Some CDP files contain multiple assets (a route + its 50 dependencies). Extracting lets you separate them into individual folders for easier management.
A classic, lightweight utility favored for its simplicity. It allows you to browse the contents of a CDP file without importing it into the game database first. TrainzUtil (Command Line):
Re-import: Once your edits are done, you can drag the folder back into Content Manager to "Submit" the changes. Best Practices and Safety
The game will extract the raw asset folder into your local Trainz editing directory (usually found under AppData/Local/N3V Games/TRS.../editing ). trainz cdp extractor
Before you start extracting, respect copyright laws.
Ensure that config.txt remains exactly as named and stays in the root folder of that specific asset.
: A dynamic display showing the names and sizes of the assets found inside the archive. 2. Backend & Parsing Logic Signature Checking Some CDP files contain multiple assets (a route
Standard installation via N3V Games Trainz Simulator is straightforward: you drag and drop a file, and it installs. But advanced users and creators often face scenarios where that isn't enough:
For developers looking to create a "piece" or a custom version of this tool, the structure typically involves a frontend for file selection and a backend for data parsing. 1. Frontend Requirements Upload Interface : An HTML/JavaScript zone where users can drag and drop Progress Tracking
Files that control cabin controls, engine physics, and audio cues. It allows you to browse the contents of
Make your adjustments. Fix faulty tags in the config.txt file or edit .texture files using specialized image converters.
into the Content Manager window. To see the files, right-click the asset and select "Edit -> Open for Editing" to view them in your file explorer. CDP Explorer by PEVSoft:
The PEVSoft suite (created by Peter Villaume) is legendary in the Trainz community. While tools like Images2TGA or PM2IM are specific to fixing assets, they often work in tandem with extraction processes to make older CDP content compatible with newer versions of the game. How to Extract CDP Files: A Step-by-Step Guide
If you don't want to use third-party tools, you can use the official included with Trainz: Import : Drag the .cdp file into the Content Manager window.
Using these tools is generally faster than the manual game-import method:
