> For the complete documentation index, see [llms.txt](https://applied-physics.gitbook.io/warp-factory/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://applied-physics.gitbook.io/warp-factory/examples/metrics.md).

# Metrics

Defining the spacetime is about building a metric tensor. There are several methods to do this within Warp Factory. In this section, different examples of how to use standard metrics or build your own are provided.

<table><thead><tr><th width="269" data-type="content-ref">Example</th><th>Description</th></tr></thead><tbody><tr><td><a href="/pages/QbrAiut6wI2u1Ib0wzKc">/pages/QbrAiut6wI2u1Ib0wzKc</a></td><td>First time working with Warp Factory in making a basic Minkowski space and showing the metric tensor features. <strong>First-time users start here.</strong></td></tr><tr><td><a href="/pages/UMshxVDWk1DFbCotsb3h">/pages/UMshxVDWk1DFbCotsb3h</a></td><td>How to work with the library of metrics provided in Warp Factory.</td></tr><tr><td><a href="/pages/tpIaqYvNZt4gyovoR4N5">/pages/tpIaqYvNZt4gyovoR4N5</a></td><td>How to build your own metric using different helper functions in standard or 3+1 formalism.</td></tr></tbody></table>