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# Topic: orthorectify

| Tool | Description |
|--------|-------------|
| [i.ortho.camera](i.ortho.camera.md) | Select and modify the imagery group camera reference file. |
| [i.ortho.elev](i.ortho.elev.md) | Select or modify the target elevation model. |
| [i.ortho.init](i.ortho.init.md) | Interactively creates or modifies entries in a camera initial exposure station file for imagery group referenced by a sub-block. |
| [i.ortho.photo](i.ortho.photo.md) | Menu driver for the photo imagery programs. |
| [i.ortho.rectify](i.ortho.rectify.md) | Orthorectifies an image by using the image to photo coordinate transformation matrix. |
| [i.ortho.target](i.ortho.target.md) | Select or modify the imagery group target. |
| [i.ortho.transform](i.ortho.transform.md) | Computes a coordinate transformation based on the control points. |

*See also the corresponding keyword for additional references:*

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