VTK  9.2.6
vtkGenericDataSet.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkGenericDataSet.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=========================================================================*/
56
57#ifndef vtkGenericDataSet_h
58#define vtkGenericDataSet_h
59
60#include "vtkCommonDataModelModule.h" // For export macro
61#include "vtkDataObject.h"
62
63class vtkCellTypes;
68
69class VTKCOMMONDATAMODEL_EXPORT vtkGenericDataSet : public vtkDataObject
70{
71public:
73
77 void PrintSelf(ostream& os, vtkIndent indent) override;
79
86
93 virtual vtkIdType GetNumberOfCells(int dim = -1) = 0;
94
98 vtkIdType GetNumberOfElements(int type) override;
99
106 virtual int GetCellDimension() = 0;
107
118 virtual void GetCellTypes(vtkCellTypes* types);
119
132 virtual vtkGenericCellIterator* NewCellIterator(int dim = -1) = 0;
133
144 virtual vtkGenericCellIterator* NewBoundaryIterator(int dim = -1, int exteriorOnly = 0) = 0;
145
154
168 virtual int FindCell(
169 double x[3], vtkGenericCellIterator*& cell, double tol2, int& subId, double pcoords[3]) = 0;
170
176 virtual void FindPoint(double x[3], vtkGenericPointIterator* p) = 0;
177
183
187 virtual void ComputeBounds() = 0;
188
195 virtual double* GetBounds();
196
201 virtual void GetBounds(double bounds[6]);
202
208 virtual double* GetCenter();
209
213 virtual void GetCenter(double center[3]);
214
219 virtual double GetLength();
220
222
227
244 {
245 return this->Superclass::GetAttributes(type);
246 }
247
249
254 virtual void SetTessellator(vtkGenericCellTessellator* tessellator);
257
263 unsigned long GetActualMemorySize() override;
264
268 int GetDataObjectType() override;
269
274
276
282
283protected:
289
291
293
294 // Main helper class to tessellate a higher order cell into linear ones.
296
297 double Bounds[6]; // (xmin,xmax, ymin,ymax, zmin,zmax) geometric bounds
298 double Center[3]; // Center of the geometric bounding box
299 vtkTimeStamp ComputeTime; // Time at which bounds, center, etc. computed
300
301private:
302 vtkGenericDataSet(const vtkGenericDataSet&) = delete;
303 void operator=(const vtkGenericDataSet&) = delete;
304};
305
306#endif
object provides direct access to cells in vtkCellArray and type information
virtual vtkDataSetAttributes * GetAttributes(int type)
Returns the attributes of the data object of the specified attribute type.
represent and manipulate attribute data in a dataset
iterator used to traverse cells
helper class to perform cell tessellation
void PrintSelf(ostream &os, vtkIndent indent) override
Standard VTK type and print macros.
virtual void ComputeBounds()=0
Compute the geometry bounding box.
virtual void SetTessellator(vtkGenericCellTessellator *tessellator)
Set/Get a cell tessellator if cells must be tessellated during processing.
vtkGenericDataSet()
Constructor with uninitialized bounds (1,-1, 1,-1, 1,-1), empty attribute collection and default tess...
unsigned long GetActualMemorySize() override
Actual size of the data in kibibytes (1024 bytes); only valid after the pipeline has updated.
static vtkGenericDataSet * GetData(vtkInformationVector *v, int i=0)
Retrieve an instance of this class from an information object.
virtual vtkIdType GetNumberOfPoints()=0
Return the number of points composing the dataset.
vtkDataSetAttributes * GetAttributes(int type) override
Returns the attributes of the data object of the specified attribute type.
virtual double GetLength()
Return the length of the diagonal of the bounding box.
static vtkGenericDataSet * GetData(vtkInformation *info)
Retrieve an instance of this class from an information object.
virtual int GetCellDimension()=0
Return -1 if the dataset is explicitly defined by cells of varying dimensions or if there are no cell...
int GetDataObjectType() override
Return the type of data object.
virtual vtkIdType GetNumberOfCells(int dim=-1)=0
Return the number of cells that explicitly define the dataset.
virtual double * GetBounds()
Return a pointer to the geometry bounding box in the form (xmin,xmax, ymin,ymax, zmin,...
virtual vtkGenericPointIterator * NewPointIterator()=0
Return an iterator to traverse the points composing the dataset; they can be points that define a cel...
virtual vtkGenericCellIterator * NewBoundaryIterator(int dim=-1, int exteriorOnly=0)=0
Return an iterator to traverse cell boundaries of dimension ‘dim’ (or all dimensions if -1) of the da...
virtual void GetCenter(double center[3])
Get the center of the bounding box in global coordinates.
virtual void GetBounds(double bounds[6])
Return the geometry bounding box in global coordinates in the form (xmin,xmax, ymin,...
~vtkGenericDataSet() override
virtual vtkIdType GetEstimatedSize()=0
Estimated size needed after tessellation (or special operation)
virtual void FindPoint(double x[3], vtkGenericPointIterator *p)=0
Locate the closest point ‘p’ to position ‘x’ (global coordinates).
vtkIdType GetNumberOfElements(int type) override
Get the number of elements for a specific attribute type (POINT, CELL, etc.).
virtual double * GetCenter()
Get the center of the bounding box in global coordinates.
virtual int FindCell(double x[3], vtkGenericCellIterator *&cell, double tol2, int &subId, double pcoords[3])=0
Locate the closest cell to position ‘x’ (global coordinates) with respect to a tolerance squared ‘tol...
virtual vtkGenericCellIterator * NewCellIterator(int dim=-1)=0
Return an iterator to traverse cells of dimension ‘dim’ (or all dimensions if -1) that explicitly def...
vtkMTimeType GetMTime() override
Datasets are composite objects and need to check each part for their modified time.
vtkGenericCellTessellator * Tessellator
vtkGenericAttributeCollection * Attributes
virtual void GetCellTypes(vtkCellTypes *types)
Get a list of types of cells in a dataset.
iterator used to traverse points
a simple class to control print indentation
Definition vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
record modification and/or execution time
int vtkIdType
Definition vtkType.h:332
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:287
#define VTK_NEWINSTANCE