[Molvis-list] The rasmol 'control interface' (virtual trackball / trackerball)

[Dan Bolser]

2008/9/17 Herbert J. Bernstein <yaya at bernstein-plus-sons.com>:
> RasMol went over to the trackball-style mouse interface a while ago,
> so I am not sure precisely what "old" mode is being referenced.
>
> That being said, it would not be hard to provide an alternate mode,
> given a spec.  What is the desired spec?

I think I installed a version at work 2 years ago and never needed to
upgrade. I subsequently moved to a new job (hence the re-install).

When I left click anywhere in the 'view window' (mouse button 1?) and
drag, movement in the x-axis should produce rotation in the x-axis.
Movement in the y-axis (click and drag) should produce rotation in the
y-axis. I like this system because its simple and I feel that it is
more 'precise' - although I could be just biased.


>
> At 3:53 PM +0100 9/17/08, Dan Bolser wrote:
>>Hi,
>>
>>How do I turn off the 'virtual trackball' control system in the latest
>>release of RasMol? I am running
>>
>>RasMol_2.7.4.2_23Mar08 <- src
>>RasMol_2_7_4_2_10Apr08 <- binary
>>
>>Both have the same 'virtual trackball' style control system, which I
>>find to be much less precise than the old system (where there is a
>>direct correspondence between x/y mouse motion and x/y rotation,
>>independent of where you choose to click on the image). If you don't
>>know what I mean, its described in the PyMol manual here:
>>
>>http://pymol.sourceforge.net/newman/user/S0200start.html#5_4_2
>>
>>
>>(Although obviously the majority of that manual is not applicable to RasMol.)
>>
>>I tried searching the list but I can't find out how to switch this
>>mode off, or better, make the old mode the default. I found some
>>information here:
>>
>>http://www.rasmol.org/software/RasMol_2.7.4.2_Manual.html#setmouse
>>
>>
>>But nothing that helps. Actually the above reference does not
>>accurately describe the 'new' behaviour, nor can I find any
>>description of the new control system in the RasMol manual. When I use
>>PyMol I switch it into 'normal' mode with the following lines in my
>>.pymolrc file:
>>
>>set virtual_trackball = 0
>>
>>
>>Is there any equivalent for RasMol?
>>
>>Thanks for any help - its probably just because I got used to the
>>'old' system that I find the 'new' version so annoying, but what can
>>you do? I can do everything that I previously did using the new
>>trackball style controls, but as I said, I find this method much less
>>precise.
>>
>>
>>Cheers,
>>
>>Dan.
>>
>>--
>>http://network.nature.com/profile/dan
>>
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>
>
> --
> =====================================================
>  Herbert J. Bernstein, Professor of Computer Science
>    Dowling College, Kramer Science Center, KSC 121
>         Idle Hour Blvd, Oakdale, NY, 11769
>
>                  +1-631-244-3035
>                  yaya at dowling.edu
> =====================================================
>
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