adding traectory notebook
comment in rays
renaming Ne in Ns
add __repr__ in layout
add multi subsegement visualization in showG
fix bug in saveosm
self.name updated in layout.py
add __repr__ in slab
add __repr__ to slab
cleaning
debug in to3D
construct new index for subsegment
waveform.py passes tests
new indexing of subsegment
subseg in locbas
ras
subseg working :)
modification in waveform
slab compensation not activated
fixing bug in loadini layout.py