What is a .LLM file?
The file extension .LLM stands for Linden Lab Mesh File, which is a type of file used by the virtual reality platform Second Life, developed by Linden Research. An LLM file contains a 3D mesh, which is essentially a collection of polygons that together form the surface of a 3D model, typically an avatar in Second Life. These files are crucial for rendering the detailed appearance of avatars and for applying textures to them.
In Second Life, a 3D avatar is a digital representation of a user, and the LLM file helps define the shape and look of this avatar through its mesh structure. The mesh in an LLM file is made up of vertices, edges, and faces that define the 3D shape of the avatar.
LLM files can be created in two different mesh definition formats: the base format and the level of detail (LOD) format. The base format contains the original, full-detail mesh definition. The LOD format, on the other hand, includes alternate versions of the mesh with decreasing levels of detail. These LOD meshes are used automatically when the avatar is viewed from a distance, helping the game run more smoothly by reducing the rendering load on the computer.
To open an LLM file, you need to use the Second Life program by Linden Research. This is the same platform for which the file was specifically created. When you use Second Life, the program can read the LLM file to display the 3D avatar as intended.
In summary, .LLM files are essential for defining and rendering 3D avatars in the Second Life virtual world, supporting both high-detail views and optimized distant views through different mesh formats.
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