|  | @@ -21,6 +21,8 @@ import { Representation } from "@kitware/vtk.js/Rendering/Core/Property/Constant
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				|  |  |  import vtkScalarBarActor from "@kitware/vtk.js/Rendering/Core/ScalarBarActor";
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				|  |  |  import vtkColorTransferFunction from "@kitware/vtk.js/Rendering/Core/ColorTransferFunction";
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				|  |  |  import vtkDataArray from "@kitware/vtk.js/Common/Core/DataArray.js";
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				|  |  | +import vtkLight from "@kitware/vtk.js/Rendering/Core/Light";
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				|  |  | +
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				|  |  |  let vtkObj = {};
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				|  |  |  let resetCameraFlag = false;
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				|  |  |  let max, min;
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