Difference between revisions of "Jump"
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Revision as of 04:15, 25 May 2010
In the case of movies or simulation trajectories, it is often useful to quickly jump between different frames but not necessarily in any order. This script allows the user to specify a list of frames and flipping through the set of frames is controlled by a user-defined keystroke (limited to those available through the Set Key command).
Note: This script also requires the Check Key script!
load the script using the run command
jump [frame1 [,...frameN [,sleep=0.1 [,x=1 [,key='pgdn']]]]]
jump 1, 10, 100 #This causes the movie to jump from frame 1 to frame 10 and finally to frame 100 each time the 'pgdn' key is pressed #Note that there is no limit to the number of frames that can be specified jump 1, 10, 100, 1000, key='F1' #This sets the hotkey to F1. When pressed, it will jump through the frames 1, 10, 100, 1000 respectively jump 1, 10, 100, sleep=0.01 #This does the same thing as the first example except that the pause between frames is 10x faster #One could consider the "sleep" option to be similar to the frame rate jump 1, 10, 100, x=10 #This does the same thing as the first example except that each press of the hotkey will #cause the script to run through the specified frames 10 times before stopping. #Note that you will not be able to control or exit the script during the 10 iterations!
from pymol import cmd import time def jump (*args, **kwargs): #Author Sean Law #Michigan State University #slaw_(at)_msu_dot_edu keystroke='pgdn' for key in kwargs: if (key == "key"): keystroke=kwargs["key"] keystroke=check_key(keystroke) if (keystroke == None): return else: continue cmd.set_key(keystroke, jumpit, args, kwargs) return cmd.extend("jump", jump) def jumpit (*args, **kwargs): x=1 sleep=0.1 for key in kwargs: if (key == "sleep"): sleep=kwargs["sleep"] sleep=float(sleep) elif (key == "x"): x=kwargs["x"] x=int(x) else: continue args=list(args) for j in range (len(args)): cmd.frame(int(args[j])) cmd.refresh() time.sleep(sleep) return cmd.extend("jumpit", jumpit)