VTK  9.0.1
vtkContourFilter.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkContourFilter.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 =========================================================================*/
48 #ifndef vtkContourFilter_h
49 #define vtkContourFilter_h
50 
51 #include "vtkFiltersCoreModule.h" // For export macro
52 #include "vtkPolyDataAlgorithm.h"
53 
54 #include "vtkContourValues.h" // Needed for inline methods
55 
57 class vtkScalarTree;
62 class vtkCallbackCommand;
63 
64 class VTKFILTERSCORE_EXPORT vtkContourFilter : public vtkPolyDataAlgorithm
65 {
66 public:
68  void PrintSelf(ostream& os, vtkIndent indent) override;
69 
74  static vtkContourFilter* New();
75 
77 
80  void SetValue(int i, double value);
81  double GetValue(int i);
82  double* GetValues();
83  void GetValues(double* contourValues);
84  void SetNumberOfContours(int number);
85  vtkIdType GetNumberOfContours();
86  void GenerateValues(int numContours, double range[2]);
87  void GenerateValues(int numContours, double rangeStart, double rangeEnd);
89 
93  vtkMTimeType GetMTime() override;
94 
96 
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 
147  virtual void SetScalarTree(vtkScalarTree*);
148  vtkGetObjectMacro(ScalarTree, vtkScalarTree);
150 
152 
157  vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
159 
165 
167 
171  void SetArrayComponent(int);
174 
176 
183  vtkSetMacro(GenerateTriangles, vtkTypeBool);
184  vtkGetMacro(GenerateTriangles, vtkTypeBool);
185  vtkBooleanMacro(GenerateTriangles, vtkTypeBool);
187 
189 
194  void SetOutputPointsPrecision(int precision);
197 
198 protected:
200  ~vtkContourFilter() override;
201 
203 
204  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
205  vtkInformationVector* outputVector) override;
208 
218 
224 
226  vtkObject* caller, unsigned long eid, void* clientData, void* callData);
227 
228 private:
229  vtkContourFilter(const vtkContourFilter&) = delete;
230  void operator=(const vtkContourFilter&) = delete;
231 };
232 
237 inline void vtkContourFilter::SetValue(int i, double value)
238 {
239  this->ContourValues->SetValue(i, value);
240 }
241 
245 inline double vtkContourFilter::GetValue(int i)
246 {
247  return this->ContourValues->GetValue(i);
248 }
249 
255 {
256  return this->ContourValues->GetValues();
257 }
258 
264 inline void vtkContourFilter::GetValues(double* contourValues)
265 {
266  this->ContourValues->GetValues(contourValues);
267 }
268 
275 {
276  this->ContourValues->SetNumberOfContours(number);
277 }
278 
283 {
284  return this->ContourValues->GetNumberOfContours();
285 }
286 
291 inline void vtkContourFilter::GenerateValues(int numContours, double range[2])
292 {
293  this->ContourValues->GenerateValues(numContours, range);
294 }
295 
300 inline void vtkContourFilter::GenerateValues(int numContours, double rangeStart, double rangeEnd)
301 {
302  this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
303 }
304 
305 #endif
supports function callbacks
generate isosurfaces/isolines from scalar values
void SetOutputPointsPrecision(int precision)
Set/get the desired precision for the output types.
void SetLocator(vtkIncrementalPointLocator *locator)
Set / get a spatial locator for merging points.
vtkTypeBool ComputeNormals
void ReportReferences(vtkGarbageCollector *) override
double GetValue(int i)
Get the ith contour value.
vtkTypeBool UseScalarTree
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkMTimeType GetMTime() override
Modified GetMTime Because we delegate to vtkContourValues.
vtkSynchronizedTemplates2D * SynchronizedTemplates2D
vtkCallbackCommand * InternalProgressCallbackCommand
void SetNumberOfContours(int number)
Set the number of contours to place into the list.
void SetArrayComponent(int)
Set/get which component of the scalar array to contour on; defaults to 0.
vtkTypeBool ComputeScalars
int GetOutputPointsPrecision() const
vtkIdType GetNumberOfContours()
Get the number of contours in the list of contour values.
void CreateDefaultLocator()
Create default locator.
void GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
vtkTypeBool ComputeGradients
vtkRectilinearSynchronizedTemplates * RectilinearSynchronizedTemplates
vtkIncrementalPointLocator * Locator
void SetValue(int i, double value)
Methods to set / get contour values.
virtual void SetScalarTree(vtkScalarTree *)
Enable the use of a scalar tree to accelerate contour extraction.
static vtkContourFilter * New()
Construct object with initial range (0,1) and single contour value of 0.0.
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
~vtkContourFilter() override
static void InternalProgressCallbackFunction(vtkObject *caller, unsigned long eid, void *clientData, void *callData)
vtkTypeBool GenerateTriangles
vtkScalarTree * ScalarTree
vtkGridSynchronizedTemplates3D * GridSynchronizedTemplates
double * GetValues()
Get a pointer to an array of contour values.
int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
vtkSynchronizedTemplates3D * SynchronizedTemplates3D
vtkContourValues * ContourValues
int RequestData(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
This is called by the superclass.
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.
Detect and break reference loops.
generate isosurface from structured grids
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.
abstract base class for most VTK objects
Definition: vtkObject.h:54
Superclass for algorithms that produce only polydata as output.
generate isosurface from rectilinear grid
organize data according to scalar values (used to accelerate contouring operations)
Definition: vtkScalarTree.h:55
generate isoline(s) from a structured points set
generate isosurface from structured points
@ 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