then we need an interface -- based probably on the POV-Ray interface.

On Tue, Jul 21, 2009 at 10:02 AM, Robert Hanson <hansonr@stolaf.edu> wrote:
OK, but I don't think BoundBox will work. You want to have it correct based on the current zoom. Send me some files and I will do some testing as well.
Needs checking:

1) shift the center to various points within the window using CTRL-ALT
2) zoom in and out
3) rotate model that is long and skinny, such as 1JEK, 90 degrees and ensure that is working properly as well

Bob


2009/7/21 Angel HerrŠez <angel.herraez@uah.es>

Bob,
Things have certainly improved in the orientation+camera of the vrml exporrt. However, I
wasn't too happy yet ;-). I am testing with 2 models, alanine and lysozyme, and the latter is
still far away (zoomed out) †with respect to Jmol view.

So I've tested different approaches, less dependent on the window coords and absolute
values (like the 5.5*z you used) and more based on the boundbox, and now have one which
looks better in my 2 models (zoom is still a bit low in the small alanine). The key seems to
be to do rotation first to get the molecule orientation, then translation to bring it into the
viewport.

I've applied it to the X3D exporter, so we can compare the result in VRML and X3D with
different molecules. Committed as r11273.

It is yet not perfect, since a third model (a nucleic acid fragment with a rather large Z coord
in its boundbox) still comes zoomed out, but less than in the vrml exporter.
I agree that accuracy is not key here, but as long as the model doesn't go out of view.

Please have a look at the code and test too. I will try other molecules.


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--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107


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



--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107


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