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# Topic: buffer

| Tool | Description |
|--------|-------------|
| [r.buffer.lowmem](r.buffer.lowmem.md) | Creates a raster map showing buffer zones surrounding cells that contain non-NULL category values. This is the low-memory alternative to the classic r.buffer module. |
| [r.buffer](r.buffer.md) | Creates a raster map showing buffer zones surrounding cells that contain non-NULL category values. |
| [r.circle](r.circle.md) | Creates a raster map containing concentric rings around a given point. |
| [v.buffer](v.buffer.md) | Creates a buffer around vector features of given type. |

*See also the corresponding keyword for additional references:*

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