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99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTensorProbeWidget.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkTensorProbeWidget
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* @brief a widget to probe tensors on a polyline
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*
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* The class is used to probe tensors on a trajectory. The representation
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* (vtkTensorProbeRepresentation) is free to choose its own method of
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* rendering the tensors. For instance vtkEllipsoidTensorProbeRepresentation
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* renders the tensors as ellipsoids. The interactions of the widget are
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* controlled by the left mouse button. A left click on the tensor selects
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* it. It can dragged around the trajectory to probe the tensors on it.
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*
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* For instance dragging the ellipsoid around with
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* vtkEllipsoidTensorProbeRepresentation will manifest itself with the
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* ellipsoid shape changing as needed along the trajectory.
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*/
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#ifndef vtkTensorProbeWidget_h
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#define vtkTensorProbeWidget_h
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#include "vtkAbstractWidget.h"
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#include "vtkInteractionWidgetsModule.h" // For export macro
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class vtkTensorProbeRepresentation;
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class vtkPolyData;
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class VTKINTERACTIONWIDGETS_EXPORT vtkTensorProbeWidget : public vtkAbstractWidget
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{
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public:
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/**
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* Instantiate this class.
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*/
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static vtkTensorProbeWidget* New();
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//@{
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/**
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* Standard VTK class macros.
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*/
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vtkTypeMacro(vtkTensorProbeWidget, vtkAbstractWidget);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@}
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/**
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* Specify an instance of vtkWidgetRepresentation used to represent this
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* widget in the scene. Note that the representation is a subclass of vtkProp
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* so it can be added to the renderer independent of the widget.
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*/
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void SetRepresentation(vtkTensorProbeRepresentation* r)
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{
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this->Superclass::SetWidgetRepresentation(reinterpret_cast<vtkWidgetRepresentation*>(r));
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}
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/**
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* Return the representation as a vtkTensorProbeRepresentation.
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*/
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vtkTensorProbeRepresentation* GetTensorProbeRepresentation()
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{
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return reinterpret_cast<vtkTensorProbeRepresentation*>(this->WidgetRep);
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}
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/**
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* See vtkWidgetRepresentation for details.
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*/
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void CreateDefaultRepresentation() override;
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protected:
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vtkTensorProbeWidget();
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~vtkTensorProbeWidget() override;
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// 1 when the probe has been selected, for instance when dragging it around
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int Selected;
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int LastEventPosition[2];
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// Callback interface to capture events and respond
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static void SelectAction(vtkAbstractWidget*);
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static void MoveAction(vtkAbstractWidget*);
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static void EndSelectAction(vtkAbstractWidget*);
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private:
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vtkTensorProbeWidget(const vtkTensorProbeWidget&) = delete;
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void operator=(const vtkTensorProbeWidget&) = delete;
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};
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#endif
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