Added "resist ... None" entries in the extract section of the magic
techfile to ensure that "comment" and other similar layer types are
not extracted as nodes in the extraction output.
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index acfe41e..9a66a66 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -456,6 +456,10 @@
allpad padl
psub pwell
+
+ obstypes obswell,obsactive,obsli,obsmcon,obsm1,obsm2,obsm3,obsm4,obsm5,obsmrdl,obscomment
+ idtypes res0p35,res0p69,res1p41,res2p85,res5p73,pnp0p68,pnp3p40,npn1p00,npn2p00,npn11p0
+ blocktypes fillblock,fillblock4
end
@@ -5043,6 +5047,12 @@
resist mrdl/metali 5
#endif (REDISTRIBUTION)
+ # These types should not be considered as electrical nodes
+ resist blocktypes None
+ resist obstypes None
+ resist idtypes None
+ resist comment None
+
contact ndc,nsc 15000
contact pdc,psc 15000
contact mvndc,mvnsc 15000