---
title: "Axis"
excerpt: "Co-ordinate axis specifier."
layout: manual
---

Co-ordinate axis specifier.

See [cglearn.eu] for background reading.

[cglearn.eu]: https://cglearn.eu/pub/computer-graphics/introduction-to-geometry#material-coordinate-systems-1





**This schema accepts exactly one of the following:**

'Y' axis.

**enum:** `y`








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'Z' axis.

**enum:** `z`








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