Mark center

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Type Python Module
Download mark_center.py
Author(s) User:Inchoate
License BSD-2-Clause
This code has been put under version control in the project Pymol-script-repo

Mark_center is a small callback that puts a cross at the center of space, where the camera is pointing.

You could also use this to setup arbitrary CGOs (points, lines, etc) in 3D space.

from pymol import cmd
 
def crosshair_put_center():
   t = cmd.get_position()
   m = [1, 0, 0, t[0], 0, 1, 0, t[1], 0, 0, 1, t[2], 0, 0, 0, 1]
   cmd.set_object_ttt('crosshair', m, homogenous=1)
 
cmd.load_callback(crosshair_put_center, '_crosshair_cb')
 
cmd.pseudoatom('crosshair', pos=(0,0,0))
cmd.show_as('nonbonded', 'crosshair')
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