A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.
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m-value
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[linear referencing]
In linear referencing, a measure value that is added to a line feature. M-values are used to measure the distance along a line feature from a vertex (a known location) to an event.
[Esri software]
Vertex attributes that are stored with x,y point coordinates. Every type of geometry (point, polyline, polygon) can have attributes for every vertex.