some comment on SSA

[lesidaner-obs]

I have trouble in Maxrec parameter
from the standard :

-------------------
"8.10.2  Overflow

The operation produced results that exceeded the limits of the service 
in some way. For instance, a data query matched too many candidate 
datasets. In this case, the service should include an error message 
indicating the nature of the overflow condition (see also section 8.10.2).

 

Example:

<INFO name="QUERY_STATUS" value="ERROR">DEC out of range: DEC=91</INFO>

<INFO name="QUERY_STATUS" value="OVERFLOW">Number of matching spectra 
exceeds default limit of 500</INFO>

 

If overflow occurs the query may be repeated, requesting a higher MAXREC 
value than the default for the maximum number of output records, up to 
the hard limit defined by the service capabilities. Alternatively the 
query parameters may be adjusted to more carefully constrain the query. 
Currently these are the only ways to avoid overflow when performing a query
-------------------------------

It appear that in quite all client this parameter is not supported as i 
imagine it should be.
Would it be possible to change the output telling
<INFO name="QUERY_STATUS" value="OVERFLOW">Number of matching spectra 
exceeds default limit of 500 only Only 500 of X will be return</INFO>
And ask the service to return the first Maxrec result

This should be useful for the user and easily manage by client without 
multiple queries.

as an example you can check
http://basebe.obspm.fr/cgi-bin/ssapBE_1.0.pl?POS=84.41116666666667%2C21.142527777777776&SIZE=0.5&BAND=&TIME=2453384.92154&FORMAT=votable

Best regards
Pierre Le Sidaner

-- 
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                           Pierre Le Sidaner
             Observatoire de Paris-Meudon-Nancay

Service Informatique de l'Observatoire 01 45 07 76 34
5, place Jules Janssen 92195 Meudon
Observatoire Virtuel 01 40 51 20 89
61, avenue de l'Observatoire 75014 Paris

mail:pierre.lesidaner at obspm.fr

vo.obspm.fr

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