VTK  9.1.0
vtkSplineFilter.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkSplineFilter.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=========================================================================*/
37#ifndef vtkSplineFilter_h
38#define vtkSplineFilter_h
39
40#include "vtkFiltersGeneralModule.h" // For export macro
42
43#define VTK_SUBDIVIDE_SPECIFIED 0
44#define VTK_SUBDIVIDE_LENGTH 1
45
46#define VTK_TCOORDS_OFF 0
47#define VTK_TCOORDS_FROM_NORMALIZED_LENGTH 1
48#define VTK_TCOORDS_FROM_LENGTH 2
49#define VTK_TCOORDS_FROM_SCALARS 3
50
51class vtkCellArray;
52class vtkCellData;
53class vtkFloatArray;
54class vtkPointData;
55class vtkPoints;
56class vtkSpline;
57
58class VTKFILTERSGENERAL_EXPORT vtkSplineFilter : public vtkPolyDataAlgorithm
59{
60public:
62 void PrintSelf(ostream& os, vtkIndent indent) override;
63
69
71
75 vtkSetClampMacro(MaximumNumberOfSubdivisions, int, 1, VTK_INT_MAX);
76 vtkGetMacro(MaximumNumberOfSubdivisions, int);
78
80
83 vtkSetClampMacro(Subdivide, int, VTK_SUBDIVIDE_SPECIFIED, VTK_SUBDIVIDE_LENGTH);
84 vtkGetMacro(Subdivide, int);
85 void SetSubdivideToSpecified() { this->SetSubdivide(VTK_SUBDIVIDE_SPECIFIED); }
86 void SetSubdivideToLength() { this->SetSubdivide(VTK_SUBDIVIDE_LENGTH); }
87 const char* GetSubdivideAsString();
89
91
96 vtkSetClampMacro(NumberOfSubdivisions, int, 1, VTK_INT_MAX);
97 vtkGetMacro(NumberOfSubdivisions, int);
99
101
106 vtkSetClampMacro(Length, double, 0.0000001, VTK_DOUBLE_MAX);
107 vtkGetMacro(Length, double);
109
111
114 virtual void SetSpline(vtkSpline*);
115 vtkGetObjectMacro(Spline, vtkSpline);
117
119
126 vtkSetClampMacro(GenerateTCoords, int, VTK_TCOORDS_OFF, VTK_TCOORDS_FROM_SCALARS);
127 vtkGetMacro(GenerateTCoords, int);
128 void SetGenerateTCoordsToOff() { this->SetGenerateTCoords(VTK_TCOORDS_OFF); }
130 {
131 this->SetGenerateTCoords(VTK_TCOORDS_FROM_NORMALIZED_LENGTH);
132 }
133 void SetGenerateTCoordsToUseLength() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_LENGTH); }
134 void SetGenerateTCoordsToUseScalars() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_SCALARS); }
137
139
145 vtkSetClampMacro(TextureLength, double, 0.000001, VTK_INT_MAX);
146 vtkGetMacro(TextureLength, double);
148
149protected:
152
153 // Usual data generation method
155
159 double Length;
165 double TextureLength; // this length is mapped to [0,1) texture space
166
167 // helper methods
168 int GeneratePoints(vtkIdType offset, vtkIdType npts, const vtkIdType* pts, vtkPoints* inPts,
169 vtkPoints* newPts, vtkPointData* pd, vtkPointData* outPD, int genTCoords,
170 vtkFloatArray* newTCoords);
171
172 void GenerateLine(vtkIdType offset, vtkIdType numGenPts, vtkIdType inCellId, vtkCellData* cd,
173 vtkCellData* outCD, vtkCellArray* newLines);
174
175 // helper members
177
178private:
179 vtkSplineFilter(const vtkSplineFilter&) = delete;
180 void operator=(const vtkSplineFilter&) = delete;
181};
182
183#endif
object to represent cell connectivity
Definition: vtkCellArray.h:181
represent and manipulate cell attribute data
Definition: vtkCellData.h:33
dynamic, self-adjusting array of float
Definition: vtkFloatArray.h:36
a simple class to control print indentation
Definition: vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate point attribute data
Definition: vtkPointData.h:33
represent and manipulate 3D points
Definition: vtkPoints.h:34
Superclass for algorithms that produce only polydata as output.
generate uniformly subdivided polylines from a set of input polyline using a vtkSpline
void SetGenerateTCoordsToNormalizedLength()
Control whether and how texture coordinates are produced.
void SetGenerateTCoordsToOff()
Control whether and how texture coordinates are produced.
void SetGenerateTCoordsToUseScalars()
Control whether and how texture coordinates are produced.
vtkSpline * XSpline
vtkSpline * ZSpline
static vtkSplineFilter * New()
Construct the class with no limit on the number of subdivisions and using an instance of vtkCardinalS...
vtkSpline * Spline
void SetSubdivideToLength()
Specify how the number of subdivisions is determined.
~vtkSplineFilter() override
int GeneratePoints(vtkIdType offset, vtkIdType npts, const vtkIdType *pts, vtkPoints *inPts, vtkPoints *newPts, vtkPointData *pd, vtkPointData *outPD, int genTCoords, vtkFloatArray *newTCoords)
void GenerateLine(vtkIdType offset, vtkIdType numGenPts, vtkIdType inCellId, vtkCellData *cd, vtkCellData *outCD, vtkCellArray *newLines)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkSpline * YSpline
virtual void SetSpline(vtkSpline *)
Specify an instance of vtkSpline to use to perform the interpolation.
vtkFloatArray * TCoordMap
const char * GetSubdivideAsString()
Specify how the number of subdivisions is determined.
const char * GetGenerateTCoordsAsString()
Control whether and how texture coordinates are produced.
void SetSubdivideToSpecified()
Specify how the number of subdivisions is determined.
void SetGenerateTCoordsToUseLength()
Control whether and how texture coordinates are produced.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
spline abstract class for interpolating splines
Definition: vtkSpline.h:63
#define VTK_SUBDIVIDE_LENGTH
#define VTK_SUBDIVIDE_SPECIFIED
#define VTK_TCOORDS_FROM_SCALARS
Definition: vtkTubeFilter.h:70
#define VTK_TCOORDS_FROM_LENGTH
Definition: vtkTubeFilter.h:69
#define VTK_TCOORDS_FROM_NORMALIZED_LENGTH
Definition: vtkTubeFilter.h:68
#define VTK_TCOORDS_OFF
Definition: vtkTubeFilter.h:67
int vtkIdType
Definition: vtkType.h:332
#define VTK_DOUBLE_MAX
Definition: vtkType.h:165
#define VTK_INT_MAX
Definition: vtkType.h:155