Terminology

v1 (.bin)

Original viewer format (custom binary file), used with PointCloudViewerDX11.cs

v2 (.ucpc)

Second version of the viewer format (custom binary file), used with same PointCloudViewerDX11.cs

v3 (.pcroot)

Third version of the viewer format (custom binary tiled format), used with PointCloudViewerTilesDX11.cs

Tile

In v3 viewer, the point cloud is split into 3d tiles, which allows individual tiles to be hidden when they are too far, or out of view

Cell

see Tile

Mesh Converter

Window/PointCloudTools/PointCloud To MeshConverter, converts point cloud into unity meshes, using point rendering (does not do any mesh reconstruction)

Binary Converter

Window/PointCloudTools/PointCloud To Binary(DX11), converts point cloud into custom binary formats (for faster loading), see v1, v2 and v3 formats.