Last modified on 24 April 2014, at 00:40

Trainz/File Types (File Extensions)

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Trainz File TypesEdit

In addition to the following list of file types, Trainz also makes extensive use of several common file types one might observe in any Windows installation set up for office or home use without the Trainz simulator, but especially various common image file formats such as .bmp, .jpg, .png, and for textures: the less common .TGA standardized file types. Most non-image file types are of the .txt (plain text) format which trainz uses extensively as ini files to control texturing and for config.txt files found within every asset self-definition folder.

These common file types will often be set off by links to the apropos en.Wikipedia articles. The following list attempts to be comprehensive, so also includes file extensions of older/obsolete as well as current file types used in the newer graphics models. Trainz major data model transitions took place during Trainz 2004, Trainz 2009, and Trainz 2012. Prior to TRS2004 config.txt files were coded BOM, and many assets will still have a BOM on the first line.

ANIM
Animation, for example a steam locomotive's connecting rod movements, or water movement on a river or lake.
BMK
Bookmark. Used to note the current camera position in Surveyor (?).
CDP
Content Dispatcher Pack. A file used by Auran and some other content creators to distribute additional assets. A CDP file can contain one or more assets.
CDP2
Content Dispatcher Pack 2. A new version of the CDP format, used by Auran and some other content creators to distribute additional assets for Trainz Classics.
CFG
Used to store the program's configuration details. This is a widely used file type, but the format is specific to each program.
CHUMP
Cache file.
GND
The terrain file that contains the topographic details of a map. This is the file that is produced and replaced when creating a map from DEM data.
GS
GameScript source file.
GSE
GameScript encoded file.
GSL
GameScript library file.
GST
GameScript template file.
IM
Indexed 3D mesh.
JA
Jet Archive. Contains compressed copies of multiple assets.
KIN
Kinematics. Associated with animations such as pantographs.
OBS
 ?
PM
Progressive 3D mesh. Obsolescent after TRS2004, but still in many older DLS assets.
TEXTURE
A 2D texture which can be applied to a surface of a 3D object. Generally BMP, JPG, and most often the preferred TGA file types.
TRK
Usually found with a .GND file, contains information about the trackwork of a layout.
TSO
Trackside Object. The variations in a layout that are required for a specific scenario, for example extra trackmarks and triggers.
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