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 =========================================================================*/
76 #ifndef vtkMarchingContourFilter_h
77 #define vtkMarchingContourFilter_h
78 
79 #include "vtkFiltersGeneralModule.h" // For export macro
80 #include "vtkPolyDataAlgorithm.h"
81 
82 #include "vtkContourValues.h" // Needed for direct access to ContourValues
83 
85 class vtkScalarTree;
86 
87 class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
88 {
89 public:
91  void PrintSelf(ostream& os, vtkIndent indent) override;
92 
98 
100 
103  void SetValue(int i, double value);
104  double GetValue(int i);
105  double* GetValues();
106  void GetValues(double* contourValues);
107  void SetNumberOfContours(int number);
108  vtkIdType GetNumberOfContours();
109  void GenerateValues(int numContours, double range[2]);
110  void GenerateValues(int numContours, double rangeStart, double rangeEnd);
112 
116  vtkMTimeType GetMTime() override;
117 
119 
125  vtkSetMacro(ComputeNormals, vtkTypeBool);
126  vtkGetMacro(ComputeNormals, vtkTypeBool);
127  vtkBooleanMacro(ComputeNormals, vtkTypeBool);
129 
131 
139  vtkSetMacro(ComputeGradients, vtkTypeBool);
140  vtkGetMacro(ComputeGradients, vtkTypeBool);
141  vtkBooleanMacro(ComputeGradients, vtkTypeBool);
143 
145 
148  vtkSetMacro(ComputeScalars, vtkTypeBool);
149  vtkGetMacro(ComputeScalars, vtkTypeBool);
150  vtkBooleanMacro(ComputeScalars, vtkTypeBool);
152 
154 
157  vtkSetMacro(UseScalarTree, vtkTypeBool);
158  vtkGetMacro(UseScalarTree, vtkTypeBool);
159  vtkBooleanMacro(UseScalarTree, vtkTypeBool);
161 
163 
168  vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
170 
176 
177 protected:
180 
183 
191 
192  // special contouring for structured points
193  void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
194  // special contouring for image data
195  void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
196  // default if not structured data
197  void DataSetContour(vtkDataSet* input, vtkPolyData* output);
198 
199 private:
201  void operator=(const vtkMarchingContourFilter&) = delete;
202 };
203 
208 inline void vtkMarchingContourFilter::SetValue(int i, double value)
209 {
210  this->ContourValues->SetValue(i, value);
211 }
212 
217 {
218  return this->ContourValues->GetValue(i);
219 }
220 
226 {
227  return this->ContourValues->GetValues();
228 }
229 
235 inline void vtkMarchingContourFilter::GetValues(double* contourValues)
236 {
237  this->ContourValues->GetValues(contourValues);
238 }
239 
246 {
247  this->ContourValues->SetNumberOfContours(number);
248 }
249 
254 {
255  return this->ContourValues->GetNumberOfContours();
256 }
257 
262 inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
263 {
264  this->ContourValues->GenerateValues(numContours, range);
265 }
266 
272  int numContours, double rangeStart, double rangeEnd)
273 {
274  this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
275 }
276 
277 #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:172
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:119
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:200
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:332
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287