Gplot 2d

The normal plot will have axes as shown.  The z axis will be vertical.  The y axis will tilt at +Q and the x axis will drop at –Q 

The position (x,0,0) has two dimensional coordinates

The position (0,y,0) has

Figure 1  Default plot of lines connectiong points closer together than 0.2 of the plot size.

Figure 2  Menu reached by entering an m.  Enter a number for the desired section.

Figure 3  Detail of the region 3<y<4

            The plot symbol ‘t’ tells the code to tie the point to the z axis and the x,y plane.