VTK  9.1.0
vtkBezierContourLineInterpolator.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkBezierContourLineInterpolator.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
27 #ifndef vtkBezierContourLineInterpolator_h
28 #define vtkBezierContourLineInterpolator_h
29 
31 #include "vtkInteractionWidgetsModule.h" // For export macro
32 
33 class VTKINTERACTIONWIDGETS_EXPORT vtkBezierContourLineInterpolator
35 {
36 public:
41 
43 
47  void PrintSelf(ostream& os, vtkIndent indent) override;
49 
50  int InterpolateLine(vtkRenderer* ren, vtkContourRepresentation* rep, int idx1, int idx2) override;
51 
53 
59  vtkSetClampMacro(MaximumCurveError, double, 0.0, VTK_DOUBLE_MAX);
60  vtkGetMacro(MaximumCurveError, double);
62 
64 
68  vtkSetClampMacro(MaximumCurveLineSegments, int, 1, 1000);
69  vtkGetMacro(MaximumCurveLineSegments, int);
71 
85  void GetSpan(int nodeIndex, vtkIntArray* nodeIndices, vtkContourRepresentation* rep) override;
86 
87 protected:
90 
91  void ComputeMidpoint(double p1[3], double p2[3], double mid[3])
92  {
93  mid[0] = (p1[0] + p2[0]) / 2;
94  mid[1] = (p1[1] + p2[1]) / 2;
95  mid[2] = (p1[2] + p2[2]) / 2;
96  }
97 
100 
101 private:
103  void operator=(const vtkBezierContourLineInterpolator&) = delete;
104 };
105 
106 #endif
Interpolates supplied nodes with bezier line segments.
void ComputeMidpoint(double p1[3], double p2[3], double mid[3])
void GetSpan(int nodeIndex, vtkIntArray *nodeIndices, vtkContourRepresentation *rep) override
Span of the interpolator, i.e.
void PrintSelf(ostream &os, vtkIndent indent) override
Standard methods for instances of this class.
static vtkBezierContourLineInterpolator * New()
Instantiate this class.
int InterpolateLine(vtkRenderer *ren, vtkContourRepresentation *rep, int idx1, int idx2) override
Subclasses that wish to interpolate a line segment must implement this.
Defines API for interpolating/modifying nodes from a vtkContourRepresentation.
represent the vtkContourWidget
a simple class to control print indentation
Definition: vtkIndent.h:34
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:40
abstract specification for renderers
Definition: vtkRenderer.h:73
#define VTK_DOUBLE_MAX
Definition: vtkType.h:165