[Gate-users] source distribution

[Alexandre Dupas]

Hi Cindy,

Alpha and theta are angles to setup a parallelepiped (see figure in
wikipedia page for their definition). I haven't worked out what the
phi stands for as any value does not appear to change anything.

    http://en.wikipedia.org/wiki/Parallelepiped

By default the angles are set to 90deg which allows to create cuboid
(each face of the parallelepiped are rectangle).

I hope this helps you.

Alexandre Dupas

2011/6/1 cindy Dong <zjxiaoxia1118 at gmail.com>:
> Hi,
>
>  If i want to set a source with a rectangle distribution，then how to set
> the shape？Para？If so，is the default shape a rectangle？What‘s the mean of the
> angle alpha，theta ，and phi？
> Thanks，
>
> Cindy
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