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=========================================================================*/
73#ifndef vtkMarchingContourFilter_h
74#define vtkMarchingContourFilter_h
75
76#include "vtkFiltersGeneralModule.h" // For export macro
78
79#include "vtkContourValues.h" // Needed for direct access to ContourValues
80
82class vtkScalarTree;
83
84class VTKFILTERSGENERAL_EXPORT vtkMarchingContourFilter : public vtkPolyDataAlgorithm
85{
86public:
88 void PrintSelf(ostream& os, vtkIndent indent) override;
89
95
97
100 void SetValue(int i, double value);
101 double GetValue(int i);
102 double* GetValues();
103 void GetValues(double* contourValues);
104 void SetNumberOfContours(int number);
105 vtkIdType GetNumberOfContours();
106 void GenerateValues(int numContours, double range[2]);
107 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
109
114
116
122 vtkSetMacro(ComputeNormals, vtkTypeBool);
123 vtkGetMacro(ComputeNormals, vtkTypeBool);
124 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
126
128
136 vtkSetMacro(ComputeGradients, vtkTypeBool);
137 vtkGetMacro(ComputeGradients, vtkTypeBool);
138 vtkBooleanMacro(ComputeGradients, vtkTypeBool);
140
142
145 vtkSetMacro(ComputeScalars, vtkTypeBool);
146 vtkGetMacro(ComputeScalars, vtkTypeBool);
147 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
149
151
154 vtkSetMacro(UseScalarTree, vtkTypeBool);
155 vtkGetMacro(UseScalarTree, vtkTypeBool);
156 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
158
160
165 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
167
173
174protected:
177
179 int FillInputPortInformation(int port, vtkInformation* info) override;
180
188
189 // special contouring for structured points
190 void StructuredPointsContour(int dim, vtkDataSet* input, vtkPolyData* output);
191 // special contouring for image data
192 void ImageContour(int dim, vtkDataSet* input, vtkPolyData* output);
193 // default if not structured data
194 void DataSetContour(vtkDataSet* input, vtkPolyData* output);
195
196private:
198 void operator=(const vtkMarchingContourFilter&) = delete;
199};
200
205inline void vtkMarchingContourFilter::SetValue(int i, double value)
206{
207 this->ContourValues->SetValue(i, value);
208}
209
214{
215 return this->ContourValues->GetValue(i);
216}
217
223{
224 return this->ContourValues->GetValues();
225}
226
232inline void vtkMarchingContourFilter::GetValues(double* contourValues)
233{
234 this->ContourValues->GetValues(contourValues);
235}
236
243{
244 this->ContourValues->SetNumberOfContours(number);
245}
246
251{
252 return this->ContourValues->GetNumberOfContours();
253}
254
259inline void vtkMarchingContourFilter::GenerateValues(int numContours, double range[2])
260{
261 this->ContourValues->GenerateValues(numContours, range);
262}
263
269 int numContours, double rangeStart, double rangeEnd)
270{
271 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
272}
273
274#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:166
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:113
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:195
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