Robert Hanson wrote:
> Jmol users,
>
> Jmol 11.9.9 will have a couple of mouse-related new features. One that
> should be useful is
>
> show mouse
>
> or
>
> show mouse [keyword]
>
> such as
>
> show mouse move
>
> or
>
> show mouse pick
>
> These return information about what the mouse buttons do.
>
Very nice.
> In addition, because underneath the surface Jmol is now completely changed
> in how it handles mouse events, in the future you will be able to assign
> button/key combinations to all sorts of actions. Two new actions that can be
> assigned using
>
> set allowGestures
>
> are related to giving Jmol a "multi-touch" feel -- on certain machines being
> able to use two or more fingers to direct the application. These include:
>
> swipe -- with a finger this is a rapid movement that releases as it
> terminates. With a mouse, it's a LEFT-button action for which the button is
> released BEFORE the motion stops. (Takes some getting used to.) This gesture
> produces a sort of Google-Earth action that starts the model spinning at a
> speed that depends upon the speed of the swipe.
>
I wasn't able to start spinning this way. Even separating mouse movement
and button click by using two hands to ensure continuous movement after
releasing the button didn't help.
> zoom-slider -- with set allowGestures TRUE, you can now just treat the
> screen as a touchpad and scroll through zooms just be doing a vertical
> LEFT-drag within a few percent of the right side of the applet window.
>
Principally it might be useful as an alternative. But I think zooming
should not be mixed with rotation and vice versa. Currently zooming
starts for example additionally after the mouse leaves the applet at the
right side. And also rotation starts additionally after the mouse leaves
the applet at the right side. Or rotation replaces zoom if the mouse
leaves the "zoom zone" to the left side. (Since there is no visible
border of the "zoom zone" and since it is very small this happened very
frequently during my tests.) This makes zooming and rotation rather
unpredictable and uncontrollable.
The "zoom zone" is quite narrow in the small test applet. So it is
difficult to actually hit it with the mouse. It would be helpful if the
mouse cursor would already change after reaching the zone and not only
after pressing the mouse button. This might also help novice users to
find this feature if it is activated.
On my system the mouse wheel didn't work any more within Jmol. (Although
it did work in another window with an older Jmol version (11.8.8) opened
in parallel.) I had sometimes trouble to activate zooming with the mouse
wheel before, but mainly on Windows and not on Linux. And most of the
time I could finally get it to work after doing some clicking within the
applet. ( I don't remember the details right now.) But here I could not
get it to work.
Test system
-------------
OS: OpenSuSE 11.1 (x86_64)
Java: 1.6.0_15
Browser: Firefox 3.0.15
Regards,
Rolf
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