> For the complete documentation index, see [llms.txt](https://docs-7.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-7.phoenixlidar.com/lidarmill-desktop/workflow-kk/classification/find-ground.md).

# Find Ground

A simpler grounding routine, compared to ground PTD, that finds ground based on an angle and threshold distance.

Select input class(s) and output class, then click **Run Filter**. After processing has finished click **Save Classification to Cloud** to save changes, or click **Cancel Filter** to cancel changes.

![](/files/-M_Xel4YE2Ne7zrUFXoc)