Answered
Hi --
The "Advanced" tab for a Surface object suggests that surfaces should be visible in Graphics and Graphics 2 view.
Yet, when I define a Surface object and set the 3rd expression to "0" so that the surface is located in the xy-plane, it doesn't show up in Graphics or Graphics 2. Am I doing something wrong?
Example of surface object: Surface(r cos(t), r sin(t), 0, r, 0, 1, t, 0, 2π)
Thanks!
Dave
The same question 
Sorry, that's not implemented
OK, good to know. Thanks!
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