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rism-digital
tie / stem collision
In this example, the tie does not recognizes the stem. Note that the beam direction is explicitly defined by @stem.dir="up".
Verovio, versions 3.0.1-7cda52c, 3.1.0-dev-b649cbf:
Correct version would be:
(Neue Mozart Ausgabe, K. 330/003)
MEI:
<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://music-encoding.org/schema/4.0.1/mei-all.rng" type="application/xml" schematypens="http://relaxng.org/ns/structure/1.0"?>
<?xml-model href="https://music-encoding.org/schema/4.0.1/mei-all.rng" type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<mei meiversion="4.0.0" xmlns="http://www.music-encoding.org/ns/mei">
<meiHead meiversion="4.0.1">
<fileDesc>
<titleStmt>
<title label="NMA digital" type="unit">an example</title>
</titleStmt>
<pubStmt/>
</fileDesc>
</meiHead>
<music meiversion="4.0.1">
<body>
<mdiv n="1" xml:id="mdiv_72">
<score xml:id="score_78">
<scoreDef key.mode="major" key.pname="c" key.sig="0" meter.count="2" meter.unit="4" xml:id="scoreDef_01">
<staffGrp bar.thru="true" symbol="brace" xml:id="staffGrp_01">
<staffDef clef.line="2" clef.shape="G" key.sig="0" lines="5" n="1" xml:id="staffDef_P1"/>
<staffDef clef.line="4" clef.shape="F" key.sig="0" lines="5" n="2" xml:id="staffDef_P2"/>
</staffGrp>
</scoreDef>
<section xml:id="section_A_m1-2">
<measure n="1" xml:id="m1">
<staff n="1" xml:id="staff_120">
<layer n="1" xml:id="layer_126">
<beam xml:id="beam_132">
<tuplet bracket.visible="false" num="3" num.visible="false" numbase="2" xml:id="tuplet_138">
<note accid="f" dur="16" oct="5" pname="b" tstamp="1" xml:id="note_144"/>
<note dur="16" oct="5" pname="a" tstamp="1.16667" xml:id="note_150"/>
<note dur="16" oct="5" pname="g" tstamp="1.33333" xml:id="note_156"/>
</tuplet>
</beam>
<beam xml:id="beam_162">
<tuplet bracket.visible="false" num="3" num.visible="false" numbase="2" xml:id="tuplet_168">
<note dur="16" oct="5" pname="f" tstamp="1.5" xml:id="note_174"/>
<note dur="16" oct="5" pname="e" tstamp="1.66667" xml:id="note_180"/>
<note dur="16" oct="5" pname="d" tstamp="1.83333" xml:id="note_186"/>
</tuplet>
</beam>
<beam xml:id="beam_192">
<tuplet bracket.visible="false" num="3" num.visible="false" numbase="2" xml:id="tuplet_198">
<note dur="16" oct="5" pname="c" tstamp="2" xml:id="note_204"/>
<note dur="16" oct="5" pname="d" tstamp="2.16667" xml:id="note_210"/>
<note dur="16" oct="5" pname="c" tstamp="2.33333" xml:id="note_216"/>
</tuplet>
</beam>
<beam xml:id="beam_222">
<tuplet bracket.visible="false" num="3" num.visible="false" numbase="2" xml:id="tuplet_228">
<note accid="f" dur="16" oct="4" pname="b" tstamp="2.5" xml:id="note_234"/>
<note dur="16" oct="4" pname="a" tstamp="2.66667" xml:id="note_240"/>
<note accid="s" dur="16" oct="4" pname="g" tstamp="2.83333" xml:id="note_246"/>
</tuplet>
</beam>
</layer>
</staff>
<staff n="2" xml:id="staff_252">
<layer n="1" xml:id="layer_258">
<note dur="2" oct="4" pname="c" tstamp="1" xml:id="note_264"/>
</layer>
<layer n="2" xml:id="layer_270">
<note dots="1" dur="4" oct="3" pname="g" stem.dir="up" tstamp="1" xml:id="note_276"/>
<note accid="f" dur="8" oct="3" pname="b" stem.dir="up" tstamp="2.5" xml:id="note_282"/>
</layer>
<layer n="3" xml:id="layer_288">
<note dur="2" oct="3" pname="e" stem.dir="down" tstamp="1" xml:id="note_294"/>
</layer>
</staff>
<supplied reason="NMAsource_B" resp="#NMA-editors" xml:id="supplied_300">
<dynam staff="2" startid="#note_264" xml:id="dynam_306">f</dynam>
</supplied>
<slur curvedir="below" endid="#note_450" staff="2" startid="#note_294" xml:id="slur_318"/>
<tie endid="#note_426" staff="2" startid="#note_264" xml:id="tie_324"/>
</measure>
<measure n="2" xml:id="m2">
<staff n="1" xml:id="staff_336">
<layer n="1" xml:id="layer_342">
<beam xml:id="beam_348">
<note artic="spicc" dur="16" oct="4" pname="a" tstamp="1" xml:id="note_354"/>
<note dur="16" oct="5" pname="a" tstamp="1.25" xml:id="note_360"/>
<note accid="s" dur="16" oct="5" pname="g" tstamp="1.5" xml:id="note_366"/>
<note dur="16" oct="5" pname="a" tstamp="1.75" xml:id="note_372"/>
</beam>
<beam xml:id="beam_378">
<note accid.ges="s" dur="16" oct="5" pname="g" tstamp="2" xml:id="note_384"/>
<note dur="16" oct="5" pname="a" tstamp="2.25" xml:id="note_390"/>
<note accid.ges="s" dur="16" oct="5" pname="g" tstamp="2.5" xml:id="note_396"/>
<note dur="16" oct="5" pname="a" tstamp="2.75" xml:id="note_402"/>
</beam>
</layer>
</staff>
<staff n="2" xml:id="staff_408">
<layer n="1" xml:id="layer_414">
<chord dur="4" tstamp="1" xml:id="chord_420">
<note oct="4" pname="c" xml:id="note_426"/>
<note oct="3" pname="a" xml:id="note_432"/>
</chord>
<rest dur="4" oloc="3" ploc="d" tstamp="2" xml:id="rest_438"/>
</layer>
<layer n="2" xml:id="layer_444">
<note dur="4" oct="3" pname="f" tstamp="1" xml:id="note_450"/>
<space dur="4" tstamp="2" xml:id="space_456"/>
</layer>
</staff>
<supplied resp="#NMA-editors" xml:id="supplied_462">
<dynam staff="1" startid="#note_360" xml:id="dynam_468">p</dynam>
</supplied>
<slur endid="#note_402" staff="1" startid="#note_360" xml:id="slur_480"/>
</measure>
</section>
</score>
</mdiv>
</body>
</music>
</mei>
The problem still exists. Maybe it is helpful to break the @o-sapov example above down to a more reduced one (minimal running code):
<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://music-encoding.org/schema/5.0/mei-all.rng" type="application/xml" schematypens="http://relaxng.org/ns/structure/1.0"?>
<?xml-model href="https://music-encoding.org/schema/5.0/mei-all.rng" type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<mei xmlns="http://www.music-encoding.org/ns/mei">
<meiHead>
<fileDesc>
<titleStmt>
<title label="NMA digital" type="unit">tie / stem collision</title>
</titleStmt>
<pubStmt/>
</fileDesc>
</meiHead>
<music>
<body>
<mdiv n="1" xml:id="mdiv_72">
<score xml:id="score_78">
<scoreDef key.mode="major" key.pname="c" meter.count="2" meter.unit="4" xml:id="scoreDef_01">
<staffGrp bar.thru="true" xml:id="staffGrp_01">
<staffDef clef.line="4" clef.shape="F" lines="5" n="2" xml:id="staffDef_P2"/>
</staffGrp>
</scoreDef>
<section xml:id="section_A_m1-2">
<measure n="1" xml:id="kv330-3-m155">
<staff n="2" xml:id="staff_252">
<layer n="1" xml:id="layer_258">
<note dur="2" oct="4" pname="c" tstamp="1" xml:id="note_264"/>
</layer>
<layer n="2" xml:id="layer_270">
<note dots="1" dur="4" oct="3" pname="g" stem.dir="up" tstamp="1" xml:id="note_276"/>
<note accid="f" dur="8" oct="3" pname="b" stem.dir="up" tstamp="2.5" xml:id="note_282"/>
</layer>
</staff>
<tie color="green" endid="#note_426" staff="2" startid="#note_264" xml:id="tie_324"/>
</measure>
<measure n="2" xml:id="kv330-3-m156">
<staff n="2" xml:id="staff_408">
<layer n="1" xml:id="layer_414">
<chord dur="4" tstamp="1" xml:id="chord_420">
<note oct="4" pname="c" xml:id="note_426"/>
<note oct="3" pname="a" xml:id="note_432"/>
</chord>
<rest dur="4" oloc="3" ploc="d" tstamp="2" xml:id="rest_438"/>
</layer>
</staff>
</measure>
</section>
</score>
</mdiv>
</body>
</music>
</mei>
The problem is that ties do not have collision avoidance. Note in this example that there is a tie between the two C4 notes in the first two measures, but I convert it to a slur in the second pair of measures, where it then renders properly:
Click to view MEI data for above example
<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://music-encoding.org/schema/5.0/mei-all.rng" type="application/xml" schematypens="http://relaxng.org/ns/structure/1.0"?>
<?xml-model href="https://music-encoding.org/schema/5.0/mei-all.rng" type="application/xml" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<mei xmlns="http://www.music-encoding.org/ns/mei" meiversion="5.0">
<meiHead>
<fileDesc>
<titleStmt>
<title />
</titleStmt>
<pubStmt>
<unpub>This MEI file was created by Verovio's Humdrum converter. When published, this unpub element should be removed, and the enclosing pubStmt element should be properly filled out.</unpub>
</pubStmt>
</fileDesc>
<encodingDesc>
<appInfo>
<application isodate="2024-01-12T01:11:44" version="4.2.0-dev-ee2f51d-dirty">
<name>Verovio</name>
<p>Transcoded from Humdrum</p>
</application>
</appInfo>
</encodingDesc>
</meiHead>
<music decls="#work0_encoded">
<body>
<mdiv xml:id="mys3tps">
<score xml:id="sb8j08z">
<scoreDef xml:id="s19yqte5">
<staffGrp xml:id="s1pv6fma">
<staffDef xml:id="staffdef-L1F1" n="1" lines="5">
<clef xml:id="clef-L2F1" shape="F" line="4" />
<meterSig xml:id="metersig-L3F1" count="2" unit="4" />
</staffDef>
</staffGrp>
</scoreDef>
<section xml:id="section-L1F1">
<measure xml:id="measure-L1" n="1">
<staff xml:id="staff-L1F1" n="1">
<layer xml:id="layer-L1F1N1" n="1">
<note xml:id="note-L8F1" dur="2" oct="4" pname="c" accid.ges="n" />
</layer>
<layer xml:id="layer-L1F1N2" n="2">
<note xml:id="note-L8F2" dur="2" oct="3" pname="e" accid.ges="n" />
</layer>
<layer xml:id="layer-L1F1N3" n="3">
<note xml:id="note-L8F3" dots="1" dur="4" oct="3" pname="g" accid.ges="n" />
<note xml:id="note-L9F3" dur="8" oct="3" pname="b" accid="f" />
</layer>
</staff>
<dir xml:id="dir-L7F1" place="above" staff="1" tstamp="1.000000">
<rend xml:id="rdqfful" fontstyle="normal">tie</rend>
</dir>
<tie xml:id="tie-L8F1S1-L12F1S1" startid="#note-L8F1" endid="#note-L12F1S1" />
<slur xml:id="slur-L8F2-L12F2" staff="1" startid="#note-L8F2" endid="#note-L12F2" />
</measure>
<measure xml:id="measure-L10" right="dbl" n="2">
<staff xml:id="staff-L10F1N1" n="1">
<layer xml:id="layer-L10F1N1" n="1">
<chord xml:id="chord-L12F1" dur="4">
<note xml:id="note-L12F1S1" oct="4" pname="c" accid.ges="n" />
<note xml:id="note-L12F1S2" oct="3" pname="a" accid.ges="n" />
</chord>
<rest xml:id="rest-L14F1" dur="4" />
</layer>
<layer xml:id="layer-L10F2N2" n="2">
<note xml:id="note-L12F2" dur="4" oct="3" pname="f" accid.ges="n" />
<space xml:id="s137bo7o" type="filler" dur="4" />
</layer>
<layer xml:id="layer-L10F3N3" n="3" />
</staff>
</measure>
<measure xml:id="measure-L15" n="3">
<staff xml:id="staff-L15F1N1" n="1">
<layer xml:id="layer-L15F1N1" n="1">
<note xml:id="note-L19F1" dur="2" oct="4" pname="c" accid.ges="n" />
</layer>
<layer xml:id="layer-L15F2N2" n="2">
<note xml:id="note-L19F2" dur="2" oct="3" pname="e" accid.ges="n" />
</layer>
<layer xml:id="layer-L15F3N3" n="3">
<note xml:id="note-L19F3" dots="1" dur="4" oct="3" pname="g" accid.ges="n" />
<note xml:id="note-L20F3" dur="8" oct="3" pname="b" accid="f" />
</layer>
</staff>
<dir xml:id="dir-L18F1" place="above" staff="1" tstamp="1.000000">
<rend xml:id="ry78fbb" fontstyle="normal">slur</rend>
</dir>
<slur xml:id="slur-L19F1-L23F1" staff="1" startid="#note-L19F1" endid="#chord-L23F1" />
<slur xml:id="slur-L19F2-L23F2" staff="1" startid="#note-L19F2" endid="#note-L23F2" />
</measure>
<measure xml:id="measure-L21" n="4">
<staff xml:id="staff-L21F1N1" n="1">
<layer xml:id="layer-L21F1N1" n="1">
<chord xml:id="chord-L23F1" dur="4">
<note xml:id="note-L23F1S1" oct="4" pname="c" accid.ges="n" />
<note xml:id="note-L23F1S2" oct="3" pname="a" accid.ges="n" />
</chord>
<rest xml:id="rest-L25F1" dur="4" />
</layer>
<layer xml:id="layer-L21F2N2" n="2">
<note xml:id="note-L23F2" dur="4" oct="3" pname="f" accid.ges="n" />
<space xml:id="s1bwbv9c" type="filler" dur="4" />
</layer>
<layer xml:id="layer-L21F3N3" n="3" />
</staff>
</measure>
</section>
</score>
</mdiv>
</body>
</music>
</mei>
So either collision avoidance should be added to ties, or some new attribute should be added to allow a tie to be treated as if it were a slur to enable the collision avoidance.
