VTK  9.1.0
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 =========================================================================*/
57 #ifndef vtkGenericDataSet_h
58 #define vtkGenericDataSet_h
59 
60 #include "vtkCommonDataModelModule.h" // For export macro
61 #include "vtkDataObject.h"
62 
63 class vtkCellTypes;
68 
69 class VTKCOMMONDATAMODEL_EXPORT vtkGenericDataSet : public vtkDataObject
70 {
71 public:
73 
77  void PrintSelf(ostream& os, vtkIndent indent) override;
79 
86 
93  virtual vtkIdType GetNumberOfCells(int dim = -1) = 0;
94 
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 
182  vtkMTimeType GetMTime() override;
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 
225  vtkGetObjectMacro(Attributes, vtkGenericAttributeCollection);
227 
244  {
245  return this->Superclass::GetAttributes(type);
246  }
247 
249 
254  virtual void SetTessellator(vtkGenericCellTessellator* tessellator);
255  vtkGetObjectMacro(Tessellator, vtkGenericCellTessellator);
257 
263  unsigned long GetActualMemorySize() override;
264 
268  int GetDataObjectType() override;
269 
274 
276 
282 
283 protected:
289 
290  ~vtkGenericDataSet() override;
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 
301 private:
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
Definition: vtkCellTypes.h:48
general representation of visualization data
Definition: vtkDataObject.h:60
represent and manipulate attribute data in a dataset
iterator used to traverse cells
helper class to perform cell tessellation
defines dataset interface
void PrintSelf(ostream &os, vtkIndent indent) override
Standard VTK type and print macros.
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 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.
virtual double * GetBounds()
Return a pointer to the geometry bounding box in the form (xmin,xmax, ymin,ymax, zmin,...
virtual double GetLength()
Return the length of the diagonal of the bounding box.
virtual int GetCellDimension()=0
Return -1 if the dataset is explicitly defined by cells of varying dimensions or if there are no cell...
vtkTimeStamp ComputeTime
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.
static vtkGenericDataSet * GetData(vtkInformation *info)
Retrieve an instance of this class from an information object.
virtual vtkGenericCellIterator * NewCellIterator(int dim=-1)=0
Return an iterator to traverse cells of dimension ‘dim’ (or all dimensions if -1) that explicitly def...
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 vtkGenericPointIterator * NewPointIterator()=0
Return an iterator to traverse the points composing the dataset; they can be points that define a cel...
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).
vtkDataSetAttributes * GetAttributes(int type) override
Returns the attributes of the data object of the specified attribute type.
vtkIdType GetNumberOfElements(int type) override
Get the number of elements for a specific attribute type (POINT, CELL, etc.).
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...
vtkMTimeType GetMTime() override
Datasets are composite objects and need to check each part for their modified time.
vtkGenericCellTessellator * Tessellator
vtkGenericAttributeCollection * Attributes
virtual double * GetCenter()
Get the center of the bounding box in global coordinates.
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
Definition: vtkTimeStamp.h:33
@ info
Definition: vtkX3D.h:382
@ center
Definition: vtkX3D.h:236
@ type
Definition: vtkX3D.h:522
int vtkIdType
Definition: vtkType.h:332
vtkTypeUInt32 vtkMTimeType
Definition: vtkType.h:287
#define VTK_NEWINSTANCE