VTK  9.4.20241217
vtkContourGrid.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
44#ifndef vtkContourGrid_h
45#define vtkContourGrid_h
46
47#include "vtkFiltersCoreModule.h" // For export macro
49
50#include "vtkContourValues.h" // Needed for inline methods
51
52VTK_ABI_NAMESPACE_BEGIN
53class vtkEdgeTable;
54class vtkScalarTree;
56
57class VTKFILTERSCORE_EXPORT vtkContourGrid : public vtkPolyDataAlgorithm
58{
59public:
61 void PrintSelf(ostream& os, vtkIndent indent) override;
62
68
70
73 void SetValue(int i, double value);
74 double GetValue(int i);
75 double* GetValues();
76 void GetValues(double* contourValues);
77 void SetNumberOfContours(int number);
78 vtkIdType GetNumberOfContours();
79 void GenerateValues(int numContours, double range[2]);
80 void GenerateValues(int numContours, double rangeStart, double rangeEnd);
82
87
89
95 vtkSetMacro(ComputeNormals, vtkTypeBool);
96 vtkGetMacro(ComputeNormals, vtkTypeBool);
97 vtkBooleanMacro(ComputeNormals, vtkTypeBool);
99
101
104 vtkSetMacro(ComputeScalars, vtkTypeBool);
105 vtkGetMacro(ComputeScalars, vtkTypeBool);
106 vtkBooleanMacro(ComputeScalars, vtkTypeBool);
108
110
113 vtkSetMacro(UseScalarTree, vtkTypeBool);
114 vtkGetMacro(UseScalarTree, vtkTypeBool);
115 vtkBooleanMacro(UseScalarTree, vtkTypeBool);
117
119
124 vtkGetObjectMacro(ScalarTree, vtkScalarTree);
126
128
133 vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
135
137
144 vtkSetMacro(GenerateTriangles, vtkTypeBool);
145 vtkGetMacro(GenerateTriangles, vtkTypeBool);
146 vtkBooleanMacro(GenerateTriangles, vtkTypeBool);
148
154
156
161 void SetOutputPointsPrecision(int precision);
164
165protected:
167 ~vtkContourGrid() override;
168
170 int FillInputPortInformation(int port, vtkInformation* info) override;
171
176
178
181
184
185private:
186 vtkContourGrid(const vtkContourGrid&) = delete;
187 void operator=(const vtkContourGrid&) = delete;
188};
189
194inline void vtkContourGrid::SetValue(int i, double value)
195{
196 this->ContourValues->SetValue(i, value);
197}
198
202inline double vtkContourGrid::GetValue(int i)
203{
204 return this->ContourValues->GetValue(i);
205}
206
212{
213 return this->ContourValues->GetValues();
214}
215
221inline void vtkContourGrid::GetValues(double* contourValues)
222{
223 this->ContourValues->GetValues(contourValues);
224}
225
232{
233 this->ContourValues->SetNumberOfContours(number);
234}
235
240{
241 return this->ContourValues->GetNumberOfContours();
242}
243
248inline void vtkContourGrid::GenerateValues(int numContours, double range[2])
249{
250 this->ContourValues->GenerateValues(numContours, range);
251}
252
257inline void vtkContourGrid::GenerateValues(int numContours, double rangeStart, double rangeEnd)
258{
259 this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);
260}
261
262VTK_ABI_NAMESPACE_END
263#endif
generate isosurfaces/isolines from scalar values (specialized for unstructured grids)
double * GetValues()
Get a pointer to an array of contour values.
void SetLocator(vtkIncrementalPointLocator *locator)
Set / get a spatial locator for merging points.
vtkIncrementalPointLocator * Locator
void GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
static vtkContourGrid * New()
Construct object with initial range (0,1) and single contour value of 0.0.
vtkEdgeTable * EdgeTable
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called by the superclass.
int FillInputPortInformation(int port, vtkInformation *info) override
Fill the input port information objects for this algorithm.
vtkContourValues * ContourValues
void SetNumberOfContours(int number)
Set the number of contours to place into the list.
~vtkContourGrid() override
void SetValue(int i, double value)
Methods to set / get contour values.
void SetScalarTree(vtkScalarTree *sTree)
Specify the instance of vtkScalarTree to use.
vtkIdType GetNumberOfContours()
Get the number of contours in the list of contour values.
vtkTypeBool ComputeNormals
vtkMTimeType GetMTime() override
Modified GetMTime Because we delegate to vtkContourValues.
vtkTypeBool GenerateTriangles
void CreateDefaultLocator()
Create default locator.
vtkScalarTree * ScalarTree
int GetOutputPointsPrecision() const
Set/get the desired precision for the output types.
double GetValue(int i)
Get the ith contour value.
vtkTypeBool UseScalarTree
vtkTypeBool ComputeScalars
void SetOutputPointsPrecision(int precision)
Set/get the desired precision for the output types.
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 SetNumberOfContours(int number)
Set the number of contours to place into the list.
void GenerateValues(int numContours, double range[2])
Generate numContours equally spaced contour values between specified range.
void SetValue(int i, double value)
Set the ith contour value.
double GetValue(int i)
Get the ith contour value.
keep track of edges (edge is pair of integer id's)
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:108
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Superclass for algorithms that produce only polydata as output.
organize data according to scalar values (used to accelerate contouring operations)
int vtkTypeBool
Definition vtkABI.h:64
int vtkIdType
Definition vtkType.h:315
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:270