!viewpoint¶

Standart qiymat
x = (xmin + xmax)/2.0,
y = ymin + 1.5 *(ymax – ymin),
z = zmin + 1.5 *(zmax – zmin)

(Standart qiymat: ma’lumotlar markazi)

up_direction: Ko‘rish koordinata tizimi Viewpoint, look_at_point va up_direction orqali belgilanadi.
              default : 0.0 0.0 1.0

Ko‘rish koordinata tizimi:
              Boshlang‘ich nuqta : look_at_point
              z-o‘q               : viewpoint - look_at_point
              x-o‘q               : up × z axis
              y-o‘q               : z axis × x axis