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# Topic: linear reference system

| Tool | Description |
|--------|-------------|
| [v.lrs.create](v.lrs.create.md) | Creates a linear reference system. |
| [v.lrs.label](v.lrs.label.md) | Creates stationing from input lines, and linear reference system. |
| [v.lrs.segment](v.lrs.segment.md) | Creates points/segments from input lines, linear reference system and positions read from stdin or a file. |
| [v.lrs.where](v.lrs.where.md) | Finds line id and real km+offset for given points in vector map using linear reference system. |

*See also the corresponding keyword for additional references:*

<!-- topic_keyword { include: [linear reference system] } -->
