Otis,

Chlorination_of_anisoleF.TXT contains what? A gaussian log file?

I think your script has 9 different start points, but they all proceed in a 
positive direction from that point?

I guess I want to re-order the frames in a Gaussian file, ie show  57 to 26, 
then immediately jump to frame 1 and then show 1-25.  This would involve going 
backwards for the first sequence and forwards for the next.

Actually, more importantly,  I am trying to figure out how to get those 
chemists who are not familiar with the type of script below not to be afraid of 
trying.  So I want to keep it as simple and generic as possible for them. 

I guess  Bob may have to write code to implement eg frame 57-26,1-25; and then 
run the animation in that order?

   
On 2 Feb 2014, at 13:01, Otis Rothenberger <osrot...@chemagic.com> wrote:

> Henry,
> 
> I'm not sure if this helps your situation, but we run animations in our own 
> loop (e.g. below). You can pretty much do whatever you want with respect to 
> frame display:
> 
> var filePath = "animations/Chlorination_of_anisoleF.TXT";
> var frameInterval = .1;
> load @filePath;hide *;background black;set echo top center;font echo 36 
> serif;color echo yellow;echo VMK Molecular Movies|Presents|Aromatic 
> Clorination Reaction;delay 3;
> animation off;hover off;color label pink;select formalCharge <> 0;label 
> %C;set echo top left;font echo 16 sansserif;
> color echo yellow;select *;var j = getProperty("modelInfo","modelCount");
> for (var i = 1; i <= j; i++){
> frame @i;
> if (i == 2){display *;echo  Start with a bit of aluminum chloride.;delay 
> 3;echo;}
> if (i == 3){display *;echo  Add some dichlorine.;delay 3;echo;}
> if (i == 18){display *;echo  Add anisole.;delay 3;echo;}
> if (i == 79){display *;echo  A cyclohexadienyl cation intermediate;delay 
> 3;echo;}
> if (i == 81){display *;echo  A resonance contributor;delay 3;echo;}
> if (i == 86){display *;echo  Another resonance contributor;delay 3;echo;}
> if (i == 93){display *;echo  A 4th resonance contributor;delay 3;echo;}
> if (i == 159){display *;echo  Loss of a proton, ;delay 3;echo;}
> if (i == 167){display *;echo  regenerates the aromatic ring.;delay 3;}
> delay @{frameInterval};
> }
> echo The final product is 1-chloro-4-methoxy-benzene.;delay 3;boundbox 
> {*};centerat boundbox;zoom 0;
> 
> Otis
> --
> Otis Rothenberger
> o...@chemagic.com
> http://chemagic.com
> 
> On Feb 2, 2014, at 3:57 AM, Rzepa, Henry S <h.rz...@imperial.ac.uk> wrote:
> 
>> Has anybody solved this one?
>> 
>> Gaussian computes an  IRC by starting at the transition state  (frame 1)   
>> and following the IRC down to a rest in one direction (lets say  frame 25),  
>> then starting again from the geometry of frame  1 (this will now be numbered 
>> 26) and computing the IRC in the other direction, down to say  frame  51.
>> 
>> So to display a smooth IRC (one capable of palindromic reversal), one needs 
>> to load the frames in the order:
>> 
>> 51 > 27 > 1 > 25 (this avoids repeating 26, which is the same as  1).
>> 
>> Unless  I missed it,  I do not think the frame command can be used to set up 
>> this sequence?  Can anyone enlighten me?
>> 
>> I would point out that it is not unusual to compute  IRCs with a total of 
>> perhaps  400 frames, and loading and animating these frames is going to be a 
>> tough ask of  JSmol (and possibly  Jmol as well). Perhaps one should not try 
>> IRCs with so many frames at all?
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> 
> 
> 
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