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Merge pull request #10839 from csukuangfj:fix-9486

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This commit is contained in:
Alexander Alekhin 2018-02-12 09:24:28 +00:00
commit ab0f0f26a1
1 changed files with 4 additions and 0 deletions
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4
modules/viz/src/widget.cpp
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@ -286,6 +286,10 @@ cv::Affine3d cv::viz::Widget3D::getPose() const
{
vtkProp3D *actor = vtkProp3D::SafeDownCast(WidgetAccessor::getProp(*this));
CV_Assert("Widget is not 3D." && actor);
if (!actor->GetUserMatrix())
{
return Affine3d(); // empty user matrix, return an identity transform.
}
return Affine3d(*actor->GetUserMatrix()->Element);
}