Just remember that you only have one thread. Regardless of what you have on
top, if you want some sort of action, there is going to be a trade-off in
performance. I'm guessing even an animated gif will unpredictably switch
between processes. I don't know how much it will slow down the load, but it
will do that.
On Thu, Dec 13, 2012 at 8:17 AM, Wayne Decatur <[email protected]> wrote:
> Hi Angel,
> For now, combining yours and Bob's input I put something similar together
> to what you did. I left the console there but covered it up at the start
> with an animated gif. I have javascript trigger a style display property
> change upon the last line of the script. I designed my animated gif to be
> very simple since you said it stutters a lot, and it seems okay. I don't
> mind the corner so I don't that needs to be addressed although on an old
> iPad it does hang on just 'application loaded' quite a while as good-sized
> pdb file loads.
> Eventually I'd like to follow up on what Bob suggest because I think a
> series of png or a series of them might be better if the canvas will
> tolerate it. (Or is it possible to send only part of a png to the canvas so
> you can have multiple frames in the same png image, a similar approach to
> some of the older animation tricks?) Then there can be a toggle after
> development phase to put the console text behind the loading images.
>
> Wayne
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 12 Dec 2012 19:11:59 +0100
> From: " Angel Herr?ez " <[email protected]>
> Subject: Re: [Jmol-users] JSmol initiatlizing messages
> To: [email protected]
>
> Hello Wayne
>
> I've done something of the sort in one of my tests.
> Don't recall the exact details now, but it was along this line:
>
> The output "console" that rolls many text lines during initialization
> is defined in the "Info" object, by default it is located in the same
> position where the JSmol goes later.
> I managed to set a different box for that console output, and hide it
> using css. Then I included (css I think) an animated gif in the
> original position. When JSmol is ready it automatically covers the
> image.
> The problem is the animated gif (progress bar) is jerky, the browser
> does not animate it nicely because it is doing other many tasks
> (script loading).
>
> The other floating loading messages, at bottom-left in colored font,
> are separate from this issue and I have not addressed them.
>
> Hope it helps,
>
>
>
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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
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