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Fix issue #242: S-bend disconnect in path_to_waveguide. #245

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Fix issue #242: S-bend disconnect in path_to_waveguide. #245

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4 changes: 2 additions & 2 deletions klayout_dot_config/python/SiEPIC/utils/layout.py
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Original file line number Diff line number Diff line change
Expand Up @@ -416,9 +416,9 @@ def layout_waveguide2(TECHNOLOGY, layout, cell, layers, widths, offsets, pts, ra
h = pts[i+1].y- pts[i].y if not (angle%2) else pts[i+1].x- pts[i].x
theta = m.acos(float(pt_radius-abs(h/2))/pt_radius)*180/pi
curved_l = int(2*pt_radius*sin(theta/180.0*pi))
if (i < 3 and dis1 < curved_l/2) or (i > len(pts)-4 and dis3 < curved_l/2):
if (i < 2 and dis1 < curved_l/2) or (i > len(pts)-4 and dis3 < curved_l/2):
pass # Check if there is partial clearance for the bend when there is an end near
elif (i >= 3 and (dis1 - pt_radius < curved_l/2)) or (i <= len(pts)-4 and (dis3 - pt_radius < curved_l/2)):
elif (i >= 2 and (dis1 - pt_radius < curved_l/2)) or (i <= len(pts)-4 and (dis3 - pt_radius < curved_l/2)):
pass # Check if there is full clearance for the bend
else:
if not (angle%2):
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