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88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPolyDataContourLineInterpolator.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 vtkPolyDataContourLineInterpolator
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* @brief Contour interpolator for polygonal data
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*
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*
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* vtkPolyDataContourLineInterpolator is an abstract base class for contour
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* line interpolators that interpolate on polygonal data.
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*
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*/
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#ifndef vtkPolyDataContourLineInterpolator_h
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#define vtkPolyDataContourLineInterpolator_h
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#include "vtkInteractionWidgetsModule.h" // For export macro
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#include "vtkContourLineInterpolator.h"
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class vtkPolyData;
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class vtkPolyDataCollection;
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class VTKINTERACTIONWIDGETS_EXPORT vtkPolyDataContourLineInterpolator
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: public vtkContourLineInterpolator
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{
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public:
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//@{
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/**
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* Standard methods for instances of this class.
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*/
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vtkTypeMacro(vtkPolyDataContourLineInterpolator,
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vtkContourLineInterpolator);
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void PrintSelf(ostream& os, vtkIndent indent);
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//@}
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/**
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* Subclasses that wish to interpolate a line segment must implement this.
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* For instance vtkBezierContourLineInterpolator adds nodes between idx1
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* and idx2, that allow the contour to adhere to a bezier curve.
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*/
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virtual int InterpolateLine( vtkRenderer *ren,
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vtkContourRepresentation *rep,
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int idx1, int idx2 ) = 0;
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/**
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* The interpolator is given a chance to update the node.
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* vtkImageContourLineInterpolator updates the idx'th node in the contour,
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* so it automatically sticks to edges in the vicinity as the user
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* constructs the contour.
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* Returns 0 if the node (world position) is unchanged.
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*/
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virtual int UpdateNode( vtkRenderer *,
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vtkContourRepresentation *,
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double * vtkNotUsed(node), int vtkNotUsed(idx) ) = 0;
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//@{
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/**
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* Be sure to add polydata on which you wish to place points to this list
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* or they will not be considered for placement.
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*/
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vtkGetObjectMacro( Polys, vtkPolyDataCollection );
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//@}
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protected:
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vtkPolyDataContourLineInterpolator();
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~vtkPolyDataContourLineInterpolator();
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vtkPolyDataCollection *Polys;
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private:
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vtkPolyDataContourLineInterpolator(
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const vtkPolyDataContourLineInterpolator&) VTK_DELETE_FUNCTION;
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void operator=(const vtkPolyDataContourLineInterpolator&) VTK_DELETE_FUNCTION;
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};
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#endif
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