Hi J3D Folks,

I am hoping that somebody on this list might be able to help me with
a design/coding problem I am facing. I haven't actually coded at all
yet as I am not sure how to go about solving this. Anyway, thanks in
advance for some guidance.

I've got a wireframe cube in which I am plotting some (x,y,z) data.
That works well. What I'd like the user to be able to do is
effectively crop the data in the cube in a similar fashion to how it
is done in 2D using Photoshop. So, for example, when the user chooses
to crop the data, they will be presented with a greyed out, quasi
translucent cube inside the wireframe cube and by using the mouse,
they can move the cube and resize it. Once they have moved the greyed
out cube around and size it to include all the data they desire, they
can hit enter or whatever, and my code can take over extracting the
data plotted within this grey cube and do stuff with it.

So, I know how to make cubes and draw points and display triangles.
But I have no idea who to make a cube that the user can enlarge by
dragging the corners of it or move around by dragging the middle of it.

Any thoughts and/or suggestions?

Cheers,

-dylan

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