> For the complete documentation index, see [llms.txt](https://docs.phoenixlidar.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.phoenixlidar.com/spatialexplorer-8-and-9/user-interface/toolbars/analytics/compute-socs.md).

# Compute SOCS

<figure><img src="/files/u7eeHlWPTv6FVhGqo8Ll" alt=""><figcaption></figcaption></figure>

The **Compute SOCS** tool is used to recompute the original range and scan angle values associated with each point, which is necessary when optimizing a 3rd party LAZ using **LiDARSnap**. **Compute SOCS** takes the world position and back-calculates the scan angle and scan range using the trajectory and sensor model specified by the user:

<figure><img src="/files/VuJR5Kf9TrKD9U2JZREj" alt=""><figcaption></figcaption></figure>