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What is the proper syntax for the layermap file for layoutOptions.lefdef_config.map_file in a python script executed in line with klayout -zz -rd ... ?
I have tried :
# KLayout layer_map : metal1:1/0 via1:3/0 metal2:2/0
But I got a warning :
Warning: Reading layer map file /home/laurent/OpenROAD-flow-scripts/flow/results/my_tech/my_design/base/layermap.txt, line 2 not understood - skipped