Bob,
The _modelNumber variable is really useful -- in
fact a page I'm writing at the moment for browsing
through multi-conformer, multi-molecule files
will probably end up using it extensively. Also
the 'if' statement.
Just when I though I could stabilise on 11.0 for a
while!
Thank you again,
Dave
> IF
> --
>
> Braces here mean "number of atoms" matching that atom expression. Simple
> comparisons are possible:
>
> if {_N} > {_O};message "There are more nitrogens than oxygens";
>
> or more complicated ones as well. It is just using the same syntax
> engine as SELECT:
>
> if !({_N} > 3 && {_O} > 3);
> select _O;
> color yellow;
> else;
> select _N;
> color yellow;
> endif;
>
> if (minBondDistance < 0.6);
> minBondDistance = 0.6;
> connect;
> endif;
>
>
> That sort of thing. No string omparisons yet, just numeric and boolean.
>
>
>
> ECHO and MESSAGE
> ----------------
>
> echo %{variableName}
>
> replaces the variable with its set value. I think I might add a few more
> of these that would change automatically. The one I added was
> "_modelNumber".
> So, for example, if you had an animation, and you
>
> set echo top left
> echo "Model %{_modelNumber}
> animation on
>
> you will see that number change as the frames change.
> The idea is to make some of this echoing of variables less
> JavaScript-intensive.
>
>
> echo %{(atom expression)}
>
> If the "variable name" is in parentheses inside the braces, then it is
> instead
> evaluated as an atom expression, and the number of matching atoms is
> returned.
> This will update automatically. For example:
>
> slab on
> echo "# clickable atoms: %{(clickable)}"
>
> changes as you change the slab with the mouse (CTRL-SHIFT-LEFT-drag).
>
> I decided NOT to allow this capability for atom labels, because it would
> be rather
> intensive during rendering if there were many of these to check.
>
>
> Thoughts?
>
> Bob
>
>
>
>
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--
Dave Evans
[EMAIL PROTECTED]
http://www.davidaevans.org
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