The line modes avoid this by searching form the origin outward. Of these, the one-line and three-line modes are special: one-line mode searches the line from the origin to (xmax,ymax). three-line mode searches this line, plus the lines from the origin to (xmax,0) and (0,ymax).
For n-line mode, the number of lines is set with the n_lines parameter. With n > 3, n lines are explored from (0,0) to (xmax * sin(θ),ymax * cos(θ)), where θ takes values from -pi∕2 to π∕2. In these modes, the output file contains a parameter called “Area,” which gives the area of the dynamic aperture.
Also still recognized are other modes, namely, “five-line”, “seven-line”, “nine-line”, and “eleven-line”.
floor_coordinates