VTK  9.0.3
vtkMarchingContourFilter.h
Go to the documentation of this file.
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
58 #include "vtkPolyDataAlgorithm.h"
59 
60 #include "vtkContourValues.h" // Needed for direct access to ContourValues
61 
63 class vtkScalarTree;
64 
65 class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
66 {
67 public:
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 
94  vtkMTimeType GetMTime() override;
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 
155 protected:
158 
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 
177 private:
179  void operator=(const vtkMarchingContourFilter&) = delete;
180 };
181 
186 inline 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 
213 inline 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 
240 inline 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
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.
double * GetValues()
Return a pointer to a list of contour values.
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
static vtkMarchingContourFilter * New()
Construct object with initial range (0,1) and single contour value of 0.0.
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)
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:85
organize data according to scalar values (used to accelerate contouring operations)
Definition: vtkScalarTree.h:55
@ info
Definition: vtkX3D.h:382
@ value
Definition: vtkX3D.h:226
@ port
Definition: vtkX3D.h:453
@ range
Definition: vtkX3D.h:244
int vtkTypeBool
Definition: vtkABI.h:69
int vtkIdType
Definition: vtkType.h:338
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:293