The Grid panel defines the height and granularity of the grid.
The following properties are on the Grid panel:
This is the distance (in model units) between nodes in the grid. Smaller spacing will allow travel members to move more smoothly and direct, however, more nodes will require more processing time to calculate paths.
Sets the Z position of this grid.
Set View Grid Z
Sets the current Grid Z of the 3D view to the Z position of this grid.