Bob,

I wanted to do this directly (bypass Jmol) because I don’t want to use the 
JSmol window. I’ve been using a JQuery AJAX call to do this, but this started 
to fail recently. After doing some research, I saw that this was a common 
problems because of browser problems. There are a number of solutions, 
including a new browser standard - all convoluted as heck in my opinion.

Am I missing something here? In order to get that PubChem sdf directly into  a 
JavaScript variable, I need to use AJAX. Is this point correct?

There’s another possibility: JQuery has an app library for AJAX that supposedly 
handles this problem $.ajax. Recently, I started using JSmol.min.nojq. Is it 
possible that this is the origin of my problem - i.e. Jmol JQuery uses the AJAX 
app?

I guess one solution would be to include a faceless Jmol applet to do this 
dirty work for me. Is the faceless applet still an option?

Otis

--
Otis Rothenberger
o...@chemagic.com
http://chemagic.com

> On Aug 31, 2015, at 11:00 AM, Robert Hanson <hans...@stolaf.edu> wrote:
> 
> 
> 
> On Mon, Aug 31, 2015 at 9:50 AM, Otis Rothenberger <osrot...@chemagic.com 
> <mailto:osrot...@chemagic.com>> wrote:
> Bob,
> 
> Since the direct load of a model from PubChem works, PubChem must be allowing 
> this with a proper Access-Control-Allow-Origin setting. I understand that.
> 
> On the JSmol client side, you still have to deal with the cross-origin AJAX 
> problem to complete the load. Am I correct on this point?
> 
> 
> 
>  
> If so, how are you dealing with this AJAX problem?
> 
> 
> nothing to do, since they use Access-Control-Allow-Origin  *
> 
> 
>  
> My problem is that I need the 2d sdf for the appended data, not the 
> coordinates. I was getting this with regular AJAX via direct access, but this 
> has changed in browsers recently because of tightening of the cross origin 
> policy. Currently, I'm using my server as a proxy, but PubChem help techs say 
> they really do not like the proxy approach.
> 
> 
> I don't know what the  problem should be. Pretty sure if you use
> 
> 
> data = Jmol.evaluateVar(jmolApplet0, "load(':caffeine')")  
> 
> 
> you get it. Right?
> 
> 
>  
> Otis
> 
> --
> Otis Rothenberger
> o...@chemagic.com <mailto:o...@chemagic.com>
> http://chemagic.com <http://chemagic.com/>
> 
> 
> 
> 
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> 
> 
> -- 
> Robert M. Hanson
> Larson-Anderson Professor of Chemistry
> Chair, Department of Chemistry
> St. Olaf College
> Northfield, MN
> http://www.stolaf.edu/people/hansonr <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
> 
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