record where kept layers sit in the network

README.md

@@ -48,7 +48,7 @@ comparable node for node. Change the intervention by editing the `overwrite` blo
 `n_forward_steps` (the forcing covers January and February 2015).
 
 To record the latents as well, and to steer a layer along a feature, use the exporter in the kit
-(`kit/export_fme_latents.py`; it needs [xaig](https://pypi.org/project/xaig/) 0.2 or later in the same
+(`kit/export_fme_latents.py`; it needs [xaig](https://pypi.org/project/xaig/) 0.3 or later in the same
 environment):
 
 ```console

kit/export_fme_latents.py

@@ -492,9 +492,12 @@ def main(argv=None):
 
     labels = rec.labels()
     layers = [(labels[i], rec.arrays[i]) for i in sorted(rec.arrays)]
+    network_layers = None
     if sorted(rec.arrays) != list(range(len(layers))):
-        # the reader indexes layers by position; keep the network's numbering in the label
+        # the reader indexes layers by position; record where each sits in the network, so
+        # that a basis is matched by that place (and keep it in the label, for people)
         layers = [(f"{labels[i]} [network layer {i}]", rec.arrays[i]) for i in sorted(rec.arrays)]
+        network_layers = sorted(rec.arrays)
     step_seconds = (
         int(
             round(
@@ -510,6 +513,7 @@ def main(argv=None):
         grid=grid,
         times=times,
         layers=layers,
+        network_layers=network_layers,
         fields=field_arrays or None,
         field_times=field_times if field_arrays else None,
         model=args.model_name or run_id,