I was wondering whether it was possible to use coordinate transforms
in implicit_plot3d in the same was as for plot3d?
For example, the following produces a sphere
sage: u, v, w = var('u v w')
sage: spherical=(w*cos(u)*sin(v),w*sin(u)*sin(v),w*cos(v))
sage: plot3d(2,(u,-pi,pi),(v,0,pi),transformation=spherical)
But this next line produces a plane
sage: implicit_plot3d(w==2,(w,-3,3),(u,-pi,pi),(v,
0,pi),transformation=spherical)
Is there any way of coercing this behaviour in sage in any way?
I note that this is possible in maple at least
http://www.math.udel.edu/~driscoll/teaching/243/maple/CoordinateSystems.html
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