(graph-box g x1 y1 x2 y2)

This function draws a open box delimited by corners (x1,y1) and (x2,y2).

Parameter	Description
g	graph context
x1, y1	coordinates of first corner
x2, y2	coordinates of second corner

Example

(graph-box g -0.9 -0.8 0.9 0.8)