vtkDataObject.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDataObject.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkDataObject_h
#define vtkDataObject_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkAbstractArray;
class vtkDataArray;
class vtkDataSetAttributes;
class vtkFieldData;
class vtkInformation;
class vtkInformationDataObjectKey;
class vtkInformationDoubleKey;
class vtkInformationDoubleVectorKey;
class vtkInformationIntegerKey;
class vtkInformationIntegerPointerKey;
class vtkInformationIntegerVectorKey;
class vtkInformationStringKey;
class vtkInformationVector;
class vtkInformationInformationVectorKey;
 
#define VTK_PIECES_EXTENT 0
#define VTK_3D_EXTENT 1
#define VTK_TIME_EXTENT 2
 
class VTKCOMMONDATAMODEL_EXPORT vtkDataObject : public vtkObject
{
public:
  static vtkDataObject* New();
 
  vtkTypeMacro(vtkDataObject, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetObjectMacro(Information, vtkInformation);
  virtual void SetInformation(vtkInformation*);
 
  vtkMTimeType GetMTime() override;
 
  virtual void Initialize();
 
  void ReleaseData();
 
 
  vtkGetMacro(DataReleased, int);
 
 
  static void SetGlobalReleaseDataFlag(int val);
  void GlobalReleaseDataFlagOn() { this->SetGlobalReleaseDataFlag(1); }
  void GlobalReleaseDataFlagOff() { this->SetGlobalReleaseDataFlag(0); }
  static int GetGlobalReleaseDataFlag();
 
 
  virtual void SetFieldData(vtkFieldData*);
  vtkGetObjectMacro(FieldData, vtkFieldData);
 
  virtual int GetDataObjectType() { return VTK_DATA_OBJECT; }
 
  vtkMTimeType GetUpdateTime();
 
  virtual unsigned long GetActualMemorySize();
 
  virtual void CopyInformationFromPipeline(vtkInformation* vtkNotUsed(info)) {}
 
  virtual void CopyInformationToPipeline(vtkInformation* vtkNotUsed(info)) {}
 
  static vtkInformation* GetActiveFieldInformation(
    vtkInformation* info, int fieldAssociation, int attributeType);
 
  static vtkInformation* GetNamedFieldInformation(
    vtkInformation* info, int fieldAssociation, const char* name);
 
  static void RemoveNamedFieldInformation(
    vtkInformation* info, int fieldAssociation, const char* name);
 
  static vtkInformation* SetActiveAttribute(
    vtkInformation* info, int fieldAssociation, const char* attributeName, int attributeType);
 
  static void SetActiveAttributeInfo(vtkInformation* info, int fieldAssociation, int attributeType,
    const char* name, int arrayType, int numComponents, int numTuples);
 
  static void SetPointDataActiveScalarInfo(vtkInformation* info, int arrayType, int numComponents);
 
  void DataHasBeenGenerated();
 
  virtual void PrepareForNewData() { this->Initialize(); }
 
 
  virtual void ShallowCopy(vtkDataObject* src);
  virtual void DeepCopy(vtkDataObject* src);
 
  virtual int GetExtentType() { return VTK_PIECES_EXTENT; }
 
  virtual void Crop(const int* updateExtent);
 
  enum FieldAssociations
  {
    FIELD_ASSOCIATION_POINTS,
    FIELD_ASSOCIATION_CELLS,
    FIELD_ASSOCIATION_NONE,
    FIELD_ASSOCIATION_POINTS_THEN_CELLS,
    FIELD_ASSOCIATION_VERTICES,
    FIELD_ASSOCIATION_EDGES,
    FIELD_ASSOCIATION_ROWS,
    NUMBER_OF_ASSOCIATIONS
  };
 
  enum AttributeTypes
  {
    POINT,
    CELL,
    FIELD,
    POINT_THEN_CELL,
    VERTEX,
    EDGE,
    ROW,
    NUMBER_OF_ATTRIBUTE_TYPES
  };
 
  virtual vtkDataSetAttributes* GetAttributes(int type);
 
  virtual vtkDataArray* GetGhostArray(int type);
 
  virtual vtkFieldData* GetAttributesAsFieldData(int type);
 
  virtual int GetAttributeTypeForArray(vtkAbstractArray* arr);
 
  virtual vtkIdType GetNumberOfElements(int type);
 
  enum FieldOperations
  {
    FIELD_OPERATION_PRESERVED,
    FIELD_OPERATION_REINTERPOLATED,
    FIELD_OPERATION_MODIFIED,
    FIELD_OPERATION_REMOVED
  };
 
  static const char* GetAssociationTypeAsString(int associationType);
 
  static int GetAssociationTypeFromString(const char* associationName);
 
  // \ingroup InformationKeys
  static vtkInformationStringKey* DATA_TYPE_NAME();
  // \ingroup InformationKeys
  static vtkInformationDataObjectKey* DATA_OBJECT();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* DATA_EXTENT_TYPE();
  // \ingroup InformationKeys
  static vtkInformationIntegerPointerKey* DATA_EXTENT();
  // \ingroup InformationKeys
  static vtkInformationIntegerVectorKey* ALL_PIECES_EXTENT();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* DATA_PIECE_NUMBER();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* DATA_NUMBER_OF_PIECES();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* DATA_NUMBER_OF_GHOST_LEVELS();
  // \ingroup InformationKeys
  static vtkInformationDoubleKey* DATA_TIME_STEP();
  // \ingroup InformationKeys
  static vtkInformationInformationVectorKey* POINT_DATA_VECTOR();
  // \ingroup InformationKeys
  static vtkInformationInformationVectorKey* CELL_DATA_VECTOR();
  // \ingroup InformationKeys
  static vtkInformationInformationVectorKey* VERTEX_DATA_VECTOR();
  // \ingroup InformationKeys
  static vtkInformationInformationVectorKey* EDGE_DATA_VECTOR();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_ARRAY_TYPE();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_ASSOCIATION();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_ATTRIBUTE_TYPE();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_ACTIVE_ATTRIBUTE();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_NUMBER_OF_COMPONENTS();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_NUMBER_OF_TUPLES();
  // \ingroup InformationKeys
  static vtkInformationIntegerKey* FIELD_OPERATION();
  // \ingroup InformationKeys
  static vtkInformationDoubleVectorKey* FIELD_RANGE();
  // \ingroup InformationKeys
  static vtkInformationIntegerVectorKey* PIECE_EXTENT();
  // \ingroup InformationKeys
  static vtkInformationStringKey* FIELD_NAME();
  // \ingroup InformationKeys
  static vtkInformationDoubleVectorKey* ORIGIN();
  // \ingroup InformationKeys
  static vtkInformationDoubleVectorKey* SPACING();
  // \ingroup InformationKeys
  static vtkInformationDoubleVectorKey* DIRECTION();
  // \ingroup InformationKeys
  static vtkInformationDoubleVectorKey* BOUNDING_BOX();
 
  // Key used to put SIL information in the output information by readers.
  // \ingroup InformationKeys
  static vtkInformationDataObjectKey* SIL();
 
 
  static vtkDataObject* GetData(vtkInformation* info);
  static vtkDataObject* GetData(vtkInformationVector* v, int i = 0);
 
protected:
  vtkDataObject();
  ~vtkDataObject() override;
 
  // General field data associated with data object
  vtkFieldData* FieldData;
 
  // Keep track of data release during network execution
  int DataReleased;
 
  // When was this data last generated?
  vtkTimeStamp UpdateTime;
 
  // Arbitrary extra information associated with this data object.
  vtkInformation* Information;
 
private:
  // Helper method for the ShallowCopy and DeepCopy methods.
  void InternalDataObjectCopy(vtkDataObject* src);
 
private:
  vtkDataObject(const vtkDataObject&) = delete;
  void operator=(const vtkDataObject&) = delete;
};
 
#endif