VTK  9.2.6
vtkMarchingContourFilter.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkMarchingContourFilter.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=========================================================================*/
57#ifndef vtkMarchingContourFilter_h
58#define vtkMarchingContourFilter_h
59
60#include "vtkFiltersGeneralModule.h" // For export macro
62
63#include "vtkContourValues.h" // Needed for direct access to ContourValues
64
66class vtkScalarTree;
67
68class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
69{
70public:
72 void PrintSelf(ostream& os, vtkIndent indent) override;
73
79
81
84 void SetValue(int i, double value);
85 double GetValue(int i);
86 double* GetValues();
87 void GetValues(double* contourValues);
88 void SetNumberOfContours(int number);
89 vtkIdType GetNumberOfContours();
90 void GenerateValues(int numContours, double range[2]);
91 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
93
98
100
106 vtkSetMacro(ComputeNormals, vtkTypeBool);
107 vtkGetMacro(ComputeNormals, vtkTypeBool);
108 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
110
112
120 vtkSetMacro(ComputeGradients, vtkTypeBool);
121 vtkGetMacro(ComputeGradients, vtkTypeBool);
122 vtkBooleanMacro(ComputeGradients, vtkTypeBool);
124
126
129 vtkSetMacro(ComputeScalars, vtkTypeBool);
130 vtkGetMacro(ComputeScalars, vtkTypeBool);
131 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
133
135
138 vtkSetMacro(UseScalarTree, vtkTypeBool);
139 vtkGetMacro(UseScalarTree, vtkTypeBool);
140 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
142
144
149 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
151
157
158protected:
161
163 int FillInputPortInformation(int port, vtkInformation* info) override;
164
172
173 // special contouring for structured points
174 void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
175 // special contouring for image data
176 void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
177 // default if not structured data
178 void DataSetContour(vtkDataSet* input, vtkPolyData* output);
179
180private:
182 void operator=(const vtkMarchingContourFilter&) = delete;
183};
184
189inline void vtkMarchingContourFilter::SetValue(int i, double value)
190{
191 this->ContourValues->SetValue(i, value);
192}
193
198{
199 return this->ContourValues->GetValue(i);
200}
201
207{
208 return this->ContourValues->GetValues();
209}
210
216inline void vtkMarchingContourFilter::GetValues(double* contourValues)
217{
218 this->ContourValues->GetValues(contourValues);
219}
220
227{
228 this->ContourValues->SetNumberOfContours(number);
229}
230
235{
236 return this->ContourValues->GetNumberOfContours();
237}
238
243inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
244{
245 this->ContourValues->GenerateValues(numContours, range);
246}
247
253 int numContours, double rangeStart, double rangeEnd)
254{
255 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
256}
257
258#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 GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
void SetNumberOfContours(const int number)
Set the number of contours to place into the list.
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:63
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:40
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:91
organize data according to scalar values (used to accelerate contouring operations)
Definition: vtkScalarTree.h:55
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:332
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287