Re: [Jmol-users] Bind Unbind

[Thomas S. <tho...@gm...>]

exponentiation: cool!

I'm fine with "**"  but out of curiosity: why not "^" ?
The asterisk is so often a wildcard, that I see more chances for trouble
with ** than with ^

-Tom



On Thu, Mar 11, 2010 at 3:51 PM, Robert Hanson <ha...@st...> wrote:

> The mouse wheel action should be using _DELTAY. The zoom function is:
>
> Math.pow(mouseWheelFactor, _DELTAY)
>
> That is, mouseWheelFactor taken to the power of _DELTAY.
>
> The default mouseWheelFactor is 1.02.
>
> The equivalent script would be
>
> zoom  * @{mouseWheelFactor**_DELTAY)}
>
> ...ah, that would be true IF we had exponentiation...(ten minutes later)...
> OK we have that now in Jmol 11.9.33.
>
> print 2**3
> 8
> print 2**0.5
> 1.4142135
> print 2**-1
> 0
> [because these are integers]
> print 2**-1.0
> 0.5
> [because one of them is not an integer]
>
>
> I'll that that out so you can try it.
>
> Question: Is there some reason we would see ** somewhere in select phrases
> rather than *? I'm pretty sure not.
>
> Bob
>
>
>
> On Thu, Mar 11, 2010 at 3:20 PM, Otis Rothenberger <ot...@ch...>wrote:
>
>> I am using bind/unbind to move selected molecular fragments on the XY
>> plane. This all works. I want to allow the user to move the fragments along
>> the Z axes using the same script approach. The smoothest way to do this for
>> the user is to bind the wheel to the Z translation, but I do not have a +/-
>> wheel feedback handle like _DELTAX and _DELTAY for mouse feedback. I can
>> bind the wheel, but movement along the Z axis is only +. Is there any
>> wheeled forward/backward feedback information associated with BIND?
>>
>> Otis
>>
>> --
>> Otis Rothenberger
>> http://chemagic.org
>>
>>
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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
>
>
> ------------------------------------------------------------------------------
> Download Intel&#174; Parallel Studio Eval
> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
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