I have worked on the 3D rendering and perspective viewing in Jmol.
 - 3D perspective scaling for z-depth now works on
    * atom position/diameter
    * bond length
    * bond width
    * vector position/length
Previously, atoms got smaller as you rotated. But bond length and bond
width did not change. This could lead to some strange effects when you
zoomed in close ... atoms in the back would get smaller as the bonds got
larger.

In addition, I added a checkbox to enable perspective view. It is under
the view menu as "Perspective". When perspective is turned off then you
get a flat projection of the molecule onto the screen without any depth
correction.

A very good example can be seen with samples/estron.cml. It has a box
around it. Load it up and you can see the box with perspective view. Then
uncheck View/Perspective and you will see a flat projection. Pretty cool!

Miguel





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