library fix, v0.3.36

- fix issue with Path function; previously there was a "from pathlib import Path" which conflicted with "from pya import Path"
- SWG PCell: increase DevRec
- opt_in test label for ring resonator circuit examples


Former-commit-id: de4f314

klayout_dot_config/grain.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <salt-grain>
  <name>siepic_ebeam_pdk</name>
- <version>0.3.35</version>
+ <version>0.3.36</version>
  <api-version>0.26</api-version>
  <title>SiEPIC EBeam PDK</title>
  <doc>A Process Design Kit for Silicon Photonics fabricated using Electron Beam Lithography</doc>

klayout_dot_config/tech/EBeam/pymacros/Example_scripted_layouts/Test_structures_ring_resonators.lym

@@ -116,6 +116,12 @@ def dbl_bus_ring_res():
     text = Text ("opt_in_%s_1550_device_RingDouble%sr%sg%s" % (pol.upper(), pol.upper(),r,int(round(g*1000))), t)
     text.halign = 1
     cell.shapes(TextLayerN).insert(text).text_size = 5/dbu
+
+    # Label for automated measurements, laser on Port 1, detectors on Ports 2, 3
+    t = Trans(Trans.R0, to_itype(x,dbu), to_itype(GC_pitch*3,dbu))
+    text = Text ("opt_in_%s_1550_device_RingDouble%sr%sg%sB" % (pol.upper(), pol.upper(),r,int(round(g*1000))), t)
+    text.halign = 1
+    cell.shapes(TextLayerN).insert(text).text_size = 5/dbu
 
     # Ring resonator from directional coupler PCells
     cell_dc = ly.create_cell("ebeam_dc_halfring_straight", "EBeam", { "r": r, "w": wg_width, "g": g, "bustype": 0 } )

klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library.lym

@@ -122,15 +122,15 @@ import pya
 from pya import *
 from SiEPIC.utils import get_technology_by_name
 import os
-from pathlib import Path
+import pathlib
 import sys
 
 dir_path = os.path.dirname(os.path.realpath(__file__))
 if dir_path not in sys.path:
     sys.path.append(dir_path)
 
 files = [f for f in os.listdir(os.path.join(os.path.dirname(
-    os.path.realpath(__file__)),'pcells_EBeam')) if '.py' in Path(f).suffixes  and '__init__' not in f]
+    os.path.realpath(__file__)),'pcells_EBeam')) if '.py' in pathlib.Path(f).suffixes  and '__init__' not in f]
 import pcells_EBeam ### folder name ###
 import importlib
 importlib.invalidate_caches()
@@ -156,7 +156,7 @@ class SiEPIC_EBeam_Library(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.35, Components with models"
+    self.description = "v0.3.36, Components with models"
 
 
     # Import all the GDS files from the tech folder

klayout_dot_config/tech/EBeam/pymacros/SiEPIC_EBeam_Library_Beta.lym

@@ -143,15 +143,15 @@ import pya
 from pya import *
 from SiEPIC.utils import get_technology_by_name
 import os
-from pathlib import Path
+import pathlib
 import sys
 
 dir_path = os.path.dirname(os.path.realpath(__file__))
 if dir_path not in sys.path:
     sys.path.append(dir_path)
 
 files = [f for f in os.listdir(os.path.join(os.path.dirname(
-    os.path.realpath(__file__)),'pcells_EBeam_Beta')) if '.py' in Path(f).suffixes  and '__init__' not in f]
+    os.path.realpath(__file__)),'pcells_EBeam_Beta')) if '.py' in pathlib.Path(f).suffixes  and '__init__' not in f]
 import pcells_EBeam_Beta ### folder name ###
 import importlib
 importlib.invalidate_caches()
@@ -177,7 +177,7 @@ class SiEPIC_EBeam_Library_Beta(Library):
     print("Initializing '%s' Library." % library)
 
     # Set the description
-    self.description = "v0.3.35, Beta components"
+    self.description = "v0.3.36, Beta components"
 
 
     # Import all the GDS files from the tech folder

klayout_dot_config/tech/EBeam/pymacros/pcells_EBeam_Beta/Waveguide_SWG_to_Strip.py

@@ -158,6 +158,5 @@ def produce_impl(self):
 
     # Create the device recognition layer -- make it 1 * wg_width away from the waveguides.
     points = [pya.Point(0,0), pya.Point(length, 0)]
-    path = pya.Path(points,w)
-    path = pya.Path(points,w*3)
+    path = pya.Path(points,w*5)
     shapes(LayerDevRecN).insert(path.simple_polygon())