.help qstring Mar12 votools
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NAME
qstring -- Generate a query string URL
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USAGE
qstring base field
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PARAMETERS
.ls base
Base URL or resource name.
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.ls field
Query image or field name.
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.ls type = "catalog"
Data service type.
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.ls ra = 0.0
RA position of query string (object or image center if provided).
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.ls dec = 0.0
Dec position of query string (object or image center if provided).
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.ls size = 0.25
Desired query size (or size derived from image).
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DESCRIPTION
The \fIQSTRING\fR task .....

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EXAMPLES
1. Print the query string used to access the NED service for the field 
covering the dev$ypix test image:

.nf
  votools> qstring ned dev$ypix
  http://ned.ipac.caltech.edu/cgi-bin/nph-NEDobjsearch?search_type=Near+Position+Search&of=xml_main&RA=202.47023333333&DEC=47.194552777778&SR=0.1088616739748&RUNID=iraf2160
.fi

1. Print the query string used to access the NED service for the field 
covering the dev$ypix test image:

.nf
  votools> qstring ned dev$ypix
  http://ned.ipac.caltech.edu/cgi-bin/nph-NEDobjsearch?search_type=Near+Position+Search&of=xml_main&RA=202.47023333333&DEC=47.194552777778&SR=0.1088616739748&RUNID=iraf2160
.fi

2. Print the query string used to access the DSS image service for the field 
covering the dev$ypix test image:

.nf
  votools> qstring dss dev$ypix type="image"
  http://skyview.gsfc.nasa.gov/cgi-bin/vo/sia.pl?survey=dss2&POS=202.47023333333,47.194552777778&SIZE=0.1088616739748&RUNID=iraf2160
.fi

3. Construct a catalog query string for a local URL at an explicit position:
.nf
  votools> qstring http://foo.bar/cat ra=1.23 dec=2.34 size=0.2
  http://foo.bar/cat?RA=1.23&DEC=2.34&SR=0.2&RUNID=iraf2160
.fi

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REVISIONS
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SEE ALSO
getcat, getimg, getspec, vodata
.endhelp