Hi Gregor,

Looks like retain_order is on for her. This should fix it:

PyMOL> set retain_order, off

https://pymolwiki.org/index.php/Retain_order

Cheers,
  Thomas

On 01 Mar 2017, at 10:28, Gregor Hagelüken <hagelue...@pc.uni-bonn.de> wrote:

> Hi,
> 
> I use a python script to copy an object, rotate it, alter its chain ID and 
> then merge it with the original object.
> Here is the relevant part of my script:
> 
>                       angle = 360.0/monomers
>                       chains = ["A", "B", "C", "D", "E", "F", "G", "H", "I", 
> "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", 
> "Y", "Z"]
>                       for i in range(1, monomers):
>                               currentChain = chains[i]
>                               cmd.create("%s_%s" %(solutionPymolString, 
> currentChain), solutionPymolString, 1, 1)
>                               cmd.rotate([1, 0, 0], i * angle, "%s_%s" 
> %(solutionPymolString, currentChain), 1, 0, None, [0, 0, 0])
>                               cmd.alter("%s_%s" %(solutionPymolString, 
> currentChain), "chain='%s'" %currentChain)
>                               cmd.create("%s" %(solutionPymolString), "%s or 
> %s_%s" %(solutionPymolString, solutionPymolString, currentChain), 1, 1)
>                               cmd.delete("%s_%s" %(solutionPymolString, 
> currentChain))
> 
> This works fine with PyMOL 1.8.3 and 1.8.5 on my computer (macOS Sierra).
> 
> I have given the script to another person and for her it produces a very 
> strange result.
> The resulting structure is only visible in lines or sticks mode. And it looks 
> like this in the sequence viewer:
> <PastedGraphic-2.tiff>
> 
> She used the same input structure as I did but she has PyMOL 1.8.4 and uses 
> Windows. Could this be a PyMOL bug?
> 
> Cheers,
> Gregor

-- 
Thomas Holder
PyMOL Principal Developer
Schrödinger, Inc.


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