From 4143eb50421a915c21391b358b6a41df93d52ef3 Mon Sep 17 00:00:00 2001
From: Andreas Westerwick <westerwick@pconas.de>
Date: Sun, 11 Aug 2019 18:15:18 +0200
Subject: [PATCH] purge square

---
 Tools/python/split_layers.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Tools/python/split_layers.py b/Tools/python/split_layers.py
index f6ea09d..58557cc 100755
--- a/Tools/python/split_layers.py
+++ b/Tools/python/split_layers.py
@@ -129,9 +129,8 @@ def generate_gds_file(layout_path,cellname):
 
 		for layername in layer_mapping:
 			ncell=cell.copy(layername,deep_copy=True)
-			for idx in ncell.get_layers():
-				if not idx in layer_mapping[layername]:
-					ncell=ncell.remove_polygons(lambda pts, layer, datatype: layer == idx)
+			thelayers=layer_mapping[layername]
+			ncell=ncell.remove_polygons(lambda pts, layer, datatype: layer not in thelayers)
 			ncell=ncell.add(gdspy.Rectangle(p11, p12, 1))
 			ncell=ncell.add(gdspy.Rectangle(p21, p22, 1))
 			ncell=ncell.flatten(single_layer=1,single_datatype=1)
-- 
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