quantities in the API are SI ones, listed here on Wikipedia (did they
> miss anything?;-)
> http://en.wikipedia.org/wiki/International_System_of_Units
>
> There's this BIPM brochure, which now has a nice online version, too:
> http://www.bipm.org/en/publications/si-brochure/
>
> We might prefer to quote it (and where appropriate also relevant
> sub-sections) rather than pointing to a PDF, especially if that seems
> outdated now
>
> Werner
>
> On Mon, Dec 15, 2014 at 2:41 PM, Martin Desruisseaux <
>  >
>  wrote:
>>
>>  The table provided in the "*Supported quantities*" section of the
>> specification is missing the following types, compared to the current
>> Javadoc:
>>
>>    - Action
>>    - AngularAcceleration
>>    - AngularSpeed
>>    - Dimensionless
>>    - DynamicViscosity
>>    - ElectricPermittivity
>>    - Information
>>    - InformationRate
>>    - IonizingRadiation
>>    - KinematicViscosity
>>    - Luminance
>>    - MagneticFieldStrenght
>>    - MagneticPermeability
>>    - MassFlowRate
>>    - Torque
>>    - VolumetricDensity
>>    - VolumetricFlowRate
>>    - WaveNumber
>>
>> The following type is not present anymore (or was it renamed
>> "Information"?)
>>
>>    - DataAmount
>>
>> My question is: what is the criterion for deciding which quantity to put
>> in the javax.measure.quantity package? What prevent me from pushing for
>> a "Salinity" unit (a very fundamental unit in oceanography)? I mean, we
>> can not put all units used in the world, so we probably need to define a
>> criterion for inclusion. What is that criterion?
>>
>>     Martin
>>
>>


[jsr363-experts] Missing quantities in specification

Martin Desruisseaux 12/15/2014

[jsr363-experts] Re: Missing quantities in specification

Werner Keil 12/15/2014

[jsr363-experts] Re: Missing quantities in specification

Werner Keil 12/15/2014

[jsr363-experts] Re: Missing quantities in specification

Martin Desruisseaux 12/15/2014

[jsr363-experts] Re: Missing quantities in specification

Werner Keil 12/15/2014

[jsr363-experts] Re: Missing quantities in specification

Martin Desruisseaux 12/16/2014
 
 
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