The only known or possible PNE to DOR conversion to us is the one made using ArchiCAD architecture software, where users would export .pne files (education format) to ArchiCAD's geometric description language (.dor). Whenever this conversion is useful or even actually possible could not be verified, however it looks like valid conversion.
Convert ArchiCAD 9 Education BIM data file to ArchiCAD Geometric Description Language file.
We found one software available in the database for this conversion.
Microsoft Windows software - convert pne to dor on Windows
One of the architecture CAD software programs
Convert from pne file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.