[chimera-dev] [Chimera-users] Motion of an atom
rajurnpurohit at gmail.com
Tue Jul 10 10:32:17 PDT 2012
Thank you very much Eric. I will try this out.
On Tue, Jul 10, 2012 at 7:22 PM, Eric Pettersen <pett at cgl.ucsf.edu> wrote:
> Hi Raju,
> During the execution of a Python script, Chimera does not redraw the
> graphics screen until explicitly requested or when the script ends. The
> simplest way to ask for a redraw is to execute the "wait 1" Chimera
> command, which you can do from Python with:
> from chimera import runCommand
> runCommand("wait 1")
> So if you embed that in your loop you should be able to see your atom
> move. Frames are redrawn at a rate of 25 per second (though future
> versions of Chimera may allow faster redraw rates), so you may want to wait
> more than 1 frame if the atoms moves too fast.
> Alternatively, there is also a direct Python call to wait():
> from Midas import wait
> FYI, there is another mailing list, chimera-dev, where
> programming-intensive questions like this one are more appropriate, so that
> the regular user's eyes don't glaze over. :-)
> Eric Pettersen
> UCSF Computer Graphics Lab
> On Jul 10, 2012, at 9:07 AM, Raju Purohit wrote:
> Hello friends,
> I need some help here.
> I created a basic model having just an atom and set its coordinates as
> (0,0,0). Now I want to make it move along a certain path defined
> mathematically (say, along x axis) and I need to see it move. So I used a
> *for* loop. But I couldn't see and motion and soon realised that the loop
> is very quick in executing and thus I could see the atom at its
> last coordinates. So I tried to add delay of 0.5 seconds for each loop
> by importing *time* module and useing *time.sleep*. But still I couldn't
> see any motion and the coordinates of the atom is set only at the end of
> the *for* loop. I could not see the intermediate path. I am sure you
> people must have tried this earlier and this problem has a solution but I
> just couldn't figure it out.
> Can you please help me out?
> Thank you in advance.
> Raju R.N.
> Third Year, B.Tech
> Mechanical Engineering
> National Institute of Technology Karnataka, Surathkal
> Chimera-users mailing list
> Chimera-users at cgl.ucsf.edu
Third Year, B.Tech
National Institute of Technology Karnataka, Surathkal
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Chimera-dev