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-rw-r--r--gerberex/dxf_path.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/gerberex/dxf_path.py b/gerberex/dxf_path.py
index bb620ff..960b054 100644
--- a/gerberex/dxf_path.py
+++ b/gerberex/dxf_path.py
@@ -301,7 +301,7 @@ class DxfPath(object):
def _judge_cross(self, from_pt, to_pt, index, error_range):
standard = normalize_vec2d((to_pt[0] - from_pt[0], to_pt[1] - from_pt[1]))
- normal = (standard[1], standard[0])
+ normal = (standard[1], -standard[0])
def statements():
for i in range(index, len(self.statements)):
yield self.statements[i]