Re-work port-groups to re-use new stuff in the core.

On second thought, re-add port-props extension.

1 files changed, 544 insertions, 354 deletions

diff --git a/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl b/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
index edf5359..c58bbbf 100644
--- a/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
+++ b/lv2/lv2plug.in/ns/ext/port-groups/port-groups.ttl
@@ -1,5 +1,5 @@
 # LV2 Port Groups Extension
-# Copyright 2009-2011 David Robillard <d@drobilla.net>
+# Copyright 2009-2012 David Robillard <d@drobilla.net>
 # Copyright 2008-2009 Lars Luthman <lars.luthman@gmail.com>
 #
 # Permission to use, copy, modify, and/or distribute this software for any
@@ -14,55 +14,51 @@
 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-@prefix pg:   <http://lv2plug.in/ns/ext/port-groups#> .
+@prefix amb:  <http://ambisonics.ch/standards/channels/> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
+@prefix owl:  <http://www.w3.org/2002/07/owl#> .
+@prefix pg:   <http://lv2plug.in/ns/ext/port-groups#> .
 @prefix rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix owl:  <http://www.w3.org/2002/07/owl#> .
 @prefix xsd:  <http://www.w3.org/2001/XMLSchema#> .
-@prefix doap: <http://usefulinc.com/ns/doap#> .
-@prefix foaf: <http://xmlns.com/foaf/0.1/> .
-@prefix amb:  <http://ambisonics.ch/standards/channels/> .
 
-<http://lv2plug.in/ns/ext/port-groups> a lv2:Specification ;
+<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/ext/port-groups>
+	a lv2:Specification ;
 	doap:license <http://opensource.org/licenses/isc> ;
-	doap:name    "LV2 Port Groups" ;
+	doap:name "LV2 Port Groups" ;
 	doap:shortdesc "Multi-channel groups of LV2 ports." ;
 	rdfs:comment "Defines semantic groupings of LV2 ports" ;
-	doap:maintainer [
+	doap:developer [
 		a foaf:Person ;
 		foaf:name "Lars Luthman" ;
-		foaf:mbox <mailto:lars.luthman@gmail.com>
-	] , [
-		a foaf:Person ;
-		foaf:name     "David Robillard" ;
-		foaf:homepage <http://drobilla.net/> ;
-		rdfs:seeAlso  <http://drobilla.net/drobilla.rdf>
-	] .
-
-
-## Core Classes / Properties
-
-pg:Group a rdfs:Class ;
-	rdfs:label "LV2 Port Group" ;
-	rdfs:subClassOf [ a owl:Restriction ;
-		owl:onProperty     lv2:symbol ;
+		foaf:mbox <mailto:lars.luthman@gmail.com> ;
+	] , <http://drobilla.net/drobilla#me> .
+
+pg:Group
+	a rdfs:Class ;
+	rdfs:label "A group of channels or parameters." ;
+	rdfs:subClassOf [
+		a owl:Restriction ;
+		owl:onProperty lv2:symbol ;
 		owl:someValuesFrom xsd:string ;
-		owl:cardinality    1 ;
-        rdfs:comment   """
+		owl:cardinality 1 ;
+		rdfs:comment """
 A pg:Group MUST have exactly one string lv2:symbol.  This symbol must be
 unique according to the same rules as the lv2:symbol for an lv2:Port, where
 group symbols and port symbols reside in the same namespace.  In other words,
 a group on a plugin MUST NOT have the same symbol as another group or a port
-on that plugin.  Rationale: Hosts or bindings may find it useful to construct
-an identifier to refer to groups for the same reasons this is useful for ports.
-"""
-	] ;
-	rdfs:subClassOf [ a owl:Restriction ;
-		owl:onProperty     pg:hasRole ;
-		owl:someValuesFrom pg:RoleAssignment ;
-		owl:minCardinality 1 ;
-        rdfs:comment   "A Group MUST have at least one role assignment"
+on that plugin.  This makes it possible to uniquely reference a port or group
+on a plugin with a single identifier and no context.
+""" ;
 	] ;
 	rdfs:comment """
 A grouping of ports that can be logically considered a single "stream", e.g.
@@ -70,54 +66,38 @@ two audio ports in a group may form a stereo stream.  The pg:source predicate
 can also be used to describe this correspondence between separate ports/groups.
 """ .
 
-pg:index a rdf:Property ;
-    rdfs:domain  pg:RoleAssignment ;
-    rdfs:range   xsd:nonNegativeInteger ;
-    rdfs:label   "index" ;
-    rdfs:comment "Index of a role within some group" .
-
-pg:RoleAssignment a rdfs:Class ;
-	rdfs:label "Role Assignment" ;
-	rdfs:comment "A numbered role within some Group." ;
-	rdfs:subClassOf [ a owl:Restriction ;
-		owl:onProperty     pg:index ;
-		owl:cardinality    1 ;
-        rdfs:comment """
-A RoleAssignment MUST have exactly one index.
-""" ] ;
-	rdfs:subClassOf [ a owl:Restriction ;
-		owl:onProperty     pg:role ;
-		owl:cardinality    1 ;
-        rdfs:comment """
-A RoleAssignment MUST have exactly one role.
-""" ] ;
-    rdfs:comment """
-All group definitions MUST define the order of channels.  Note that this
-does not have anything to do with port indices, this information is only
-defined here for use by other extensions.  For simply assigning groups
-and roles to a basic LV2 plugin, index is irrelevant.
-""" .
-
-pg:hasRole a rdf:Property ;
-	rdfs:domain  pg:Group ;
-	rdfs:range   pg:Role ;
-	rdfs:label   "Has port with role" ;
+pg:Element
+	a rdfs:Class ;
+	rdfs:label "Element" ;
+	rdfs:comment "An ordered element of a group." ;
+	rdfs:subClassOf [
+		a owl:Restriction ;
+		owl:onProperty lv2:index ;
+		owl:maxCardinality 1 ;
+		rdfs:comment "An element has at most one lv2:index." ;
+	] , [
+		a owl:Restriction ;
+		owl:onProperty lv2:designation ;
+		owl:cardinality 1 ;
+		rdfs:comment "An element MUST have exactly one lv2:designation." ;
+	] ;
 	rdfs:comment """
-Indicates that a group always has a port with a particular role.
+An element of a group, which has a designation and an optional index.
 """ .
 
-pg:mayHaveRole a rdf:Property ;
-	rdfs:domain  pg:Group ;
-	rdfs:range   pg:Role ;
-	rdfs:label   "May have port with role" ;
+pg:element
+	a rdf:Property ;
+	rdfs:domain pg:Group ;
+    rdfs:range pg:Element ;
+	rdfs:label "element" ;
 	rdfs:comment """
-Indicates that a group may have a port with a particular role.
+Indicates that a group has a certain element (a parameter or channel
+designation with a possible index).
 """ .
 
-pg:sideChainOf a rdf:Property ;
-	rdfs:domain  pg:Group , lv2:Port ;
-	rdfs:range   pg:Group , lv2:Port ;
-	rdfs:label   "Side-chain of" ;
+pg:sideChainOf
+	a rdf:Property ;
+	rdfs:label "Side-chain of" ;
 	rdfs:comment """
 Indicates that this port or group should be considered a "side chain" of
 some other port or group.  The precise definition of "side chain" depends
@@ -125,74 +105,54 @@ on the plugin, but in general this group should be considered a modifier to
 some other group, rather than an independent input itself.
 """ .
 
-pg:subGroupOf a rdf:Property ;
-	rdfs:domain  pg:Group ;
-	rdfs:range   pg:Group ;
-	rdfs:label   "Sub-group of" ;
+pg:subGroupOf
+	a rdf:Property ;
+	rdfs:domain pg:Group ;
+	rdfs:range pg:Group ;
+	rdfs:label "Sub-group of" ;
 	rdfs:comment """
-Indicates that this group is a child of another group.  This property has
-no meaning with respect to plugin execution, but the host may find this
-information useful (e.g. to provide a compact user interface).  Note that
-all groups on a plugin MUST have a unique symbol with respect to the plugin
-as documented for pg:Group, i.e. sub-groups must have a unique symbol among
-all groups and ports on the plugin.
+Indicates that this group is a child of another group.  This property has no
+meaning with respect to plugin execution, but the host may find this
+information useful (e.g. to provide a compact user interface).  Note that being
+a sub-group does not relax the restriction that the group MUST have a unique
+symbol.
 """ .
 
-pg:source a rdf:Property ;
-	rdfs:domain  pg:Group , lv2:Port ;
-	rdfs:range   pg:Group , lv2:Port ;
-	rdfs:label   "Source group" ;
+pg:source
+	a rdf:Property ;
+	rdfs:label "Source" ;
 	rdfs:comment """
 Indicates that this port or group should be considered the "result" of
 some other port or group.  This property only makes sense on groups with
 outputs when the source is a group with inputs.  This can be used to convey
 a relationship between corresponding input and output groups with different
-types, e.g.  a mono->stereo plugin.
+types, e.g. a mono->stereo plugin.
 """ .
 
-pg:mainGroup a rdf:Property ;
-	rdfs:domain  lv2:Plugin ;
-	rdfs:range   pg:Group ;
-	rdfs:label   "Main port group" ;
+pg:mainGroup
+	a rdf:Property ;
+	rdfs:domain lv2:Plugin ;
+	rdfs:range pg:Group ;
+	rdfs:label "Main port group" ;
 	rdfs:comment """
 Indicates that this group should be considered the "main" inputs/outputs of
 the plugin, e.g. it probably makes sense to just connect main groups and set
-some controls.  A plugin MUST NOT have more than one :mainGroup property.
+some controls.  A plugin MUST NOT have more than one pg:mainGroup property.
 High-level hosts that simply want to insert an plugin in a given stream
 should use this property to determine where the plugin 'fits'.
 """ .
 
-pg:inGroup a rdf:Property ;
-	rdfs:domain  lv2:Port ;
-	rdfs:range   pg:Group ;
-	rdfs:label   "In port group" ;
+pg:inGroup
+	a rdf:Property ;
+	rdfs:domain lv2:Port ;
+	rdfs:range pg:Group ;
+	rdfs:label "In port group" ;
 	rdfs:comment """
 Indicates that this port is a part of a group of ports on the plugin.
-Ports that have a meaningful "role" that may be useful to hosts SHOULD also
-have a :role property, otherwise ports in the group have no meaningful order.
 """ .
 
-pg:Role a rdfs:Class ;
-	rdfs:label   "Port role" ;
-	rdfs:comment """
-The role of a port with respect to its plugin or group.  If the port is a
-member of a group (has an :inGroup property) the role is relevant with respect
-to that group.  Otherwise the role is relevant with respect to the plugin.
-""" .
-
-pg:role a rdf:Property ;
-	rdfs:range   pg:Role ;
-	rdfs:label   "Role" ;
-	rdfs:comment """
-Indicates that this port has a particular role with respect to its enclosing
-plugin or group (whichever is smaller).  A port may have several roles if it
-makes sense to do so (though some Role or Group definition may forbid this).
-""" .
-
-
-# Discrete
-
-pg:DiscreteGroup a rdfs:Class ;
+pg:DiscreteGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:Group ;
 	rdfs:comment """
 "Discrete" channel configurations.  These groups are divided into channels
@@ -200,109 +160,254 @@ where each represents a particular speaker location.  The position of sound
 in one of these groups depends on a particular speaker configuration.
 """ .
 
-pg:leftChannel        a pg:Role ; rdfs:label "Left" .
-pg:rightChannel       a pg:Role ; rdfs:label "Right" .
-pg:centerChannel      a pg:Role ; rdfs:label "Center" .
-pg:sideChannel        a pg:Role ; rdfs:label "Side" .
-pg:centerLeftChannel  a pg:Role ; rdfs:label "Center Left" .
-pg:centerRightChannel a pg:Role ; rdfs:label "Center Right" .
-pg:sideLeftChannel    a pg:Role ; rdfs:label "Side Left" .
-pg:sideRightChannel   a pg:Role ; rdfs:label "Side Right" .
-pg:rearLeftChannel    a pg:Role ; rdfs:label "Rear Left" .
-pg:rearRightChannel   a pg:Role ; rdfs:label "Rear Right" .
-pg:rearCenterChannel  a pg:Role ; rdfs:label "Rear Center" .
-pg:lfeChannel         a pg:Role ; rdfs:label "Sub (LFE)" .
-
-pg:MonoGroup a rdfs:Class ;
+pg:left
+	a lv2:Channel ;
+	rdfs:label "Left" .
+
+pg:right
+	a lv2:Channel ;
+	rdfs:label "Right" .
+
+pg:center
+	a lv2:Channel ;
+	rdfs:label "Center" .
+
+pg:side
+	a lv2:Channel ;
+	rdfs:label "Side" .
+
+pg:centerLeft
+	a lv2:Channel ;
+	rdfs:label "Center Left" .
+
+pg:centerRight
+	a lv2:Channel ;
+	rdfs:label "Center Right" .
+
+pg:sideLeft
+	a lv2:Channel ;
+	rdfs:label "Side Left" .
+
+pg:sideRight
+	a lv2:Channel ;
+	rdfs:label "Side Right" .
+
+pg:rearLeft
+	a lv2:Channel ;
+	rdfs:label "Rear Left" .
+
+pg:rearRight
+	a lv2:Channel ;
+	rdfs:label "Rear Right" .
+
+pg:rearCenter
+	a lv2:Channel ;
+	rdfs:label "Rear Center" .
+
+pg:lowFrequencyEffects
+	a lv2:Channel ;
+	rdfs:label "Low-Frequency Effects (LFE)" .
+
+pg:MonoGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "Mono" ;
-	pg:hasRole [ pg:index 0; pg:role pg:centerChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:center ;
+	] .
 
-pg:StereoGroup a rdfs:Class ;
+pg:StereoGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "Stereo" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:rightChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:right ;
+	] .
 
-pg:MidSideGroup a rdfs:Class ;
+pg:MidSideGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "Mid-Side Stereo" ;
-	pg:hasRole [ pg:index 0; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:sideChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:side ;
+	] .
 
-pg:ThreePointZeroGroup a rdfs:Class ;
+pg:ThreePointZeroGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "3.0 Surround" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rearCenterChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:rearCenter ;
+	] .
 
-pg:FourPointZeroGroup a rdfs:Class ;
+pg:FourPointZeroGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "4.0 Surround (Quadraphonic)" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:rearCenterChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:rearCenter ;
+	] .
 
-pg:FivePointZeroGroup a rdfs:Class ;
+pg:FivePointZeroGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "5.0 Surround (3-2 stereo)" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:rearLeftChannel ] ;
-	pg:hasRole [ pg:index 4; pg:role pg:rearRightChannel ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:rearLeft ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation pg:rearRight ;
+	] .
 
-pg:FivePointOneGroup a rdfs:Class ;
+pg:FivePointOneGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "5.1 Surround (3-2 stereo)" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:rearLeftChannel ] ;
-	pg:hasRole [ pg:index 4; pg:role pg:rearRightChannel ] ;
-	pg:hasRole [ pg:index 5; pg:role pg:lfeChannel ] .
-
-pg:SixPointOneGroup a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:rearLeft ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation pg:rearRight ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation pg:lowFrequencyEffects ;
+	] .
+
+pg:SixPointOneGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "6.1 Surround" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:sideLeftChannel ] ;
-	pg:hasRole [ pg:index 4; pg:role pg:sideRightChannel ] ;
-	pg:hasRole [ pg:index 5; pg:role pg:rearCenterChannel ] ;
-	pg:hasRole [ pg:index 6; pg:role pg:lfeChannel ] .
-
-pg:SevenPointOneGroup a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:sideLeft ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation pg:sideRight ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation pg:rearCenter ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation pg:lowFrequencyEffects ;
+	] .
+
+pg:SevenPointOneGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "7.1 Surround" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:sideLeftChannel ] ;
-	pg:hasRole [ pg:index 4; pg:role pg:sideRightChannel ] ;
-	pg:hasRole [ pg:index 5; pg:role pg:rearLeftChannel ] ;
-	pg:hasRole [ pg:index 6; pg:role pg:rearRightChannel ] ;
-	pg:hasRole [ pg:index 7; pg:role pg:lfeChannel ] .
-
-pg:SevenPointOneWideGroup a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:sideLeft ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation pg:sideRight ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation pg:rearLeft ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation pg:rearRight ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation pg:lowFrequencyEffects ;
+	] .
+
+pg:SevenPointOneWideGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:DiscreteGroup ;
 	rdfs:label "7.1 Surround (Wide)" ;
-	pg:hasRole [ pg:index 0; pg:role pg:leftChannel ] ;
-	pg:hasRole [ pg:index 1; pg:role pg:centerLeftChannel ] ;
-	pg:hasRole [ pg:index 2; pg:role pg:centerChannel ] ;
-	pg:hasRole [ pg:index 3; pg:role pg:centerRightChannel ] ;
-	pg:hasRole [ pg:index 4; pg:role pg:rightChannel ] ;
-	pg:hasRole [ pg:index 5; pg:role pg:rearLeftChannel ] ;
-	pg:hasRole [ pg:index 6; pg:role pg:rearRightChannel ] ;
-	pg:hasRole [ pg:index 7; pg:role pg:lfeChannel ] .
-
-
-# Ambisonic
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation pg:left ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation pg:centerLeft ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation pg:center ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation pg:centerRight ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation pg:right ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation pg:rearLeft ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation pg:rearRight ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation pg:lowFrequencyEffects ;
+	] .
 
-pg:AmbisonicGroup a rdfs:Class ;
+pg:AmbisonicGroup
+	a rdfs:Class ;
 	rdfs:subClassOf pg:Group ;
 	rdfs:comment """
 "Ambisonic" channel configurations.  These groups are divided into channels
@@ -312,179 +417,264 @@ speaker configuration; a decoder can be used to convert an ambisonic stream
 for any speaker configuration.
 """ .
 
-#amb:ACN0  a pg:Role ; rdfs:label "ACN 0 (W)" .
-#amb:ACN1  a pg:Role ; rdfs:label "ACN 1 (Y)" .
-#amb:ACN2  a pg:Role ; rdfs:label "ACN 2 (Z)" .
-#amb:ACN3  a pg:Role ; rdfs:label "ACN 3 (X)" .
-#amb:ACN4  a pg:Role ; rdfs:label "ACN 4 (V)" .
-#amb:ACN5  a pg:Role ; rdfs:label "ACN 5 (T)" .
-#amb:ACN6  a pg:Role ; rdfs:label "ACN 6 (R)" .
-#amb:ACN7  a pg:Role ; rdfs:label "ACN 7 (S)" .
-#amb:ACN8  a pg:Role ; rdfs:label "ACN 8 (U)" .
-#amb:ACN9  a pg:Role ; rdfs:label "ACN 9 (Q)" .
-#amb:ACN10 a pg:Role ; rdfs:label "ACN 10 (O)" .
-#amb:ACN11 a pg:Role ; rdfs:label "ACN 11 (M)" .
-#amb:ACN12 a pg:Role ; rdfs:label "ACN 12 (K)" .
-#amb:ACN13 a pg:Role ; rdfs:label "ACN 13 (L)" .
-#amb:ACN14 a pg:Role ; rdfs:label "ACN 14 (N)" .
-#amb:ACN15 a pg:Role ; rdfs:label "ACN 15 (P)" .
-
-pg:AmbisonicBH1P0Group a rdfs:Class ;
+pg:AmbisonicBH1P0Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 1 and peripheral order 0." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN3 ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN3 ;
+	] .
 
-pg:AmbisonicBH1P1Group a rdfs:Class ;
+pg:AmbisonicBH1P1Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 1 and peripheral order 1." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN3 ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] .
 
-pg:AmbisonicBH2P0Group a rdfs:Class ;
+pg:AmbisonicBH2P0Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 2 and peripheral order 0." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 4; pg:role amb:ACN8 ] .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN8 ;
+	] .
 
-pg:AmbisonicBH2P1Group a rdfs:Class ;
+pg:AmbisonicBH2P1Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 2 and peripheral order 1." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 4; pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 5; pg:role amb:ACN8 ] .
-
-pg:AmbisonicBH2P2Group a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN8 ;
+	] .
+
+pg:AmbisonicBH2P2Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 2 and peripheral order 2." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 4; pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 5; pg:role amb:ACN5 ] ;
-	pg:hasRole [ pg:index 6; pg:role amb:ACN6 ] ;
-	pg:hasRole [ pg:index 7; pg:role amb:ACN7 ] ;
-	pg:hasRole [ pg:index 8; pg:role amb:ACN8 ] .
-
-pg:AmbisonicBH3P0Group a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN5 ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation amb:ACN6 ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation amb:ACN7 ;
+	] , [
+		lv2:index 8 ;
+		lv2:designation amb:ACN8 ;
+	] .
+
+pg:AmbisonicBH3P0Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 3 and peripheral order 0." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 4; pg:role amb:ACN8 ] ;
-	pg:hasRole [ pg:index 5; pg:role amb:ACN9 ] ;
-	pg:hasRole [ pg:index 6; pg:role amb:ACN15 ] .
-
-pg:AmbisonicBH3P1Group a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN8 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN9 ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation amb:ACN15 ;
+	] .
+
+pg:AmbisonicBH3P1Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 3 and peripheral order 1." ;
-	pg:hasRole [ pg:index 0; pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1; pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2; pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3; pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 4; pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 5; pg:role amb:ACN8 ] ;
-	pg:hasRole [ pg:index 6; pg:role amb:ACN9 ] ;
-	pg:hasRole [ pg:index 7; pg:role amb:ACN15 ] .
-
-pg:AmbisonicBH3P2Group a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN8 ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation amb:ACN9 ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation amb:ACN15 ;
+	] .
+
+pg:AmbisonicBH3P2Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 3 and peripheral order 2." ;
-	pg:hasRole [ pg:index 0;  pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1;  pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2;  pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3;  pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 4;  pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 5;  pg:role amb:ACN5 ] ;
-	pg:hasRole [ pg:index 6;  pg:role amb:ACN6 ] ;
-	pg:hasRole [ pg:index 7;  pg:role amb:ACN7 ] ;
-	pg:hasRole [ pg:index 8;  pg:role amb:ACN8 ] ;
-	pg:hasRole [ pg:index 9;  pg:role amb:ACN9 ] ;
-	pg:hasRole [ pg:index 10; pg:role amb:ACN15 ] .
-
-pg:AmbisonicBH3P3Group a rdfs:Class ;
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN5 ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation amb:ACN6 ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation amb:ACN7 ;
+	] , [
+		lv2:index 8 ;
+		lv2:designation amb:ACN8 ;
+	] , [
+		lv2:index 9 ;
+		lv2:designation amb:ACN9 ;
+	] , [
+		lv2:index 10 ;
+		lv2:designation amb:ACN15 ;
+	] .
+
+pg:AmbisonicBH3P3Group
+	a rdfs:Class ;
 	rdfs:subClassOf pg:AmbisonicGroup ;
 	rdfs:label "Ambisonic B stream of horizontal order 3 and peripheral order 3." ;
-	pg:hasRole [ pg:index 0;  pg:role amb:ACN0 ] ;
-	pg:hasRole [ pg:index 1;  pg:role amb:ACN1 ] ;
-	pg:hasRole [ pg:index 2;  pg:role amb:ACN2 ] ;
-	pg:hasRole [ pg:index 3;  pg:role amb:ACN3 ] ;
-	pg:hasRole [ pg:index 4;  pg:role amb:ACN4 ] ;
-	pg:hasRole [ pg:index 5;  pg:role amb:ACN5 ] ;
-	pg:hasRole [ pg:index 6;  pg:role amb:ACN6 ] ;
-	pg:hasRole [ pg:index 7;  pg:role amb:ACN7 ] ;
-	pg:hasRole [ pg:index 8;  pg:role amb:ACN8 ] ;
-	pg:hasRole [ pg:index 9;  pg:role amb:ACN9 ] ;
-	pg:hasRole [ pg:index 10; pg:role amb:ACN10 ] ;
-	pg:hasRole [ pg:index 11; pg:role amb:ACN11 ] ;
-	pg:hasRole [ pg:index 12; pg:role amb:ACN12 ] ;
-	pg:hasRole [ pg:index 13; pg:role amb:ACN13 ] ;
-	pg:hasRole [ pg:index 14; pg:role amb:ACN14 ] ;
-	pg:hasRole [ pg:index 15; pg:role amb:ACN15 ] .
-
-
-# Controls
-
-pg:ControlGroup a rdfs:Class ;
-	rdfs:subClassOf pg:Group ;
-	rdfs:comment """
-A group representing a set of associated controls.
-""" .
-
-pg:amplitude          a pg:Role ; rdfs:label "Amplitude" .
-pg:attack             a pg:Role ; rdfs:label "Attack" .
-pg:cutoffFrequency    a pg:Role ; rdfs:label "Cutoff Frequency" .
-pg:decay              a pg:Role ; rdfs:label "Decay" .
-pg:delay              a pg:Role ; rdfs:label "Delay" .
-pg:frequency          a pg:Role ; rdfs:label "Frequency" .
-pg:hold               a pg:Role ; rdfs:label "Hold" .
-pg:pulseWidth         a pg:Role ; rdfs:label "Pulse Width" .
-pg:ratio              a pg:Role ; rdfs:label "Ratio" .
-pg:release            a pg:Role ; rdfs:label "Release" .
-pg:resonance          a pg:Role ; rdfs:label "Resonance" .
-pg:sustain            a pg:Role ; rdfs:label "Sustain" .
-pg:threshold          a pg:Role ; rdfs:label "Threshold" .
-pg:waveform           a pg:Role ; rdfs:label "Waveform" .
-
-pg:EnvelopeControlGroup a rdfs:Class ;
-	rdfs:subClassOf pg:ControlGroup ;
-	rdfs:label "Controls for a DAHDSR envelope." ;
-	pg:mayHaveRole pg:delay ;
-	pg:mayHaveRole pg:attack ;
-	pg:mayHaveRole pg:hold ;
-	pg:mayHaveRole pg:decay ;
-	pg:mayHaveRole pg:sustain ;
-	pg:mayHaveRole pg:release .
-
-pg:OscillatorControlGroup a rdfs:Class ;
-	rdfs:subClassOf pg:ControlGroup ;
-	rdfs:label "Controls for an oscillator." ;
-	pg:mayHaveRole pg:frequency ;
-	pg:mayHaveRole pg:amplitude ;
-	pg:mayHaveRole pg:waveform ;
-	pg:mayHaveRole pg:pulseWidth .
-
-pg:FilterControlGroup a rdfs:Class ;
-	rdfs:subClassOf pg:ControlGroup ;
-	rdfs:label "Controls for a filter." ;
-	pg:mayHaveRole pg:cutoffFrequency ;
-	pg:mayHaveRole pg:resonance .
-
-pg:CompressorControlGroup a rdfs:Class ;
-	rdfs:subClassOf pg:ControlGroup ;
-	rdfs:label "Controls for a compressor." ;
-	pg:mayHaveRole pg:threshold ;
-	pg:mayHaveRole pg:ratio .
+	pg:element [
+		lv2:index 0 ;
+		lv2:designation amb:ACN0 ;
+	] , [
+		lv2:index 1 ;
+		lv2:designation amb:ACN1 ;
+	] , [
+		lv2:index 2 ;
+		lv2:designation amb:ACN2 ;
+	] , [
+		lv2:index 3 ;
+		lv2:designation amb:ACN3 ;
+	] , [
+		lv2:index 4 ;
+		lv2:designation amb:ACN4 ;
+	] , [
+		lv2:index 5 ;
+		lv2:designation amb:ACN5 ;
+	] , [
+		lv2:index 6 ;
+		lv2:designation amb:ACN6 ;
+	] , [
+		lv2:index 7 ;
+		lv2:designation amb:ACN7 ;
+	] , [
+		lv2:index 8 ;
+		lv2:designation amb:ACN8 ;
+	] , [
+		lv2:index 9 ;
+		lv2:designation amb:ACN9 ;
+	] , [
+		lv2:index 10 ;
+		lv2:designation amb:ACN10 ;
+	] , [
+		lv2:index 11 ;
+		lv2:designation amb:ACN11 ;
+	] , [
+		lv2:index 12 ;
+		lv2:designation amb:ACN12 ;
+	] , [
+		lv2:index 13 ;
+		lv2:designation amb:ACN13 ;
+	] , [
+		lv2:index 14 ;
+		lv2:designation amb:ACN14 ;
+	] , [
+		lv2:index 15 ;
+		lv2:designation amb:ACN15 ;
+	] .