Sina,

Jmol is fast because it uses no external libraries. All graphics are 
done at the pixel level by Jmol. This (brilliant) code was worked out by 
Michael Howard ([EMAIL PROTECTED]), and he is the one who can 
advise you best. Another person who has extensive experience in this 
regard is JR Schmidt, developer of WebMO ([EMAIL PROTECTED]). He's 
done both -- with libraries and with Jmol graphics.

Note that Jmol is free, opensource code. You may use it in your own 
application. This might be something to consider if you go the Java 
route. Perhaps your job is done for you already!

Bob Hanson

Sina Türeli wrote:

> Hello, me and some of friends are planning to write a molecular 
> visualization tool with some properties. It still though will be a 
> molecular visualization tool, mainly. What I am most interested in is 
> javas performance in graphics. I have seen Jmol and it can do the 
> visualization part quite smoothly. I was asking for opinions of other 
> people and what I get varies greatly. Some say that java is %80-90 of 
> C++ in terms of performance and some say that java is a really bad 
> choice for this kind of project... And the problem is that I know java 
> much better than c++ ( although I have opengl experience in neither) 
> and using java would speed up things greatly for me. I would just like 
> to ask the developers of jmol to give me their opinions on this matter 
> of graphical performance and what libraries of java seem to work well 
> for this purpose. And I know that the source code is available but at 
> my current position I quickly need to decide to about the language 
> first before acquiring the knowledge to understand opengl scripts.
>
> Thanks..
>
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-- 
Robert M. Hanson
Professor of Chemistry
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



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