VTK  9.1.0
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=========================================================================*/
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
63class vtkScalarTree;
64
65class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
66{
67public:
69 void PrintSelf(ostream& os, vtkIndent indent) override;
70
76
78
81 void SetValue(int i, double value);
82 double GetValue(int i);
83 double* GetValues();
84 void GetValues(double* contourValues);
85 void SetNumberOfContours(int number);
86 vtkIdType GetNumberOfContours();
87 void GenerateValues(int numContours, double range[2]);
88 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
90
95
97
103 vtkSetMacro(ComputeNormals, vtkTypeBool);
104 vtkGetMacro(ComputeNormals, vtkTypeBool);
105 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
107
109
117 vtkSetMacro(ComputeGradients, vtkTypeBool);
118 vtkGetMacro(ComputeGradients, vtkTypeBool);
119 vtkBooleanMacro(ComputeGradients, vtkTypeBool);
121
123
126 vtkSetMacro(ComputeScalars, vtkTypeBool);
127 vtkGetMacro(ComputeScalars, vtkTypeBool);
128 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
130
132
135 vtkSetMacro(UseScalarTree, vtkTypeBool);
136 vtkGetMacro(UseScalarTree, vtkTypeBool);
137 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
139
141
146 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
148
154
155protected:
158
160 int FillInputPortInformation(int port, vtkInformation* info) override;
161
169
170 // special contouring for structured points
171 void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
172 // special contouring for image data
173 void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
174 // default if not structured data
175 void DataSetContour(vtkDataSet* input, vtkPolyData* output);
176
177private:
179 void operator=(const vtkMarchingContourFilter&) = delete;
180};
181
186inline void vtkMarchingContourFilter::SetValue(int i, double value)
187{
188 this->ContourValues->SetValue(i, value);
189}
190
195{
196 return this->ContourValues->GetValue(i);
197}
198
204{
205 return this->ContourValues->GetValues();
206}
207
213inline void vtkMarchingContourFilter::GetValues(double* contourValues)
214{
215 this->ContourValues->GetValues(contourValues);
216}
217
224{
225 this->ContourValues->SetNumberOfContours(number);
226}
227
232{
233 return this->ContourValues->GetNumberOfContours();
234}
235
240inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
241{
242 this->ContourValues->GenerateValues(numContours, range);
243}
244
250 int numContours, double rangeStart, double rangeEnd)
251{
252 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
253}
254
255#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:57
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:34
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:86
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