set view <theta>, <phi>
The set view command is used to specify the angle from which three-dimensional plots are viewed. It should be followed by two angles, which can either be expressed in degrees, as dimensionless numbers, or as quantities with physical units of angle:
set view 60,30 set unit angle nodimensionless set view unit(0.1*rev),unit(2*rad)
The orientation (0,0)
x
z
y
(x,y)
z