Runs PathEngine's 3D content processing.

Obtains the root interface to call into the 3D content processing dll (dll linkage).

Obtains the root interface to PathEngine (dll linkage).

Initialises PathEngine and returns the root interface pointer (static and Linux .so linkage).

Shuts down PathEngine explicitly (static and Linux .so linkage).

Provided for generating snapshots of the 3D source data when reporting bugs in the 3D content processing functionality.