Attempt to fix issue 11 and 8 - needs confirmation.

klayoutmatthias · Aug 2, 2018 · ad25a85 · ad25a85
1 parent c81099b
commit ad25a85
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Showing 4 changed files with 28 additions and 2 deletions.
diff --git a/src/macros/xsection.lym b/src/macros/xsection.lym
@@ -513,7 +513,15 @@ class MaskData &lt; LayoutData
       end
 
       kp = RBA::Polygon::new(kernel_pts)
-      me.each { |e| d.insert(kp.minkowsky_sum(e, false)) }
+      n = 0
+      me.each do |e| 
+        d.insert(kp.minkowsky_sum(e, false))
+        if (n += 1) == 10
+          # merge each 10 iteration steps to reduce overhead of the final merge
+          d.merge
+          n = 0
+        end
+      end
       d.merge
 
     elsif mode == :square
@@ -524,7 +532,8 @@ class MaskData &lt; LayoutData
       kernel_pts &lt;&lt; RBA::Point::new(xyi, zi)
       kernel_pts &lt;&lt; RBA::Point::new(xyi, -zi)
 
-      kp = RBA::Polygon::new(kernel_pts)
+      kp = RBA::SimplePolygon::new
+      kp.set_points(kernel_pts, true)  # "raw" - don't optimize away
       me.each { |e| d.insert(kp.minkowsky_sum(e, false)) }
       d.merge
 

diff --git a/tests/au/xs_bug8.gds b/tests/au/xs_bug8.gds
diff --git a/tests/xs_bug8.gds b/tests/xs_bug8.gds
diff --git a/tests/xs_bug8.xs b/tests/xs_bug8.xs
@@ -0,0 +1,17 @@
+# XS_INPUT=xs_bug8.gds
+# XS_CUT=-3,0;7,0
+
+depth(20.0)
+height(20.0)
+
+l1 = layer("1/0")
+
+substrate = bulk
+
+m1 = deposit(1.0)
+mask(l1).etch(2.0, 0.0, :into => [ m1, substrate ])
+mask(l1.sized(0.2)).etch(0.0, 0.5, :into => m1)
+
+output("1/0", substrate)
+output("2/0", m1)
+