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-rw-r--r--src/main/CompositeElement.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/main/CompositeElement.h b/src/main/CompositeElement.h
index 60e0a44..3440bbe 100644
--- a/src/main/CompositeElement.h
+++ b/src/main/CompositeElement.h
@@ -38,6 +38,8 @@ public:
virtual bool isAfter(const Vector3D& position) const;
+ virtual double getLength() const;
+
virtual Vector3D magneticFieldAt(const Vector3D& position) const;
virtual Vector3D electricFieldAt(const Vector3D& position) const;