VTK
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
30#include "vtkInteractionWidgetsModule.h" // For export macro
32
33class VTKINTERACTIONWIDGETS_EXPORT vtkBezierContourLineInterpolator
35{
36public:
37
42
44
48 void PrintSelf(ostream& os, vtkIndent indent);
50
51 virtual int InterpolateLine( vtkRenderer *ren,
53 int idx1, int idx2 );
54
56
62 vtkSetClampMacro(MaximumCurveError, double, 0.0, VTK_DOUBLE_MAX);
63 vtkGetMacro(MaximumCurveError, double);
65
67
71 vtkSetClampMacro(MaximumCurveLineSegments, int, 1, 1000);
72 vtkGetMacro(MaximumCurveLineSegments, int);
74
88 virtual void GetSpan(int nodeIndex, vtkIntArray *nodeIndices,
90
91protected:
94
95 void ComputeMidpoint(double p1[3], double p2[3], double mid[3])
96 {
97 mid[0] = (p1[0] + p2[0])/2;
98 mid[1] = (p1[1] + p2[1])/2;
99 mid[2] = (p1[2] + p2[2])/2;
100 }
101
104
105private:
107 void operator=(const vtkBezierContourLineInterpolator&) VTK_DELETE_FUNCTION;
108};
109
110#endif
Interpolates supplied nodes with bezier line segments.
virtual int InterpolateLine(vtkRenderer *ren, vtkContourRepresentation *rep, int idx1, int idx2)
Subclasses that wish to interpolate a line segment must implement this.
void ComputeMidpoint(double p1[3], double p2[3], double mid[3])
static vtkBezierContourLineInterpolator * New()
Instantiate this class.
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
virtual void GetSpan(int nodeIndex, vtkIntArray *nodeIndices, vtkContourRepresentation *rep)
Span of the interpolator, i.e.
Defines API for interpolating/modifying nodes from a vtkContourRepresentation.
represent the vtkContourWidget
a simple class to control print indentation
Definition: vtkIndent.h:40
dynamic, self-adjusting array of int
Definition: vtkIntArray.h:46
abstract specification for renderers
Definition: vtkRenderer.h:64
#define VTK_DOUBLE_MAX
Definition: vtkType.h:163