Write each node’s local index + coordinates to outname (NEST DumpLayerNodes).
One whitespace-separated line per node: idx x y [z] (population-local index; coordinates
in micrometre magnitude, ascending node order).
- Parameters:
sim (Simulator) – The simulator holding the population’s positions.
pop (NodeView) – A population/view created with create(positions=...).
outname (str) – Path of the text file to write.
- Returns:
The written text (also persisted to outname), for direct assertion.
- Return type:
str
