The PowerDesigner XML Model File Format

All model files in PowerDesigner have an extension that corresponds to the module in which they are saved. For example, a model saved in the object-oriented module has the extension OOM. Beside the file extension, you can decide a format for saving your models:

BIN (Binary) - files are smaller and significantly quicker to open and save
XML – larger and slower than binary files, but manipulable with standard XML editors. There is a DTD for each different kind of model file in the \DTD folder in the PowerDesigner installation directory.

PowerDesigner XML Model File Markup
The following markups are used in PowerDesigner XML files:
XML and the PowerDesigner Metamodel
PowerDesigner models are made up of objects, the properties and interactions of which are explained in the public metamodel.
Example: Simple OOM XML File
The following model contains two classes and one association. We are going to explore the XML file corresponding to this model.
Modifying an XML File
You can modify a model by editing its XML file using a standard text editor such as Notepad or in an XML editor, but you must be very careful, because even a minor syntax error could render the file unusable.

Parent topic: Resource Files and the Public Metamodel