new version of high level languge

[Ed Shaya]

Oops, that is not the URL for the documentation.  Here it is:
http://nvo.gsfc.nasa.gov/ql/voql_doc/voqla.html
Sorry about that.


Ed Shaya wrote:

>
> I have made numerous additions/changes, most notably adding 
> arithmetic, logic, inequalities,
> so that one can take response variables and put constraints on them.  
> I tried to be consistent with MathML whereever appropriate.  I did not 
> get in all of the annotation that I hoped, but there are some short 
> statements about each Type.   You can see an extensive auto generated 
> documentation along with the latest schemas at
>
> http://nvo.gsfc.nasa.gov/impress/ql/voql.xsd
>
> Also, the spaceTime parts are now in a separate namespace, but for 
> some reason I had to
> drop all default values to do this, don't understand why.
>
> Ed
>
>------------------------------------------------------------------------
>
><?xml version="1.0" encoding="UTF-8"?>
><!-- edited with XMLSPY v5 rel. 3 U (http://www.xmlspy.com) by Ed Shaya (NASA) -->
><request xmlns="http://www.vo.org/ql" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.vo.org/ql
>voql.xsd">
>	<constraint>
>		<object class="clusterOfGalaxies">
>			<intersect>
>				<measurement name="X-ray_brightness" project="ROSAT">@clusterXray</measurement>
>				<image type="Xray" project="ROSAT" quality="@q">@image</image>
>				<name>@clusterName</name>
>				<measurement name="redshift" units="@czunits">
>					<range>
>						<lo inclusive="yes">0.6</lo>
>					</range>@cz</measurement>
>				<hasMember>
>					<object class="galaxy">
>						<intersect>
>							<name>@galaxyName</name>
>							<Coords coord_system_id="equatorial">
>								<CoordLongitude>
>									<CoordValue>
>										<Query>@gRA</Query>
>									</CoordValue>
>								</CoordLongitude>
>							</Coords>
>							<CoordSystem coord_system_id="equatorial" coord_epoch="@epoch" coord_ref_frame="FK5"/>
>							<Coords coord_system_id="equatorial">
>								<CoordLatitude>
>									<CoordValue>
>										<Query>@gDE</Query>
>									</CoordValue>
>								</CoordLatitude>
>							</Coords>
>							<measurement name="mType">@mType</measurement>
>							<union>
>								<measurement project="ROSAT" name="Xraybrightness" units="@xrayUnits">@gXray</measurement>
>								<image band="optical" quality="@@q">@@images</image>
>							</union>
>						</intersect>
>					</object>
>				</hasMember>
>			</intersect>
>		</object>
>		<math>
>			<apply>
>				<geq>
>					<apply>
>						<divide>
>							<ci>@Xraybrightness</ci>
>							<apply>
>								<numberOf>@galaxyName</numberOf>
>							</apply>
>						</divide>
>					</apply>
>					<cn units="Jansky">3.0E3</cn>
>				</geq>
>			</apply>
>		</math>
>	</constraint>
>	<return type="VOTable" name="Cluster Info">
>		<for-each object="@clusterName">
>			<field name="clusterName" units="unitless">@clusterName</field>
>			<field name="clusterXray" units="Jansky">@clusterXray</field>
>			<field name="image" units="unitless">@image</field>
>			<field name="redshift" units="@czunits">@cz</field>
>			<field name="Number of Galaxies" units="unitless">
>				<math>
>					<apply>
>						<numberOf>@galaxyName</numberOf>
>					</apply>
>				</math>
>			</field>
>			<for-each object="@galaxyName">
>				<field name="galaxyName" units="unitless">@galaxyName</field>
>				<field name="gRA" units="unitless">@gRA</field>
>				<field name="gDE" units="unitless">@gDE</field>
>				<field name="Xray" units="@xrayUnits">@gXray</field>
>				<field name="mType" units="unitless">@mType</field>
>				<field name="images" units="unitless">@@images</field>
>				<field name="imageQuality" units="unitless">@@q</field>
>			</for-each>
>		</for-each>
>	</return>
></request>
>  
>