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envisat.owl
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<?xml version="1.0"?>
<!--
Data Hub Service (DHuS) - For Space data distribution.
Copyright (C) 2019 GAEL Systems
This file is part of DHuS software sources.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<!DOCTYPE rdf:RDF [
<!ENTITY rdf "http://www.w3.org/1999/02/22-rdf-syntax-ns#">
<!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#">
<!ENTITY owl "http://www.w3.org/2002/07/owl#">
<!ENTITY drb "http://www.gael.fr/drb#">
<!ENTITY envisat "http://www.esa.int/envisat#">
<!ENTITY dhus "http://www.gael.fr/dhus#">
<!ENTITY img "http://www.gael.fr/drb/image#">
<!ENTITY nc "http://www.unidata.ucar.edu/netcdf#">
]>
<rdf:RDF xmlns:owl = "&owl;"
xmlns:rdf = "&rdf;"
xmlns:rdfs = "&rdfs;"
xmlns:envisat = "&envisat;"
xmlns:drb = "&drb;"
xmlns:nc = "&nc;"
xmlns:dhus = "&dhus;"
xmlns:img = "&img;"
xml:base = "&envisat;">
<owl:Ontology rdf:about="&envisat;"/>
<!-- ENVISAT.RA2.GDR_2P and ENVISAT.RA2.MWS_2P -->
<rdf:Description rdf:about="&envisat;productRA2_level2">
<dhus:metadataTypes rdf:parseType="Literal">
<metadataType id="satellite"
name="Satellite"
contentType="text/plain"
category="summary">
</metadataType>
<metadataType id="instrument"
name="Instrument"
contentType="text/plain"
category="summary">
</metadataType>
<metadataType id="date"
name="Date"
contentType="text/date+iso8601"
category="summary">
</metadataType>
<!-- footprint -->
<metadataType id="GMLfootprint"
name="Footprint"
contentType="application/gml+xml"
category="product">
<solrField name="gmlfootprint"
type="string"/>
</metadataType>
<metadataType id="footprint"
name="JTS footprint"
contentType="application/jts"
category="product">
<solrField name="footprint"
type="location_rpt"/>
</metadataType>
<!-- acquisition -->
<metadataType id="beginPosition"
name="Sensing start"
contentType="text/date+iso8601"
category="product">
<solrField name="beginposition"
type="tdate"/>
</metadataType>
<metadataType id="endPosition"
name="Sensing stop"
contentType="text/date+iso8601"
category="product">
<solrField name="endposition"
type="tdate"/>
</metadataType>
<!-- platform -->
<metadataType id="platformName"
name="Platform name"
contentType="text/plain"
category="platform">
<solrField name="platformname"
type="text_general"/>
</metadataType>
<metadataType id="platformShortName"
name="Platform short name"
contentType="text/plain"
category="platform">
<solrField name="platformshortname"
type="text_general"/>
</metadataType>
<metadataType id="platformSerialIdentifier"
name="Platform serial identifier"
contentType="text/plain"
category="platform">
<solrField name="platformserialidentifier"
type="text_general"/>
</metadataType>
<metadataType id="platformNssdcIdentifier"
name="Platform NSSDC identifier"
contentType="text/plain"
category="platform">
<solrField name="platformnssdcidentifier"
type="text_general"/>
</metadataType>
<!-- instrument -->
<metadataType id="instrumentName"
name="Instrument name"
contentType="text/plain"
category="instrument">
<solrField name="instrumentname"
type="text_general"/>
</metadataType>
<metadataType id="instrumentShortName"
name="Instrument short name"
contentType="text/plain"
category="instrument">
<solrField name="instrumentshortname"
type="text_general"/>
</metadataType>
<!-- orbit -->
<metadataType id="orbitNumber"
name="Orbit number"
contentType="text/integer"
category="product">
<solrField name="orbitnumber"
type="int"/>
</metadataType>
<metadataType id="relativeOrbitNumber"
name="Relative orbit number"
contentType="text/integer"
category="product">
<solrField name="relativeorbitnumber"
type="int"/>
</metadataType>
<metadataType id="cycle"
name="Cycle"
contentType="text/integer"
category="product">
<solrField name="cycle"
type="int"/>
</metadataType>
<metadataType id="phase"
name="Phase"
contentType="text/integer"
category="product">
<solrField name="phase"
type="int"/>
</metadataType>
<!-- processing -->
<metadataType id="processingLevel"
name="Processing level"
contentType="text/plain"
category="product">
<solrField name="processinglevel"
type="text_general"/>
</metadataType>
<metadataType id="generationTime"
name="Generation time"
contentType="text/plain"
category="product">
</metadataType>
<!-- other -->
<metadataType id="productType"
name="Product type"
contentType="text/plain"
category="product">
<solrField name="producttype"
type="text_general"/>
</metadataType>
<metadataType id="productDescription"
name="Product description"
contentType="text/plain"
category="product">
<solrField name="productdescription"
type="text_general"/>
</metadataType>
<metadataType id="size"
name="Size"
contentType="text/plain"
category="summary">
<solrField name="size"
type="string"/>
</metadataType>
<metadataType id="format"
name="Format"
contentType="text/plain"
category="product">
<solrField name="format"
type="string"
required="true"/>
</metadataType>
<metadataType id="filename"
name="Filename"
contentType="text/plain"
category="summary">
<solrField name="filename"
type="string"
required="true"/>
</metadataType>
</dhus:metadataTypes>
</rdf:Description>
<!-- ENVISAT.RA2.GDR_2P and ENVISAT.RA2.MWS_2P -->
<rdf:Description rdf:about="&envisat;productRA2_level2">
<dhus:support/>
<dhus:identifier rdf:parseType="Literal">
<![CDATA[
fn:tokenize(name (.), '\.')[1]
]]>
</dhus:identifier>
<dhus:metadataExtractor rdf:parseType="Literal">
<![CDATA[
<!-- ============================================================== -->
<!-- FUNCTIONS -->
<!-- ============================================================== -->
declare function local:computeSizes ($path, $base as item()*) as item()*
{
let $product := .
return
fn:data($product/@size)
};
declare function local:roundHalfDown($arg, $precision) as xs:double*
{
xs:integer((xs:double($arg)*math:power(10, $precision))) div
math:power(10, $precision)
};
declare function local:computedateTime ($inputDate as xs:string?) as xs:string
{
let $input := $inputDate
return concat(substring($inputDate, 1, 10),
"T",
substring($inputDate, 12, 8),
".",
substring($inputDate, 21, 6),
"Z")
};
declare function local:lon360to180($lon360 as xs:double?) as xs:double?
{
let $lon180 := ($lon360 + 180) mod 360
return ($lon180 - 180)
};
declare function local:addOffsetLat($lat as xs:double?,
$offset as xs:double?) as xs:double?
{
let $lato := ($lat + $offset)
return
if ($lato > 90)
then 90
else if ($lato < -90)
then -90
else $lato
};
declare function local:getIndices($count as xs:double?,
$reverse as xs:boolean?) as item()*
{
let $step := (
if (xs:integer($count div 200) = 0)
then 1
else xs:integer($count div 200)
)
let $indices1 := (
for $index in (1 to $count)
where $index mod $step = 0
return $index
)
let $indices2 := (
for $index in (1 to $count)
let $i := xs:integer($count - $index + 1)
where $i mod $step = 0
return $i
)
return
if ($count = 1)
then (1,1)
else if ($reverse)
then ($count,$indices2,1)
else (1,$indices1,$count)
};
declare function local:getGmlFootprint($lats as item()*,
$lons as item()*) as xs:string
{
let $count := count($lats)
return
fn:string-join(
(
for $index in (1 to $count)
return
concat(local:truncateDecimal($lats[$index]),
",",
local:truncateDecimal($lons[$index]))
)," ")
};
declare function local:getJtsFootprint($lats as item()*,
$lons as item()*) as xs:string
{
let $count := count($lats)
return
concat(
"POLYGON ((",
fn:string-join(
(
for $index in (1 to $count)
return
concat(local:truncateDecimal($lons[$index]),
" ",
local:truncateDecimal($lats[$index]))
),","),
"))"
)
};
declare function local:truncateDecimal($num as xs:double?) as xs:string?
{
let $precision := 4
let $int := fn:tokenize(xs:string($num),'\.')[1]
let $dec := fn:substring(fn:tokenize(xs:string($num),'\.')[2],1,$precision)
return concat($int,".",$dec)
};
<!-- ============================================================== -->
<!-- VARIABLES -->
<!-- ============================================================== -->
let $name := name()
let $root := ./root
let $VAR_title := fn:data($root/attributes/*[name(.) = "title"])
let $VAR_missionId := fn:substring($name, 1, 3)
let $VAR_dataSource := fn:substring($name, 5, 2)
let $VAR_level := fn:substring($name, 8, 1)
let $VAR_dataTypeId := fn:substring($name, 10, 6)
let $VAR_orbitDurationSec := xs:integer(fn:substring($name, 65, 4))
let $VAR_productGenerationCentre := fn:substring($name, 82, 3)
let $VAR_classIdPlatform := fn:substring($name, 86, 1)
let $VAR_classIdTimeliness := fn:substring($name, 88, 2)
let $VAR_classIdBaseline := fn:substring($name, 91, 3)
let $VAR_beginPosition := local:computedateTime(
fn:data($root/attributes/*[name(.) = "sensing_start"]))
let $VAR_endPosition := local:computedateTime(
fn:data($root/attributes/*[name(.) = "sensing_stop"]))
let $VAR_creationTime := local:computedateTime(
fn:data($root/attributes/*[name(.) = "creation_time"]))
let $lats_all := fn:data($root/dataset/lat_01/time_01)
let $lons_all := fn:data($root/dataset/lon_01/time_01)
let $VAR_lat_scale := xs:float(fn:data($root/variables/lat_01/attributes/scale_factor))
let $VAR_lon_scale := xs:float(fn:data($root/variables/lon_01/attributes/scale_factor))
let $VAR_lat_offset := xs:float(fn:data($root/variables/lat_01/attributes/add_offset))
let $VAR_lon_offset := xs:float(fn:data($root/variables/lon_01/attributes/add_offset))
let $offset := 0.001
let $axis_name := fn:data($root/variables/lon_01/axisName)
let $count_all := fn:data( $root/variables/lon_01/shape )
let $lons1 := (
for $i in local:getIndices($count_all,xs:boolean("false"))
return local:lon360to180( fn:data( $root/dataset/lon_01/*[name(.) = $axis_name] )[$i] * $VAR_lon_scale + $VAR_lon_offset )
)
let $count_final := fn:count($lons1)
let $lons2 := (
for $index in (1 to $count_final)
let $i := xs:integer($count_final - $index + 1)
return $lons1[$i] + $offset
)
let $lats1 := (
for $i in local:getIndices($count_all,xs:boolean("false"))
return fn:data( $root/dataset/lat_01/*[name(.) = $axis_name] )[$i] * $VAR_lat_scale + $VAR_lat_offset
)
let $lats2 := (
for $index in (1 to $count_final)
let $i := xs:integer($count_final - $index + 1)
return $lats1[$i]
)
let $lats1mod := (
for $lat in $lats1
return
if ( $lat > 85.05115 )
then 85.0511
else if ( $lat < -85.05115 )
then -85.0511
else $lat
)
let $lats2mod := (
for $lat in $lats2
return
if ( $lat > 85.05115 )
then 85.0510
else if ( $lat < -85.05115 )
then -85.0510
else $lat
)
let $lons := (
if ($count_all = 1)
then ( $lons1[1], $lons1[1], $lons1[1] + $offset, $lons1[1] + $offset, $lons1[1] )
else ( $lons1, $lons2, $lons1[1] )
)
let $lats := (
if ($count_all = 1)
then ( $lats1[1], $lats1[1] + $offset, $lats1[1] + $offset, $lats1[1], $lats1[1] )
else ( $lats1, $lats2, $lats1[1] )
)
let $latsmod := (
if ($count_all = 1)
then ( $lats1mod[1], $lats1mod[1] + $offset, $lats1mod[1] + $offset, $lats1mod[1], $lats1mod[1] )
else ( $lats1mod, $lats2mod, $lats1mod[1] )
)
return
(
<!-- ============================================================== -->
<!-- EXTRACTIONS -->
<!-- ============================================================== -->
<!-- Indexed metadata -->
<!-- SATELLITE -->
<!--
{
if ($VAR_missionId = "ENV")
then "Envisat"
else "UNKNOWN"
}
-->
<metadata name="Satellite"
category="summary" type="text/plain">
Envisat
</metadata>,
<!-- INSTRUMENT -->
<!--
{
if ($VAR_dataSource = "RA")
then "RA2"
else "UNKNOWN"
}
-->
<metadata name="Instrument"
category="summary" type="text/plain">
RA2
</metadata>,
<!-- DATE -->
<metadata name="Date"
category="summary" type="text/date+iso8601">
{ $VAR_beginPosition }
</metadata>,
<!-- GML FOOTPRINT -->
<metadata
queryable="GMLfootprint"
category="product"
name="Footprint"
type="application/gml+xml">
<gml:Polygon xmlns:gml="http://www.opengis.net/gml"
srsName="http://www.opengis.net/gml/srs/epsg.xml#4326">
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates>
{
local:getGmlFootprint($lats,$lons)
}
</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon>
</metadata>,
<!-- JTS FOOTPRINT -->
<metadata
queryable="footprint"
category="product"
name="JTS footprint"
type="application/jts">
{
local:getJtsFootprint($latsmod,$lons)
}
</metadata>,
<!-- acquisition -->
<!-- SENSING START -->
<metadata queryable="beginposition" name="Sensing start"
category="product" type="text/date+iso8601">
{ $VAR_beginPosition }
</metadata>,
<!-- SENSING STOP -->
<metadata queryable="endposition" name="Sensing stop"
category="product" type="text/date+iso8601">
{ $VAR_endPosition }
</metadata>,
<!-- platform -->
<!-- PLATFORM NAME -->
<!--
{
if ($VAR_missionId = "ENV")
then "Envisat"
else "UNKNOWN"
}
-->
<metadata queryable="platformname" name="Platform name"
category="platform" type="text/plain">
Envisat
</metadata>,
<!-- PLATFORM SHORT NAME -->
<!--
{
if ($VAR_missionId = "ENV")
then "Envisat"
else "UNKNOWN"
}
-->
<metadata queryable="platformshortname" name="Platform short name"
category="platform" type="text/plain">
Envisat
</metadata>,
<!-- PLATFORM SERIAL IDENTIFIER -->
<metadata queryable="platformserialidentifier" name="Platform serial identifier"
category="platform" type="text/plain">
1
</metadata>,
<!-- PLATFORM NSSDC IDENTIFIER -->
<metadata queryable="platformnssdcidentifier" name="Platform NSSDC identifier"
category="platform" type="text/plain">
2002-009A
</metadata>,
<!-- instrument -->
<!-- INSTRUMENT NAME -->
<!--
{
if ($VAR_dataSource = "RA")
then "Radar Altimeter 2"
else "UNKNOWN"
}
-->
<metadata queryable="instrumentname" name="Instrument name"
category="instrument" type="text/plain">
Radar Altimeter 2
</metadata>,
<!-- INSTRUMENT SHORT NAME -->
<!--
{
if ($VAR_dataSource = "RA")
then "RA2"
else "UNKNOWN"
}
-->
<metadata queryable="instrumentshortname" name="Instrument short name"
category="instrument" type="text/plain">
RA2
</metadata>,
<!-- orbit -->
<!-- ORBIT NUMBER -->
<metadata queryable="orbitnumber" name="Orbit number"
category="product" type="text/integer">
{ xs:integer(fn:data($root/attributes/*[name(.) = "absolute_orbit_number"])) }
</metadata>,
<!-- RELATIVE ORBIT NUMBER -->
<metadata queryable="relativeorbitnumber" name="Relative orbit number"
category="product" type="text/integer">
{ xs:integer(fn:data($root/attributes/*[name(.) = "orbit_number"])) }
</metadata>,
<!-- CYCLE -->
<metadata queryable="cycle" name="Cycle"
category="product" type="text/integer">
{ xs:integer(fn:data($root/attributes/*[name(.) = "cycle_number"])) }
</metadata>,
<!-- PHASE -->
<metadata queryable="phase" name="Phase"
category="product" type="text/integer">
{ xs:integer(fn:data($root/attributes/*[name(.) = "phase"])) }
</metadata>,
<!-- processing -->
<!-- PROCESSING LEVEL -->
<!--
{
if ($VAR_level = "2")
then "Level-2"
else "UNKNOWN"
}
-->
<metadata queryable="processinglevel" name="Processing level"
category="product" type="text/plain">
Level-2
</metadata>,
<!-- GENERATION TIME -->
<metadata name="Generation time"
category="product" type="text/plain">
{ $VAR_creationTime }
</metadata>,
<!-- other -->
<!-- PRODUCT TYPE -->
<metadata queryable="producttype" name="Product type"
category="product" type="text/plain">
{
if ($VAR_dataTypeId = "GDR___")
then "RA2_GDR_2P"
else if ($VAR_dataTypeId = "MWS___")
then "RA2_MWS_2P"
else "UNKNOWN"
}
</metadata>,
<!-- PRODUCT DESCRIPTION -->
<metadata queryable="productdescription" name="Product description"
category="product" type="text/plain">
{ $VAR_title }
</metadata>,
<!-- SIZE -->
<metadata queryable="size" name="Size"
category="summary" type="text/plain">
{
let $size := xs:double(fn:sum(local:computeSizes(., ())))
let $kilo := 1024
let $mega := xs:integer($kilo * 1024)
let $giga := xs:integer($mega * 1024)
let $tera := xs:integer($giga * 1024)
let $kilo_size := local:roundHalfDown(($size div $kilo), 2)
let $mega_size := local:roundHalfDown(($size div $mega), 2)
let $giga_size := local:roundHalfDown(($size div $giga), 2)
let $tera_size := local:roundHalfDown(($size div $tera), 2)
return
if ($size < 1024)
then
concat ($size, " bytes")
else
if (($size div $kilo) < 1024)
then
concat ($kilo_size, " KB")
else
if (($size div $mega) < 1024)
then
concat ($mega_size, " MB")
else
if (($size div $giga) < 1024)
then
concat ($giga_size, " GB")
else
concat ($tera_size, " TB")
}
</metadata>,
<!-- FORMAT -->
<metadata queryable="format" name="Format"
category="product" type="text/plain">
{
if (matches($name, "(?i).*nc"))
then "netCDF"
else "UNKNOWN"
}
</metadata>,
<!-- FILENAME -->
<metadata queryable="filename" name="Filename"
category="summary" type="text/plain">
{ $name }
</metadata>
)
]]>
</dhus:metadataExtractor>
</rdf:Description>
<!--
BASED ON:
https://earth.esa.int/documents/700255/2042507/Vol05_Structures_3f_20150831_v1.pdf
https://earth.esa.int/c/document_library/get_file?folderId=231342&name=DLFE-2136.pdf
https://earth.esa.int/documents/700255/1834061/AMALFI_USER_MANUAL.pdf
https://earth.esa.int/documents/700255/2042507/AnnexA_Data_Convention_3g_20150831_v2.pdf
-->
<!-- ENVISAT.ASA_APM_1P, ENVISAT.ASA_IMM_1P and ENVISAT.ASA_WSM_1P -->
<rdf:Description rdf:about="&envisat;productASAR_image">
<dhus:metadataTypes rdf:parseType="Literal">
<metadataType id="satellite"
name="Satellite"
contentType="text/plain"
category="summary">
</metadataType>
<metadataType id="instrument"
name="Instrument"
contentType="text/plain"
category="summary">
</metadataType>
<metadataType id="date"
name="Date"
contentType="text/date+iso8601"
category="summary">
</metadataType>
<!-- acquisition -->
<metadataType id="beginPosition"
name="Sensing start"
contentType="text/date+iso8601"
category="product">
<solrField name="beginposition"
type="tdate"/>
</metadataType>
<metadataType id="endPosition"
name="Sensing stop"
contentType="text/date+iso8601"
category="product">
<solrField name="endposition"
type="tdate"/>
</metadataType>
<!-- footprint -->
<metadataType id="GMLfootprint"
name="Footprint"
contentType="application/gml+xml"
category="product">
<solrField name="gmlfootprint"
type="string"/>
</metadataType>
<metadataType id="footprint"
name="JTS footprint"
contentType="application/jts"
category="product">
<solrField name="footprint"
type="location_rpt"/>
</metadataType>
<!-- platform -->
<metadataType id="platformName"
name="Platform name"
contentType="text/plain"
category="platform">
<solrField name="platformname"
type="text_general"/>
</metadataType>
<metadataType id="platformShortName"
name="Platform short name"
contentType="text/plain"
category="platform">
<solrField name="platformshortname"
type="text_general"/>
</metadataType>
<metadataType id="platformSerialIdentifier"
name="Platform serial identifier"
contentType="text/plain"
category="platform">
<solrField name="platformserialidentifier"
type="text_general"/>
</metadataType>
<metadataType id="platformNssdcIdentifier"
name="Platform NSSDC identifier"
contentType="text/plain"
category="platform">
<solrField name="platformnssdcidentifier"
type="text_general"/>
</metadataType>
<!-- instrument -->
<metadataType id="instrumentName"
name="Instrument name"
contentType="text/plain"
category="instrument">
<solrField name="instrumentname"
type="text_general"/>
</metadataType>
<metadataType id="instrumentShortName"
name="Instrument short name"
contentType="text/plain"
category="instrument">
<solrField name="instrumentshortname"
type="text_general"/>
</metadataType>
<metadataType id="polarisation"
name="Polarisation"
contentType="text/plain"
category="instrument">
<solrField name="polarisation"
type="text_general"/>
</metadataType>
<metadataType id="polarisationMode"
name="Polarisation mode"
contentType="text/plain"
category="instrument">
<solrField name="polarisationmode"
type="text_general"/>
</metadataType>
<metadataType id="swathIdentifier"
name="Instrument swath"
contentType="text/plain"
category="instrument">
<solrField name="swathidentifier"
type="text_general"/>
</metadataType>
<!-- orbit -->
<metadataType id="orbitNumber"
name="Orbit number"
contentType="text/integer"
category="product">
<solrField name="orbitnumber"
type="int"/>
</metadataType>
<metadataType id="relativeOrbitNumber"
name="Relative orbit number"
contentType="text/integer"
category="product">
<solrField name="relativeorbitnumber"
type="int"/>
</metadataType>
<metadataType id="cycle"
name="Cycle"
contentType="text/integer"
category="product">
<solrField name="cycle"
type="int"/>
</metadataType>
<metadataType id="phase"
name="Phase"
contentType="text/integer"
category="product">
<solrField name="phase"
type="int"/>
</metadataType>
<metadataType id="orbitDirection"
name="Orbit direction"
contentType="text/plain"
category="product">
<solrField name="orbitdirection"
type="text_general"/>
</metadataType>
<!-- processing -->
<metadataType id="processingLevel"
name="Processing level"
contentType="text/plain"
category="product">
<solrField name="processinglevel"
type="text_general"/>
</metadataType>
<!-- other -->
<metadataType id="productType"
name="Product type"
contentType="text/plain"
category="product">
<solrField name="producttype"
type="text_general"/>
</metadataType>
<metadataType id="productDescription"
name="Product description"
contentType="text/plain"
category="product">
<solrField name="productdescription"
type="text_general"/>
</metadataType>
<metadataType id="size"
name="Size"
contentType="text/plain"
category="summary">
<solrField name="size"
type="string"/>
</metadataType>
<metadataType id="format"
name="Format"
contentType="text/plain"
category="product">
<solrField name="format"
type="string"
required="true"/>
</metadataType>