Music Encoding Initiative Guidelines

data.MEASUREMENTUNSIGNED

Measurement expressed in real-world (e.g., centimeters, millimeters, inches, points, picas, or pixels) or virtual units (vu). 'vu' is the default value. Unlike data.MEASUREMENTSIGNED, only positive values are allowed.

Module

MEI

Used by

Attribute ClassesThese class-based attributes use data.MEASUREMENTUNSIGNED

att.height/@heightMeasurement of the vertical dimension of an entity.

att.pages/@page.heightSpecifies the height of the page; may be expressed in real-world units or staff steps.

att.pages/@page.widthDescribes the width of the page; may be expressed in real-world units or staff steps.

att.pages/@page.topmarIndicates the amount of whitespace at the top of a page.

att.pages/@page.botmarIndicates the amount of whitespace at the bottom of a page.

att.pages/@page.leftmarIndicates the amount of whitespace at the left side of a page.

att.pages/@page.rightmarIndicates the amount of whitespace at the right side of a page.

att.stems/@stem.lenEncodes the stem length.

att.systems/@system.leftmarDescribes the amount of whitespace at the left system margin relative to page.leftmar.

att.systems/@system.rightmarDescribes the amount of whitespace at the right system margin relative to page.rightmar.

att.systems/@system.topmarDescribes the distance from page’s top edge to the first system; used for first page only.

att.width/@widthMeasurement of the horizontal dimension of an entity.

att.fTrem.vis/@float.gapRecords the amount of separation between floating beams and stems.

att.hairpin.vis/@openingSpecifies the distance between the lines at the open end of a hairpin dynamic mark.

att.plica.vis/@lenEncodes the stem length.

att.stem.vis/@lenEncodes the stem length.

Data TypesThese other Data Types reference data.MEASUREMENTUNSIGNED

data.LINEWIDTHDatatype of line width measurements.

data.MEASUREMENTTYPOGRAPHYUNSIGNEDMeasurements used for typographical features. Unlike data.MEASUREMENTTYPOGRAPHYSIGNED, only positive values are allowed.

Declaration


                                 <macroSpec ident="data.MEASUREMENTUNSIGNED" module="MEI" type="dt">
                                    
                                    <desc xml:lang="en">Measurement expressed in real-world (
                                       <abbr>e.g.</abbr>, centimeters, millimeters, inches, points,
                                       picas, or pixels) or virtual units (vu). 'vu' is the default value. Unlike
                                       data.MEASUREMENTSIGNED, only positive values are allowed.</desc>
                                    
                                    <content>
                                       
                                       <rng:data type="token">
                                          
                                          <rng:param name="pattern">(\+)?\d+(\.\d+)?(cm|mm|in|pt|pc|px|vu)?
</rng:param>
                                          </rng:data>
                                       </content>
                                    </macroSpec>

MEI Version: 5.1-dev(#6d3dd03)

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