From: Rob (
Date: Tue Jan 30 2007 - 03:12:21 CST

Axel Kohlmeyer wrote:
> On Mon, 29 Jan 2007, Rob wrote:
> R>
> R> Hi,
> R>
> R> I have a molecular system, a kind of modified
> R> graphite structure.
> R>
> R> I'd like to add a plane to the picture; a
> R> transparent plane, which helps see the symmetry
> R> of the structure.
> R> Is that possible? If yes, what would be the
> R> easiest way to do this?
> if your plane is along the x-, y-, or z-axis
> the fastest would probably be to add a volume-slice
> representation and use a transpared material.
> alternatively you can construct a plane easily from
> two triangles.

Yes, thank you helping me discover this.
I made a large enough triangle that has
enough plane-ness for my purpose. Great!

However, one important problem left: the plane
of the triangle is always solid, so I cannot
(partially) see through. How can I make
that transparent 80 percent or so ?


PS: I'm surprised one can easily draw a triangle,
but not an equaly simple plane-like square....

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