Merge pull request #1461 from gdsfactory/6653

make sure via stack fits at least one via
gdsfactory · Mar 22, 2023 · 8dbe74d · 8dbe74d
2 parents 9ad56e2 + a7c295c
commit 8dbe74d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/gdsfactory/components/via_stack.py b/gdsfactory/components/via_stack.py
@@ -72,6 +72,12 @@ def via_stack(
             g = via_type.info["enclosure"]
             pitch_x, pitch_y = via_type.info["spacing"]
 
+            min_width = w + g
+            min_height = h + g
+
+            if min_width > width or min_height > height:
+                raise ValueError(f"size {size} is too small to fit a {(w, h)} um via")
+
             nb_vias_x = (width + 2 * offs - w - 2 * g) / pitch_x + 1
             nb_vias_y = (height + 2 * offs - h - 2 * g) / pitch_y + 1