---
hide:
  - toc
---

# Topic: querying

| Tool | Description |
|--------|-------------|
| [i.spectral](i.spectral.md) | Displays spectral response at user specified locations in group or images. |
| [r.what.color](r.what.color.md) | Queries colors for a raster map layer. |
| [r.what](r.what.md) | Queries raster maps on their category values and category labels. |
| [v.what](v.what.md) | Queries a vector map at given locations. |

*See also the corresponding keyword for additional references:*

<!-- topic_keyword { include: [querying] } -->
