> When the jmol script rotates a molecule the labels tend to disappear
> (behind other bonds)

Correct.
This behavior is different from Chime/RasMol.

In Jmol the labels are floating in 3D space, with an x,y,z offset from
their associated atom. x & y offsets are script-controllable. The z offset
is a function of the 'spacefill' radius of the atom. The z-coordinate is
adjusted so that the label is a few pixels in front of the surface of the
atom.

> In slab (10.00.43) one can only see labels which apply to the atoms
> visible with slab off -  atoms which were revealed by slabbing do not show
> labels.

Sorry ... I do not understand.
Please try to explain with a simple example.

> Presumably this is tied up with the 'echo text bug' ?

Perhaps.

Very few people use slab, so it may have bugs.

> Is it the intention eventually to emulate label behaviour in  Rasmol and
> Chime ?

No, there is no intention of emulating the label behavior of RasMol/Chime.

The label code in Jmol has much more functionality than RasMol/Chime.
 - text rendering is much better
 - font size is atom-specific
 - font face is atom-specific
 - font color is atom-specific
 - label position relative to the associated atom is atom-specific


As I said, very few people use slab. So if there are specific
issues/problems/bugs related to the interaction of lables and slab then we
can address them.


Miguel



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