VTK  9.3.0
vtkSplineFilter.h
Go to the documentation of this file.
1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
28#ifndef vtkSplineFilter_h
29#define vtkSplineFilter_h
30
31#include "vtkFiltersGeneralModule.h" // For export macro
33
34#define VTK_SUBDIVIDE_SPECIFIED 0
35#define VTK_SUBDIVIDE_LENGTH 1
36
37#define VTK_TCOORDS_OFF 0
38#define VTK_TCOORDS_FROM_NORMALIZED_LENGTH 1
39#define VTK_TCOORDS_FROM_LENGTH 2
40#define VTK_TCOORDS_FROM_SCALARS 3
41
42VTK_ABI_NAMESPACE_BEGIN
43class vtkCellArray;
44class vtkCellData;
45class vtkFloatArray;
46class vtkPointData;
47class vtkPoints;
48class vtkSpline;
49
50class VTKFILTERSGENERAL_EXPORT vtkSplineFilter : public vtkPolyDataAlgorithm
51{
52public:
54 void PrintSelf(ostream& os, vtkIndent indent) override;
55
61
63
67 vtkSetClampMacro(MaximumNumberOfSubdivisions, int, 1, VTK_INT_MAX);
68 vtkGetMacro(MaximumNumberOfSubdivisions, int);
70
72
75 vtkSetClampMacro(Subdivide, int, VTK_SUBDIVIDE_SPECIFIED, VTK_SUBDIVIDE_LENGTH);
76 vtkGetMacro(Subdivide, int);
77 void SetSubdivideToSpecified() { this->SetSubdivide(VTK_SUBDIVIDE_SPECIFIED); }
78 void SetSubdivideToLength() { this->SetSubdivide(VTK_SUBDIVIDE_LENGTH); }
79 const char* GetSubdivideAsString();
81
83
88 vtkSetClampMacro(NumberOfSubdivisions, int, 1, VTK_INT_MAX);
89 vtkGetMacro(NumberOfSubdivisions, int);
91
93
98 vtkSetClampMacro(Length, double, 0.0000001, VTK_DOUBLE_MAX);
99 vtkGetMacro(Length, double);
101
103
106 virtual void SetSpline(vtkSpline*);
107 vtkGetObjectMacro(Spline, vtkSpline);
109
111
118 vtkSetClampMacro(GenerateTCoords, int, VTK_TCOORDS_OFF, VTK_TCOORDS_FROM_SCALARS);
119 vtkGetMacro(GenerateTCoords, int);
120 void SetGenerateTCoordsToOff() { this->SetGenerateTCoords(VTK_TCOORDS_OFF); }
122 {
123 this->SetGenerateTCoords(VTK_TCOORDS_FROM_NORMALIZED_LENGTH);
124 }
125 void SetGenerateTCoordsToUseLength() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_LENGTH); }
126 void SetGenerateTCoordsToUseScalars() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_SCALARS); }
129
131
137 vtkSetClampMacro(TextureLength, double, 0.000001, VTK_INT_MAX);
138 vtkGetMacro(TextureLength, double);
140
141protected:
144
145 // Usual data generation method
147
151 double Length;
157 double TextureLength; // this length is mapped to [0,1) texture space
158
159 // helper methods
160 int GeneratePoints(vtkIdType offset, vtkIdType npts, const vtkIdType* pts, vtkPoints* inPts,
161 vtkPoints* newPts, vtkPointData* pd, vtkPointData* outPD, int genTCoords,
162 vtkFloatArray* newTCoords);
163
164 void GenerateLine(vtkIdType offset, vtkIdType numGenPts, vtkIdType inCellId, vtkCellData* cd,
165 vtkCellData* outCD, vtkCellArray* newLines);
166
167 // helper members
169
170private:
171 vtkSplineFilter(const vtkSplineFilter&) = delete;
172 void operator=(const vtkSplineFilter&) = delete;
173};
174
175VTK_ABI_NAMESPACE_END
176#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:31
dynamic, self-adjusting array of float
a simple class to control print indentation
Definition vtkIndent.h:29
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:29
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...
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:52
#define VTK_SUBDIVIDE_LENGTH
#define VTK_SUBDIVIDE_SPECIFIED
#define VTK_TCOORDS_FROM_SCALARS
#define VTK_TCOORDS_FROM_LENGTH
#define VTK_TCOORDS_FROM_NORMALIZED_LENGTH
#define VTK_TCOORDS_OFF
int vtkIdType
Definition vtkType.h:315
#define VTK_DOUBLE_MAX
Definition vtkType.h:154
#define VTK_INT_MAX
Definition vtkType.h:144