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how to define theta and phi of a sphere in IDL [message #68590] Sat, 14 November 2009 21:09
nisha katyal is currently offline  nisha katyal
Messages: 2
Registered: November 2009
Junior Member
HI,

I have to draw spheres using idl . I want to define x,y,z in terms of
r,theta and phi. Do i have to define theta and phi both as following:

IDL> phi=2*!pi*(findgen(npoints)/(npoints-1))

?
And also if i want to plot,should i plot x,z or y,z or x,y?

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