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Diffstat (limited to 'ns/extensions/units/units.ttl')
| -rw-r--r-- | ns/extensions/units/units.ttl | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/ns/extensions/units/units.ttl b/ns/extensions/units/units.ttl new file mode 100644 index 0000000..ccd5cf4 --- /dev/null +++ b/ns/extensions/units/units.ttl @@ -0,0 +1,346 @@ +# LV2 Units Extension +# Copyright 2009-2011 David Robillard +# Copyright 2007 Steve Harris +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +@prefix units: <http://lv2plug.in/ns/extensions/units#> . +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . +@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/> . + +<http://lv2plug.in/ns/extensions/units> + a lv2:Specification ; + doap:name "LV2 Units" ; + doap:shortdesc "Units for LV2 values." ; + doap:created "2007-02-06" ; + 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:maintainer [ + a foaf:Person ; + rdfs:seeAlso <http://plugin.org.uk/swh.xrdf> ; + foaf:homepage <http://plugin.org.uk/> ; + foaf:mbox_sha1sum "44bc4fed584a2d1ac8fc55206db67656165d67fd" ; + foaf:name "Steve Harris" + ], [ + a foaf:Person ; + rdfs:seeAlso <http://drobilla.net/drobilla.rdf> ; + foaf:homepage <http://drobilla.net/> ; + foaf:name "David Robillard" + ] ; + lv2:documentation """ +<p>This extension defines a number of units for use in audio processing.</p> + +<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/> . + +eg:plugin lv2:port [ + a lv2:ControlRateInputPort ; + lv2:datatype lv2:Float ; + lv2:index 0 ; + lv2:symbol "gain" ; + lv2:name "gain" ; + :unit :db +] . +</pre> + +<p>Using the same form, plugins may also specify one-off units inline, to give +better display hints to hosts:</p> +<pre class="turtle-code"> +eg:plugin lv2:port [ + a lv2:ControlRateInputPort ; + lv2:datatype lv2:Float ; + lv2:index 0 ; + lv2:symbol "frob" ; + lv2:name "frob level" ; + units:unit [ + a units:Unit ; + units:name "frobnication" ; + units:symbol "fr" ; + units:render "%f f" + ] +] . +</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> +""" . + +units:Unit a rdfs:Class ; + rdfs:comment "A unit for LV2 port data" . + +units:unit + a rdf:Property ; + rdfs:domain lv2:Port ; + rdfs:range units:Unit ; + rdfs:comment "Relates a port to the unit of its data" . + +units:s a units:Unit ; + units:conversion [ + units:factor 0.0166666666 ; + units:to units:min + ] ; + units:name "second" ; + units:prefixConversion [ + units:factor 1000 ; + units:to units:ms + ] ; + units:render "%f s" ; + units:symbol "s" . + +units:ms a units:Unit ; + units:name "millisecond" ; + units:prefixConversion [ + units:factor 0.001 ; + units:to units:s + ] ; + units:render "%f ms" ; + units:symbol "ms" . + +units:min a units:Unit ; + units:conversion [ + units:factor 60.0 ; + units:to units:s + ] ; + units:name "minute" ; + units:render "%f mins" ; + units:symbol "min" . + +units:bar a units:Unit ; + units:name "bar" ; + units:render "%f bars" ; + units:symbol "bars" . + +units:beat a units:Unit ; + units:name "beat" ; + units:render "%f beats" ; + units:symbol "beats" . + +units:m a units:Unit ; + units:conversion [ + units:factor 39.37 ; + units:to units:inch + ] ; + units:name "metre" ; + units:prefixConversion [ + units:factor 100 ; + units:to units:cm + ], [ + units:factor 1000 ; + units:to units:mm + ], [ + units:factor 0.001 ; + units:to units:km + ] ; + units:render "%f m" ; + units:symbol "m" . + +units:cm a units:Unit ; + units:conversion [ + units:factor 0.3937 ; + units:to units:inch + ] ; + units:name "centimetre" ; + units:prefixConversion [ + units:factor 0.01 ; + units:to units:m + ], [ + units:factor 10 ; + units:to units:mm + ], [ + units:factor 0.00001 ; + units:to units:km + ] ; + units:render "%f cm" ; + units:symbol "cm" . + +units:mm a units:Unit ; + units:conversion [ + units:factor 0.03937 ; + units:to units:inch + ] ; + units:name "millimetre" ; + units:prefixConversion [ + units:factor 0.001 ; + units:to units:m + ], [ + units:factor 0.1 ; + units:to units:cm + ], [ + units:factor 0.000001 ; + units:to units:km + ] ; + units:render "%f mm" ; + units:symbol "mm" . + +units:km a units:Unit ; + units:conversion [ + units:factor 0.62138818 ; + units:to units:mile + ] ; + units:name "kilometre" ; + units:prefixConversion [ + units:factor 1000 ; + units:to units:m + ], [ + units:factor 100000 ; + units:to units:cm + ], [ + units:factor 1000000 ; + units:to units:mm + ] ; + units:render "%f km" ; + units:symbol "km" . + +units:inch a units:Unit ; + units:conversion [ + units:factor 2.54 ; + units:to units:cm + ] ; + units:name "inch" ; + units:render "%f\"" ; + units:symbol "in" . + +units:mile a units:Unit ; + units:conversion [ + units:factor 1.6093 ; + units:to units:km + ] ; + units:name "mile" ; + units:render "%f mi" ; + units:symbol "mi" . + +units:db a units:Unit ; + units:name "decibel" ; + units:render "%f dB" ; + units:symbol "dB" . + +units:pc a units:Unit ; + units:conversion [ + units:factor 0.01 ; + units:to units:coef + ] ; + units:name "percent" ; + units:render "%f%%" ; + units:symbol "%" . + +units:coef a units:Unit ; + units:conversion [ + units:factor 100 ; + units:to units:pc + ] ; + units:name "coefficient" ; + units:render "* %f" ; + units:symbol "" . + +units:hz a units:Unit ; + units:name "hertz" ; + units:prefixConversion [ + units:factor 0.001 ; + units:to units:khz + ], [ + units:factor 0.000001 ; + units:to units:mhz + ] ; + units:render "%f Hz" ; + units:symbol "Hz" . + +units:khz a units:Unit ; + units:name "kilohertz" ; + units:prefixConversion [ + units:factor 1000 ; + units:to units:hz + ], [ + units:factor 0.001 ; + units:to units:mhz + ] ; + units:render "%f kHz" ; + units:symbol "kHz" . + +units:mhz a units:Unit ; + units:name "megahertz" ; + units:prefixConversion [ + units:factor 1000000 ; + units:to units:hz + ], [ + units:factor 0.001 ; + units:to units:khz + ] ; + units:render "%f MHz" ; + units:symbol "MHz" . + +units:bpm a units:Unit ; + units:name "beats per minute" ; + units:prefixConversion [ + units:factor 0.0166666666 ; + units:to units:hz + ] ; + units:render "%f BPM" ; + units:symbol "BPM" . + +units:oct a units:Unit ; + units:conversion [ + units:factor 12.0 ; + units:to units:semitone12TET + ] ; + units:name "octaves" ; + units:render "%f octaves" ; + units:symbol "oct" . + +units:cent a units:Unit ; + units:conversion [ + units:factor 0.01 ; + units:to units:semitone12TET + ] ; + units:name "cent" ; + units:render "%f ct" ; + units:symbol "ct" . + +units:semitone12TET a units:Unit ; + units:conversion [ + units:factor 0.083333333 ; + units:to units:oct + ] ; + units:name "semitone" ; + units:render "%f semi" ; + units:symbol "semi" . + +units:degree a units:Unit ; + units:name "degree" ; + units:render "%f deg" ; + units:symbol "deg" . + +units:midiNote a units:Unit ; + units:name "MIDI note" ; + units:render "MIDI note %d" ; + units:symbol "note" . |