Thanks for all suggestions.

Nicolas, Rolf and Miguel wrote:

> - good idea for the button to change the background color, but maybe an other 
> color than white 
> would be better. With white background, a few things are not
> visible depend [...]
> Nicolas

> The white "uncharged" becomes totally invisible 
> and the other colored text also is less readable. What about switching 
> only the Jmol background color?
> Rolf

I know. Personally I prefer black, but I felt some people could want 
other color. A pale substitute for white is a good choice.
I chose changing the whole page because at least the legend text 
background must match the applet's. I tried to do so on the legend 
div's, but for some reason I had trouble and resorted to this easy 
solution. I will think of it.

> 1) I think the centre of rotation should be in the centre of the table, 
> not somewhere outside of it. This would prevent the table from floating 
> around unexpectedly, if it is rotated. It would also need less space for 
> rotation and could be larger initially, helping to see the element 
> symbols and the elements at the same time.
> Rolf

> If you click the button that says 'All radii' you will see that the table
> actually has a stack of charged atoms in front of the periodic table. So
> the center of rotation *is* in the middle of the atoms ... but by default
> most of the atoms are hidden.
> Miguel

That is right; the pdb file has 13 layers along the Z axis, one for 
each charge and another for Van der Waals. This last one could be 
avoided in Jmol, but I am trying to keep homology with the original 
page where I got the PDB file and ideas.
I thought of redefining the center of rotation, but this has to be 
done carefully so that it does not interfere with subsequent buttons 
pushed in any order the user decides. Goes to the to-do list.

By the way, that reminds me of a problem I have had in other page: 
"center selected" resets the zoom. Is this intentional? How can I 
redefine center of rotation without altering the current view?

> 2) If the buttons "Van der WAals radii","Atomic radii", "All radii" or 
> "Reload" are pressed while "Show element symbols" is on, the labels 
> disappear. But the "Show element symbols" switch remains "on". You 
> should either preserve the labels (I would prefer that) or at least 
> reset the switch.
> Rolf

Good. The labels was a last-time addition since my preferred choice, 
"hover %i %e", is not working well, so it needs polishing. I will 
try.

> - would it be possible to put the element symbols more to the left, maybe 
> aligned with the atom. In the default zooming, the symbol is closer to the 
> atom at the right [...]
> Nicolas

I agree. I redefined the labels position to get closer, but I thought 
in some cases it was coming inside the spacefilled atom; I will check 
again.


Thanks again



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