Re: [Jmol-users] Draw command change or bug?

[Robert H. <ha...@st...>]

I can't reproduce your error. Draw PLANE PERP works fine for me. Please
send the pngj file from

write toBob.pngj



On Fri, Oct 5, 2012 at 4:37 AM, Rolf Huehne <rh...@fl...> wrote:

> On 10/04/2012 07:10 PM, Robert Hanson wrote:
> > On Thu, Oct 4, 2012 at 9:07 AM, Rolf Huehne <rh...@fl...>
> wrote:
> >
> >>         Hi Jmol users,
> >>
> >>
> >> ------- Example script ----------------
> >> ca2 = {26:B.CA/1}.xyz + {26:B.CA/1}.xyz - {27:B.CA/1}.xyz;
> >> draw boundary_1_B PLANE PERP 180 @ca2 (26:B.CA/1) translucent 0.2 red;
> >>
> >> draw boundary_2_B PLANE PERP 100 (52:B.CA/1) (54:B.CA/1);
> >> offset1 = $boundary_2_B - {53:B.CA/1}.xyz;
> >> point1 = $boundary_2_B[1] - @offset1;
> >>
> >
> > Oh, I think this is your problem. Take out the "@"
> > You are saying, "subtract the value of the variable *whose name* is in
> > variable offset1." It's an indirect reference.
> >
> > This was an early bug in Jmol that was fixed along the way. You want:
> >
> > point1 = $boundary_2_B[1] - offset1;
> >
> > That will work in all versions of Jmol, including your original.
> > Bob
> >
> That might be part of the problem, but the draw command executed before
> 'offset1' is calculated also doesn't show anything ("draw boundary_2_B
> PLANE PERP 100 (52:B.CA/1) (54:B.CA/1);"). And since the result is used
> to build the actual plane needed, still nothing is drawn.
>
> Jmol 11.6.8 still works as before after applying the proposed changes.
>
> Regards,
> Rolf
>
> --
>
> Rolf Huehne
> Postdoc
>
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-- 
Robert M. Hanson
Larson-Anderson Professor of Chemistry
Chair, Chemistry Department
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr


If nature does not answer first what we want,
it is better to take what answer we get.

-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900