I'm using persp and trying to change the viewing angle. ... theta , phi : angles defining the viewing direction. theta gives the azimuthal direction and phi ... ... <看更多>
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I'm using persp and trying to change the viewing angle. ... theta , phi : angles defining the viewing direction. theta gives the azimuthal direction and phi ... ... <看更多>
So any angle dependence given by polar coordinates on the symmetry x-y plane does not exist. Such an angle is usually called the azimuthal angle ... ... <看更多>