Music Encoding Initiative Guidelines

Module

Attributes

compact
full definition
by class
by module

@cue, @def, @metcon

@cue(optional) Value conforms to data.BOOLEAN.

@def(optional)Provides a mechanism for linking the layer to a layerDef element. Value conforms to data.URI.

@metcon(optional)Indicates the relationship between the content of a staff or layer and the prevailing meter. Allowed values are: "c" (Complete; , conformant with the prevailing meter.), "i" (Incomplete; , not enough beats.), "o" (Overfull; , too many beats.)

direct children

@def(optional)Provides a mechanism for linking the layer to a layerDef element. Value conforms to data.URI.

att.cue(MEI.shared) Attributes that describe "cue-ness".

@cue(optional) Value conforms to data.BOOLEAN.

att.meterConformance(MEI.shared) Attributes that provide information about a structure’s conformance to the prevailing meter.

@metcon(optional)Indicates the relationship between the content of a staff or layer and the prevailing meter. Allowed values are: "c" (Complete; , conformant with the prevailing meter.), "i" (Incomplete; , not enough beats.), "o" (Overfull; , too many beats.)

MEI.sharedComponent declarations that are shared between two or more modules.

@cue(optional) Value conforms to data.BOOLEAN.

@def(optional)Provides a mechanism for linking the layer to a layerDef element. Value conforms to data.URI.

@metcon(optional)Indicates the relationship between the content of a staff or layer and the prevailing meter. Allowed values are: "c" (Complete; , conformant with the prevailing meter.), "i" (Incomplete; , not enough beats.), "o" (Overfull; , too many beats.)

Available at

compact
by class
by module

att.layer.log

<layer>An independent stream of events on a staff.

<oLayer>A layer that contains an alternative to material in another layer.

MEI.cmnCommon Music Notation (CMN) repertoire component declarations.

<oLayer>A layer that contains an alternative to material in another layer.

MEI.sharedComponent declarations that are shared between two or more modules.

<layer>An independent stream of events on a staff.

Constraints

@def attribute should have content.

The value in @def should correspond to the @xml:id attribute of a layerDef element.

Declaration


                                 <classSpec ident="att.layer.log" module="MEI.shared" type="atts">
                                    
                                    <desc xml:lang="en">Logical domain attributes.</desc>
                                    
                                    <classes>
                                       
                                       <memberOf key="att.cue"/>
                                       
                                       <memberOf key="att.meterConformance"/>
                                       </classes>
                                    
                                    <attList>
                                       
                                       <attDef ident="def" usage="opt">
                                          
                                          <desc xml:lang="en">Provides a mechanism for linking the layer to a layerDef element.</desc>
                                          
                                          <datatype>
                                             
                                             <rng:ref name="data.URI"/>
                                             </datatype>
                                          
                                          <constraintSpec ident="check_defTarget_layer" scheme="schematron">
                                             
                                             <constraint>
                                                
                                                <sch:rule context="mei:layer/@def">
                                                   
                                                   <sch:assert role="warning" test="not(normalize-space(.) eq '')">@def attribute should
                                                      have content.</sch:assert>
                                                   
                                                   <sch:assert role="warning" test="every $i in tokenize(., '\s+') satisfies substring($i,2)=//mei:layerDef/@xml:id">The value in @def should correspond to the @xml:id attribute of a layerDef
                                                      element.</sch:assert>
                                                   </sch:rule>
                                                </constraint>
                                             </constraintSpec>
                                          </attDef>
                                       </attList>
                                    </classSpec>