diff --git a/src/src/Rendering/Measure/RulerAnnotationActor.cpp b/src/src/Rendering/Measure/RulerAnnotationActor.cpp
index a2fd649..11b3b63 100644
--- a/src/src/Rendering/Measure/RulerAnnotationActor.cpp
+++ b/src/src/Rendering/Measure/RulerAnnotationActor.cpp
@@ -48,8 +48,8 @@ void RulerAnnotationActor::BuildShape() {
     double p2[3] = {0, 0, 0};
     BaseDataPoints->GetPoint(0, p1);
     BaseDataPoints->GetPoint(1, p2);
-    p1[2] = 0.0;
-    p2[2] = 0.0;
+    // p1[2] = 0.0;
+    // p2[2] = 0.0;
     realDistance = std::sqrt(vtkMath::Distance2BetweenPoints(p1, p2));
 
     double dis;