The PLY File Loader plays back point clouds stored as [PLY](https://paulbourke.net/dataformats/ply/) files, in either ASCII or binary format. It can open a single file as a static cloud, or a folder of `.ply` files as a sequence. Sequence frames are played in filename order.
*[PLY]: Polygon File Format
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Sequences stream from disk. Upcoming frames are prefetched and buffered in the background, so long recordings don't need to fit in memory.
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### Device Properties
- **File**: the `.ply` file or folder to load.
- **Position Units**: the units positions are stored in. _Automatic_ treats floating point positions as metres and integer positions as millimetres.
