Convert MTV to RAD

The MTV Raytracing Image Format, named after its creator Mark T. VandeWettering, is a simple, uncompressed true-color raster image format used primarily by the MTV Ray Tracer program. It employs the MTV or PIC file extension and is similar to the binary PPM format. Developed in the early days of ray tracing, the MTV format gained popularity due to its straightforward design and ease of use. It supports true-color images and is often utilized in conjunction with other ray-tracing utilities for rendering high-quality graphics.

The RAD file extension, associated with the Radiance software suite, stands for Radiance Scene Description. It is used to describe materials and geometry for lighting simulations and rendering programs. Developed by Greg Ward at Lawrence Berkeley National Laboratory, Radiance employs ray tracing and an octree data structure for accurate lighting calculations. RAD files are ASCII text files that must be compiled into an octree before rendering.