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=========================================================================*/
76#ifndef vtkSplineFilter_h
77#define vtkSplineFilter_h
78
79#include "vtkFiltersGeneralModule.h" // For export macro
81
82#define VTK_SUBDIVIDE_SPECIFIED 0
83#define VTK_SUBDIVIDE_LENGTH 1
84
85#define VTK_TCOORDS_OFF 0
86#define VTK_TCOORDS_FROM_NORMALIZED_LENGTH 1
87#define VTK_TCOORDS_FROM_LENGTH 2
88#define VTK_TCOORDS_FROM_SCALARS 3
89
90class vtkCellArray;
91class vtkCellData;
92class vtkFloatArray;
93class vtkPointData;
94class vtkPoints;
95class vtkSpline;
96
97class VTKFILTERSGENERAL_EXPORT vtkSplineFilter : public vtkPolyDataAlgorithm
98{
99public:
101 void PrintSelf(ostream& os, vtkIndent indent) override;
102
108
110
114 vtkSetClampMacro(MaximumNumberOfSubdivisions, int, 1, VTK_INT_MAX);
115 vtkGetMacro(MaximumNumberOfSubdivisions, int);
117
119
122 vtkSetClampMacro(Subdivide, int, VTK_SUBDIVIDE_SPECIFIED, VTK_SUBDIVIDE_LENGTH);
123 vtkGetMacro(Subdivide, int);
124 void SetSubdivideToSpecified() { this->SetSubdivide(VTK_SUBDIVIDE_SPECIFIED); }
125 void SetSubdivideToLength() { this->SetSubdivide(VTK_SUBDIVIDE_LENGTH); }
126 const char* GetSubdivideAsString();
128
130
135 vtkSetClampMacro(NumberOfSubdivisions, int, 1, VTK_INT_MAX);
136 vtkGetMacro(NumberOfSubdivisions, int);
138
140
145 vtkSetClampMacro(Length, double, 0.0000001, VTK_DOUBLE_MAX);
146 vtkGetMacro(Length, double);
148
150
153 virtual void SetSpline(vtkSpline*);
154 vtkGetObjectMacro(Spline, vtkSpline);
156
158
165 vtkSetClampMacro(GenerateTCoords, int, VTK_TCOORDS_OFF, VTK_TCOORDS_FROM_SCALARS);
166 vtkGetMacro(GenerateTCoords, int);
167 void SetGenerateTCoordsToOff() { this->SetGenerateTCoords(VTK_TCOORDS_OFF); }
169 {
170 this->SetGenerateTCoords(VTK_TCOORDS_FROM_NORMALIZED_LENGTH);
171 }
172 void SetGenerateTCoordsToUseLength() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_LENGTH); }
173 void SetGenerateTCoordsToUseScalars() { this->SetGenerateTCoords(VTK_TCOORDS_FROM_SCALARS); }
176
178
184 vtkSetClampMacro(TextureLength, double, 0.000001, VTK_INT_MAX);
185 vtkGetMacro(TextureLength, double);
187
188protected:
191
192 // Usual data generation method
194
198 double Length;
204 double TextureLength; // this length is mapped to [0,1) texture space
205
206 // helper methods
207 int GeneratePoints(vtkIdType offset, vtkIdType npts, const vtkIdType* pts, vtkPoints* inPts,
208 vtkPoints* newPts, vtkPointData* pd, vtkPointData* outPD, int genTCoords,
209 vtkFloatArray* newTCoords);
210
211 void GenerateLine(vtkIdType offset, vtkIdType numGenPts, vtkIdType inCellId, vtkCellData* cd,
212 vtkCellData* outCD, vtkCellArray* newLines);
213
214 // helper members
216
217private:
218 vtkSplineFilter(const vtkSplineFilter&) = delete;
219 void operator=(const vtkSplineFilter&) = delete;
220};
221
222#endif
object to represent cell connectivity
Definition: vtkCellArray.h:290
represent and manipulate cell attribute data
Definition: vtkCellData.h:142
dynamic, self-adjusting array of float
a simple class to control print indentation
Definition: vtkIndent.h:113
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
represent and manipulate point attribute data
Definition: vtkPointData.h:142
represent and manipulate 3D points
Definition: vtkPoints.h:143
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:82
#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:332
#define VTK_DOUBLE_MAX
Definition: vtkType.h:165
#define VTK_INT_MAX
Definition: vtkType.h:155