[Simnibs-discuss] Question about the scripting electrodes and the connector with Python

Oula oulap at drcmr.dk
Wed Nov 9 08:22:27 CET 2022

Hi Gülce,

Could you share your script so we can have a look? The len(elec.plug) 
probably refers to the number of plugs on an electrode, so maybe you're 
trying to put multiple plugs on the same electrode.


On 11/3/22 11:16, Gülce Lale wrote:
> I have a question about scripting simulation with python which can 
> also be beneficial for others. Could you share it in the mailing list? 
> Thank you.
> I am currently working on a project where I have to simulate our tDCS 
> with python in SimNIBS. I am trying to write a script, where I give 
> the electrode coordinates, dimensions, and other parameters within the 
> script. In addition to the electrode, I have to model the connector 
> (the plug).
> The anode is 5x5 and its connector has a height of 2.3 and width of 
> 1.3. Whereas, the cathode is 4x4 and the connector has the same height 
> and width. I calculated the plug dimensions and the distance from the 
> centre of the electrode, however, when I try to model it in SimNIBS I 
> have 2 problems:
> 1. Since I have both a cathode and an anode, I have to simulate 2 
> plugs. However, when I try to simulate them I got this following error 
> for the second electrode’s plug: NotImplementedError in the function 
> put_electrode_on_mesh. Which tells me that the length of the plug 
> shouldn’t be greater than 1 (len(elec.plug)<1).
> 2. I tried to simulate only one electrode with a plug, and simulated 
> the other electrode without a plug. Then, I noticed that the plug 
> isn’t being simulated at all. Or, I can not see it on the SimNIBS pop 
> up screen which opens after running my simulation script.
> I wanted to ask if anyone simulated the connector(plug) of the 
> electrode before, and by any chance has a solution to my problem.
> Thank you for your answers in advance.
> Best,
> Gülce
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