Hello
Maybe I can give a hand here with some comments and Chime experience.

El 22 Mar 2006 a las 19:42, Miguel escribió:

> Q: When Chime reads a 2D file does it display it using the RasMol 3D
> engine? Or do they have a separate 2D renderer built into Chime?

Chime has a 2D renderer (formula drawing, including wedge bonds),
which can be toggled with the 3D (Rasmol) renderer, via the pop-up
menu.

When I open the file sent by Hervé (WO0119816T.sdf) in Chime, it
shows as 2D of the fisrt molecule (cysteine). If I then manually
switch to 3D, I get a 3D model with all Z coordinates as zero (which,
by the way, is what you get when you open a MOL file exported from a
2D application such as ChemSketch).

(I have never used V3000, only V2000.)

> When Jmol opens this file it should:
>
> 1. read and display only the first molecular model

This seems Hervé intention and, in any case, is what Chime does; no
way to see the other molecules, as far as I know.

> 2. read all of the atoms in all of the molecular models into the same Jmol
> model and display them all at the same time ... essentially merging all of
> the files together.

Can't imagine the use of this. A mess of a molecule!

> 3. read the molecular models independently into individual Jmol 'models'

In my opinion, this might be interesting, but clearly dangerous, as I have
understood that multi-model is supposed to have the same atoms in all
models.

In summary, I think that reading the first molecule and displaying as
flat in 3D renderer is all that can be expected (as long as the mol
file does not contain 3d coordinates).

HTH



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