proportional notation from MIDI file

[Peter]

Hi,

Does anyone know if it is possible to convert a MIDI file to an 
proportional (spacial) notated score with LilyPond? In other words: can 
LilyPond calculate the right spaces between the notes based on timing in a 
MIDI file?
I have no experience with LilyPond yet, and wonder if it is worthwile to 
learn to work with it or that I have to look for another notation program 
to reach my goal. (until now I worked with Sibelius, but that program can 
not do this job.)

Thank you.
Peter