OBJ files are used by wavefront's advanced visualizer application to define and store the geometric objects. Backward and forward transmission of geometric data is made possible through OBJ files. Both polygonal geometry like points, lines, texture vertices, faces and free-form geometry (curves and surfaces) are supported by OBJ format. This format does not support animation or information related to light and position of scenes.
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RVM data files are related to AVEVA PDMS. RVM file is an AVEVA Plant Design Management System Model. AVEVA's Plant Design Management System (PDMS) is the most popular 3D design system using data-centric technology for managing projects.
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