$negfifscaled

$negfifscaled is the command to setup the scale, determine the mesh size you want along the transport direction. The unit is a meter.You can also use this function and set the parameter with our GUI version at the place of "Trans Scale" in GUI

 $negfifscaled
 1D grid size along the transport direction 

Example(0.1nm):

 $negfifscaled
 1.0E-10

related commands:

 $ifsolvenegf