Spectral cutout service

[Robert Hanisch]

Hi Petr.  Others can correct me if I am mistaken, or expand on this
response, but the spectral bandpass can be a numeric range list, as is shown
in the example in section 4.1.1.3 of SSAP V1.04.  This range can be used to
limit the scope of a search, but an SSAP service could (but is not required
to) generate a spectral cutout for just the requested region.  Also see
section 2.4 describing virtual data, and section 2.5.2 describing service
types.

Bob


On 9/30/08 5:31 AM, "Petr Skoda" <skoda at sunstel.asu.cas.cz> wrote:

> 
> Hi all,
> 
> Has been someone working on a implementation of a simple implementation of
> a service delivering through SSAP not whole spectrum but only part of it
> in selected wavelength range?
> 
> I am not able to find anything in SSAP 1.04 concerning the relevant
> parameters. As I understand the BAND should be used to only impose
> additional constraint on selection of spectra.
> But if there is no  better way I would try to create 2 services with
> different serviceURL to the same archive but for the cutout the BAND would
> mean - select all spectra containing that range AND cut them to those
> limits before sending.
> 
> Or is there another parameter conceived for this purpose (e.g.
> CUTRANGE=wave_min/wave_max or CUTBAND ?
> 
> Or to do the cutout as default and device parametr for delivering whole
> spectrum ?
> 
> What do you suggest ? Is there anything established for image cutouts ?
> What is the current support of BAND in VO spectral clients ?
> 
> Thanks
> 
> Petr Skoda
> 
> *************************************************************************
> *  Petr Skoda                         Phone : +420-323-649201, ext. 361 *
> *  Stellar Department                         +420-323-620361           *
> *  Astronomical Institute AS CR       Fax   : +420-323-620250           *
> *  251 65 Ondrejov                    e-mail: skoda at sunstel.asu.cas.cz  *
> *  Czech Republic                                                       *
> *************************************************************************