Panel location

plane_principal:

[axis_coordinate]

plane_grid:

GRID=[model_name][plane_grid_offset]

plane_grid_list:

GRID=[model_name],[model_name][plane_grid_offset]

plane_grid_offset:

(if positive): +[positive integer] or [positive real number]

plane_grid_offset:

(if negative): [negative integer] or [negative real number]

plane_pointvec:

[ori_coord], [normal_coord]

plane_threepoints:

[ori_coord],[uaxis_coord],[vaxis_coord]

plane_two_points_angle:

[point1_ccord],[point2_coord],[t_angle_list]

plane_ray_angle:

[ray],[t_angle_list]

plane_two_rays:

[ray1],[ray2]

model_location:

LOC=[model_name]

model_name:

[db_ref] or [named_element] or [unnamed element]

db_ref:

db_ref=[positive integer]/[positive integer]

named_element:

[\'/ ??? \']

unnamed element:

[\' ??? \']