group several takestep objects
This class is a wrapper for takestep objects to group several takestep objects into one and perform all takesteps simultaneously.
| Parameters : | steptakers : list of takestep objects
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Methods
| __call__(*args, **kwargs) | |
| scale(factor) | scale the stepsize |
| takeStep(coords, **kwargs) | |
| updateStep(accepted, **kwargs) |