VTK  9.3.0
vtkMarchingContourFilter.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
45#ifndef vtkMarchingContourFilter_h
46#define vtkMarchingContourFilter_h
47
48#include "vtkFiltersGeneralModule.h" // For export macro
50
51#include "vtkContourValues.h" // Needed for direct access to ContourValues
52
53VTK_ABI_NAMESPACE_BEGIN
55class vtkScalarTree;
56
57class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
58{
59public:
61 void PrintSelf(ostream& os, vtkIndent indent) override;
62
68
70
73 void SetValue(int i, double value);
74 double GetValue(int i);
75 double* GetValues();
76 void GetValues(double* contourValues);
77 void SetNumberOfContours(int number);
78 vtkIdType GetNumberOfContours();
79 void GenerateValues(int numContours, double range[2]);
80 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
82
87
89
95 vtkSetMacro(ComputeNormals, vtkTypeBool);
96 vtkGetMacro(ComputeNormals, vtkTypeBool);
97 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
99
101
109 vtkSetMacro(ComputeGradients, vtkTypeBool);
110 vtkGetMacro(ComputeGradients, vtkTypeBool);
111 vtkBooleanMacro(ComputeGradients, vtkTypeBool);
113
115
118 vtkSetMacro(ComputeScalars, vtkTypeBool);
119 vtkGetMacro(ComputeScalars, vtkTypeBool);
120 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
122
124
127 vtkSetMacro(UseScalarTree, vtkTypeBool);
128 vtkGetMacro(UseScalarTree, vtkTypeBool);
129 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
131
133
138 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
140
146
147protected:
150
152 int FillInputPortInformation(int port, vtkInformation* info) override;
153
161
162 // special contouring for structured points
163 void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
164 // special contouring for image data
165 void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
166 // default if not structured data
167 void DataSetContour(vtkDataSet* input, vtkPolyData* output);
168
169private:
171 void operator=(const vtkMarchingContourFilter&) = delete;
172};
173
178inline void vtkMarchingContourFilter::SetValue(int i, double value)
179{
180 this->ContourValues->SetValue(i, value);
181}
182
187{
188 return this->ContourValues->GetValue(i);
189}
190
196{
197 return this->ContourValues->GetValues();
198}
199
205inline void vtkMarchingContourFilter::GetValues(double* contourValues)
206{
207 this->ContourValues->GetValues(contourValues);
208}
209
216{
217 this->ContourValues->SetNumberOfContours(number);
218}
219
224{
225 return this->ContourValues->GetNumberOfContours();
226}
227
232inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
233{
234 this->ContourValues->GenerateValues(numContours, range);
235}
236
242 int numContours, double rangeStart, double rangeEnd)
243{
244 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
245}
246
247VTK_ABI_NAMESPACE_END
248#endif
helper object to manage setting and generating contour values
double * GetValues()
Return a pointer to a list of contour values.
int GetNumberOfContours()
Return the number of contours in the.
void SetNumberOfContours(int number)
Set the number of contours to place into the list.
void GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
void SetValue(int i, double value)
Set the ith contour value.
double GetValue(int i)
Get the ith contour value.
abstract class to specify dataset behavior
Definition vtkDataSet.h:53
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:29
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
generate isosurfaces/isolines from scalar values
vtkMTimeType GetMTime() override
Modified GetMTime Because we delegate to vtkContourValues.
vtkIncrementalPointLocator * Locator
void CreateDefaultLocator()
Create default locator.
vtkIdType GetNumberOfContours()
Get the number of contours in the list of contour values.
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
void SetNumberOfContours(int number)
Set the number of contours to place into the list.
~vtkMarchingContourFilter() override
double GetValue(int i)
Get the ith contour value.
void SetValue(int i, double value)
Methods to set / get contour values.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
void GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
double * GetValues()
Get a pointer to an array of contour values.
void ImageContour(int dim, vtkDataSet *input, vtkPolyData *output)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void StructuredPointsContour(int dim, vtkDataSet *input, vtkPolyData *output)
void DataSetContour(vtkDataSet *input, vtkPolyData *output)
static vtkMarchingContourFilter * New()
Construct object with initial range (0,1) and single contour value of 0.0.
void SetLocator(vtkIncrementalPointLocator *locator)
Set / get a spatial locator for merging points.
Superclass for algorithms that produce only polydata as output.
concrete dataset represents vertices, lines, polygons, and triangle strips
Definition vtkPolyData.h:80
organize data according to scalar values (used to accelerate contouring operations)
int vtkTypeBool
Definition vtkABI.h:64
int vtkIdType
Definition vtkType.h:315
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:270