Refine stacking order of slurs and articulations #3840

brdvd · 2024-10-29T17:59:56Z

Currently, slurs always start above/below articulations corresponding to the starting note. This is problematic if the articulation is always rendered outside the staff (e.g., accents) and thus quite far away from the notehead.

Minimal example
Render the following example:

Show MEI

<?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="2024-09-06T15:48:58" version="4.3.0-dev-e49dce2-dirty">
     <name>Verovio</name>
     <p>Transcoded from Humdrum</p>
    </application>
   </appInfo>
  </encodingDesc>
  <extMeta>
   <frames xmlns="http://www.humdrum.org/ns/humxml">
    <metaFrame n="22" token="!!!system-decoration: s1[({(s2,s3)})]" xml:id="L23">
     <frameInfo>
      <startTime float="6" />
      <frameType>reference</frameType>
      <referenceKey>system-decoration</referenceKey>
      <referenceValue>s1[({(s2,s3)})]</referenceValue>
     </frameInfo>
    </metaFrame>
    <metaFrame n="23" token="!!!RDF**kern: &lt; = below" xml:id="L24">
     <frameInfo>
      <startTime float="6" />
      <frameType>reference</frameType>
      <referenceKey>RDF**kern</referenceKey>
      <referenceValue>&lt; = below</referenceValue>
     </frameInfo>
    </metaFrame>
    <metaFrame n="24" token="!!!RDF**kern: > = above" xml:id="L25">
     <frameInfo>
      <startTime float="6" />
      <frameType>reference</frameType>
      <referenceKey>RDF**kern</referenceKey>
      <referenceValue>&gt; = above</referenceValue>
     </frameInfo>
    </metaFrame>
    <metaFrame n="25" token="!!!Xfilter: extract -s 1,3" xml:id="L26">
     <frameInfo>
      <startTime float="6" />
      <frameType>reference</frameType>
      <referenceKey>Xfilter</referenceKey>
      <referenceValue>extract -s 1,3</referenceValue>
     </frameInfo>
    </metaFrame>
   </frames>
  </extMeta>
 </meiHead>
 <music decls="#work1_encoded">
  <body>
   <mdiv xml:id="m4c29fz">
    <score xml:id="sytlelf">
     <scoreDef xml:id="shlktde" tempo.dist="3.0000vu">
      <staffGrp xml:id="sb2m3vj" bar.thru="true" symbol="bracket" symbol="brace">
       <staffDef xml:id="staffdef-L1F2" n="1" lines="5">
        <clef xml:id="clef-L4F2" shape="G" line="2" />
        <keySig xml:id="keysig-L5F2" sig="1f" />
        <meterSig xml:id="metersig-L6F2" count="6" unit="4" />
       </staffDef>
      </staffGrp>
     </scoreDef>
     <section xml:id="section-L1F1">
      <measure xml:id="measure-L1" n="36">
       <staff xml:id="staff-L1F2" n="1">
        <layer xml:id="layer-L1F2N1" n="1">
         <beam xml:id="beam-L14F2-L19F2">
          <note xml:id="note-L14F2" dur="8" oct="3" pname="a" accid.ges="n">
           <artic xml:id="artic-L14F2" artic="acc" place="above" />
          </note>
          <note xml:id="note-L15F2" dur="8" oct="3" pname="b" accid.ges="f" />
          <note xml:id="note-L16F2" dur="8" oct="4" pname="d" accid="f" />
          <note xml:id="note-L17F2" dur="8" oct="4" pname="c" accid.ges="n">
           <artic xml:id="artic-L17F2" artic="acc" place="above" />
          </note>
          <note xml:id="note-L18F2" dur="8" oct="4" pname="e" accid.ges="n" />
          <note xml:id="note-L19F2" dur="8" oct="4" pname="g" accid.ges="n" />
         </beam>
        </layer>
       </staff>
       <slur xml:id="slur-L14F2-L16F2" startid="#note-L14F2" endid="#note-L16F2" curvedir="above" />
       <slur xml:id="slur-L17F2-L19F2" startid="#note-L17F2" endid="#note-L19F2" curvedir="above" />
      </measure>
     </section>
    </score>
   </mdiv>
  </body>
 </music>
</mei>

Expected behavior
It is expected that the first slur starts above the beam, since there is enough vertical space between the beam and the articulation.

lpugin added the enhancement label Nov 21, 2024

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Refine stacking order of slurs and articulations #3840

Refine stacking order of slurs and articulations #3840

brdvd commented Oct 29, 2024

Refine stacking order of slurs and articulations #3840

Refine stacking order of slurs and articulations #3840

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brdvd commented Oct 29, 2024