From df79255ccef7fb5d091e9d4e52f3c46545b53282 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 21 Nov 2011 00:46:27 +0000
Subject: Define undefined resources.
---
ns/extensions/units/manifest.ttl | 2 +-
ns/extensions/units/units.ttl | 106 ++++++++++++++++++++++++++++++++-------
2 files changed, 88 insertions(+), 20 deletions(-)
(limited to 'ns/extensions/units')
diff --git a/ns/extensions/units/manifest.ttl b/ns/extensions/units/manifest.ttl
index 2c41838..fb5e949 100644
--- a/ns/extensions/units/manifest.ttl
+++ b/ns/extensions/units/manifest.ttl
@@ -4,6 +4,6 @@
<http://lv2plug.in/ns/extensions/units>
a lv2:Specification ;
lv2:minorVersion 5 ;
- lv2:microVersion 2 ;
+ lv2:microVersion 4 ;
rdfs:seeAlso <units.ttl> .
diff --git a/ns/extensions/units/units.ttl b/ns/extensions/units/units.ttl
index ccd5cf4..ab33723 100644
--- a/ns/extensions/units/units.ttl
+++ b/ns/extensions/units/units.ttl
@@ -20,6 +20,21 @@
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
+@prefix dcs: <http://ontologi.es/doap-changeset#> .
+
+<http://plugin.org.uk/swh.xrdf#me>
+ a foaf:Person ;
+ foaf:name "Steve Harris" ;
+ foaf:homepage <http://plugin.org.uk/> ;
+ rdfs:seeAlso <http://plugin.org.uk/swh.xrdf> .
+
+<http://drobilla.net/drobilla#me>
+ a foaf:Person ;
+ foaf:name "David Robillard" ;
+ foaf:homepage <http://drobilla.net/> ;
+ foaf:mbox <mailto:d@drobilla.net> ;
+ rdfs:seeAlso <http://drobilla.net/drobilla> .
<http://lv2plug.in/ns/extensions/units>
a lv2:Specification ;
@@ -29,8 +44,18 @@
doap:homepage <http://lv2plug.in/ns/extensions/units> ;
doap:license <http://opensource.org/licenses/isc-license> ;
doap:release [
- doap:revision "5.2" ;
- doap:created "2011-08-21"
+ doap:revision "5.4" ;
+ doap:created "2011-11-20" ;
+ dcs:blame <http://drobilla.net/drobilla#me> ;
+ dcs:changeset [
+ dcs:item [
+ rdfs:label "Define used but undefined resources (units:name, units:render, units:symbol, units:Conversion, units:conversion, units:prefixConversion, units:to, and units:factor)."
+ ] , [
+ rdfs:label "Update packaging."
+ ] , [
+ rdfs:label "Improve documentation."
+ ]
+ ]
] ;
doap:maintainer [
a foaf:Person ;
@@ -49,8 +74,8 @@
<p>For example, to say that a gain port's value is in decibels (units:db)</p>
<pre class="turtle-code">
-@prefix : <http://lv2plug.in/ns/extensions/units#> .
-@prefix eg: <http://example.org/> .
+@prefix units: <http://lv2plug.in/ns/extensions/units#> .
+@prefix eg: <http://example.org/> .
eg:plugin lv2:port [
a lv2:ControlRateInputPort ;
@@ -58,7 +83,7 @@ eg:plugin lv2:port [
lv2:index 0 ;
lv2:symbol "gain" ;
lv2:name "gain" ;
- :unit :db
+ units:unit units:db
] .
</pre>
@@ -80,20 +105,10 @@ eg:plugin lv2:port [
] .
</pre>
-<p>Units are defined by a number of properties:</p>
-<dl>
-<dt>units:name</dt>
-<dd>A display name for the unit (eg. decibels)</dd>
-<dt>units:symbol</dt>
-<dd>The abbreviated symbol for the unit (eg. dB)</dd>
-<dt>units:render</dt>
-<dd>A printf(3) string to be used to render the numerical value (eg. \"%f dB\")</dd>
-<dt>units:conversion</dt>
-<dd>Defines a conversion into another unit, commonly the SI unit for the
-unit class (eg. units:conversion [ units:to units:m ; units:factor 1000 ]).
-conversions are expressed as either factors (multiplicand for the conversion)
-or offsets (addend for the conversion).</dd>
-</dl>
+<p>It is also possible to define conversions between various units, which makes
+it possible for hosts to automatically and generically convert from a given
+unit to a desired unit. The units defined in this extension include conversion
+definitions where it makes sense to do so.</p>
""" .
units:Unit a rdfs:Class ;
@@ -105,6 +120,59 @@ units:unit
rdfs:range units:Unit ;
rdfs:comment "Relates a port to the unit of its data" .
+units:name
+ a rdf:Property ;
+ rdfs:domain units:Unit ;
+ rdfs:range xsd:string ;
+ rdfs:comment "A display name for the unit (e.g. decibels)." .
+
+units:render
+ a rdf:Property ;
+ rdfs:domain units:Unit ;
+ rdfs:range xsd:string ;
+ rdfs:comment "A printf format string for rendering a value (eg. \"%f dB\")." .
+
+units:symbol
+ a rdf:Property ;
+ rdfs:domain units:Unit ;
+ rdfs:range xsd:string ;
+ rdfs:comment "The abbreviated symbol for the unit (e.g. dB)." .
+
+units:Conversion
+ a rdfs:Class ;
+ rdfs:comment "A conversion from one unit to another." .
+
+units:conversion
+ a rdf:Property ;
+ rdfs:domain units:Unit ;
+ rdfs:range units:Conversion ;
+ rdfs:comment "A conversion from this unit to another." .
+
+units:prefixConversion
+ a rdf:Property ;
+ rdfs:subPropertyOf units:conversion ;
+ rdfs:domain units:Unit ;
+ rdfs:range units:Conversion ;
+ rdfs:comment """
+A conversion from this unit to the same unit but with a different SI prefix
+(e.g. Hz to kHz).
+""" .
+
+units:to
+ a rdf:Property ;
+ rdfs:domain units:Conversion ;
+ rdfs:range units:Unit ;
+ rdfs:comment "The target unit this conversion converts to." .
+
+units:factor
+ a rdf:Property ;
+ rdfs:domain units:Conversion ;
+ rdfs:range units:Unit ;
+ rdfs:comment """
+The factor to multiple the source value by in order to convert
+to the target unit.
+""" .
+
units:s a units:Unit ;
units:conversion [
units:factor 0.0166666666 ;
--
cgit v1.2.1