3d
1 
2 
3 
4 
5 

data type 
Point Type 
x position 
y position 
z position 
diameter 
data value 
mto  Middle Tree Origin 
'x',
'y', 'z' are spatial coordinates, given in units of (0.1
micrometers). 'diameter' is dendrite thickness, also given in units of (0.1 micrometers). 

position 
Left Justified to column 1 
Right justified to column 16 
Right justified to column 27 
Right justified to column 38 
Right justified to column 49 