Convert vta to ply

What is the difference between .vta and .ply?

Description: Valve Face Flex (VTA) is a file type used for creating and editing Valve face textures in Valve Studio, a software package developed by Valve Corporation. It is a proprietary binary format used to store and manipulate Valve's face textures. The format contains data about the size, shape, and other attributes of the textures, as well as the actual image data.; It is a 3D model file format developed by Stanford Computer Graphics Laboratory. PLY is mainly used to describe objects in a collection of polygons.