What is a .IM file?
An IM file is a type of computer file that is used to store 3D models, which are three-dimensional representations of objects. This kind of file was specifically used by older versions of a computer game called Trainz Railroad Simulator. In this game, players can simulate operating trains on various routes, and the IM file was used to store the data for displaying different parts of the train, like the train car, or other objects within the game environment.
The term "Indexed Mesh" refers to how the 3D model is structured in the file, using a method that efficiently organizes the data to represent the shape and details of the model. This method was chosen for its ability to handle complex models in a way that the game could easily process and display.
Originally, Trainz Railroad Simulator used a different format known as .PM for its 3D models. However, this was eventually replaced by the .IM format for reasons such as improved efficiency or features. Later on, the .IM format itself was replaced by another format called .FBX, which is a more widely used standard for 3D models and offers even more capabilities and compatibility with various software.
To open an IM file, you would need specific programs that can read and handle the Indexed Mesh format. Two examples of such programs are: 1. **N3V Games Trainz Simulator**: This is the game for which the IM file was originally created. By using this simulator, you can view and interact with the 3D models contained in the IM files as part of the game's virtual world.
2. **PEVSoft Trainz Mesh Viewer 2**: This is a specialized tool designed for viewing the 3D models used in Trainz Simulator. It allows users to open and inspect the details of IM files outside of the game, which can be useful for creators and modders who want to create or modify the game's content.
In summary, an IM file is a 3D model file used in older versions of Trainz Railroad Simulator for displaying trains and other objects within the game. It can be opened using the game itself or a dedicated mesh viewer program.
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