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
54#ifndef vtkMarchingContourFilter_h
55#define vtkMarchingContourFilter_h
56
57#include "vtkFiltersGeneralModule.h" // For export macro
59
60#include "vtkContourValues.h" // Needed for direct access to ContourValues
61
62VTK_ABI_NAMESPACE_BEGIN
64class vtkScalarTree;
65
66class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
67{
68public:
70 void PrintSelf(ostream& os, vtkIndent indent) override;
71
77
79
82 void SetValue(int i, double value);
83 double GetValue(int i);
84 double* GetValues();
85 void GetValues(double* contourValues);
86 void SetNumberOfContours(int number);
87 vtkIdType GetNumberOfContours();
88 void GenerateValues(int numContours, double range[2]);
89 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
91
96
98
104 vtkSetMacro(ComputeNormals, vtkTypeBool);
105 vtkGetMacro(ComputeNormals, vtkTypeBool);
106 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
108
110
118 vtkSetMacro(ComputeGradients, vtkTypeBool);
119 vtkGetMacro(ComputeGradients, vtkTypeBool);
120 vtkBooleanMacro(ComputeGradients, vtkTypeBool);
122
124
127 vtkSetMacro(ComputeScalars, vtkTypeBool);
128 vtkGetMacro(ComputeScalars, vtkTypeBool);
129 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
131
133
136 vtkSetMacro(UseScalarTree, vtkTypeBool);
137 vtkGetMacro(UseScalarTree, vtkTypeBool);
138 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
140
142
147 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
149
155
156protected:
159
161 int FillInputPortInformation(int port, vtkInformation* info) override;
162
170
171 // special contouring for structured points
172 void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
173 // special contouring for image data
174 void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
175 // default if not structured data
176 void DataSetContour(vtkDataSet* input, vtkPolyData* output);
177
178private:
180 void operator=(const vtkMarchingContourFilter&) = delete;
181};
182
187inline void vtkMarchingContourFilter::SetValue(int i, double value)
188{
189 this->ContourValues->SetValue(i, value);
190}
191
196{
197 return this->ContourValues->GetValue(i);
198}
199
205{
206 return this->ContourValues->GetValues();
207}
208
214inline void vtkMarchingContourFilter::GetValues(double* contourValues)
215{
216 this->ContourValues->GetValues(contourValues);
217}
218
225{
226 this->ContourValues->SetNumberOfContours(number);
227}
228
233{
234 return this->ContourValues->GetNumberOfContours();
235}
236
241inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
242{
243 this->ContourValues->GenerateValues(numContours, range);
244}
245
251 int numContours, double rangeStart, double rangeEnd)
252{
253 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
254}
255
256VTK_ABI_NAMESPACE_END
257#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:62
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:38
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:89
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