fix: fix a measure bug of ruler
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@@ -48,8 +48,8 @@ void RulerAnnotationActor::BuildShape() {
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double p2[3] = {0, 0, 0};
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BaseDataPoints->GetPoint(0, p1);
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BaseDataPoints->GetPoint(1, p2);
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p1[2] = 0.0;
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p2[2] = 0.0;
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// p1[2] = 0.0;
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// p2[2] = 0.0;
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realDistance = std::sqrt(vtkMath::Distance2BetweenPoints(p1, p2));
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double dis;
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