VTK  9.4.20251007
vtkDataObject.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
27
28#ifndef vtkDataObject_h
29#define vtkDataObject_h
30
31#include "vtkCommonDataModelModule.h" // For export macro
32#include "vtkObject.h"
33#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
34
35VTK_ABI_NAMESPACE_BEGIN
38class vtkFieldData;
39class vtkInformation;
50
51#define VTK_PIECES_EXTENT 0
52#define VTK_3D_EXTENT 1
53#define VTK_TIME_EXTENT 2
54
55class VTKCOMMONDATAMODEL_EXPORT VTK_MARSHALAUTO vtkDataObject : public vtkObject
56{
57public:
58 static vtkDataObject* New();
59
60 vtkTypeMacro(vtkDataObject, vtkObject);
61 void PrintSelf(ostream& os, vtkIndent indent) override;
62
64
68 vtkGetObjectMacro(Information, vtkInformation);
72
78
82 virtual void Initialize();
83
90
92
97
99
108
110
114 vtkGetObjectMacro(FieldData, vtkFieldData);
116
123 virtual int GetDataObjectType() { return VTK_DATA_OBJECT; }
124
130
138 virtual unsigned long GetActualMemorySize();
139
144 virtual void CopyInformationFromPipeline(vtkInformation* vtkNotUsed(info)) {}
145
151 virtual void CopyInformationToPipeline(vtkInformation* vtkNotUsed(info)) {}
152
160 vtkInformation* info, int fieldAssociation, int attributeType);
161
168 vtkInformation* info, int fieldAssociation, const char* name);
169
174 vtkInformation* info, int fieldAssociation, const char* name);
175
183 vtkInformation* info, int fieldAssociation, const char* attributeName, int attributeType);
184
194 static void SetActiveAttributeInfo(vtkInformation* info, int fieldAssociation, int attributeType,
195 const char* name, int arrayType, int numComponents, int numTuples);
196
201 static void SetPointDataActiveScalarInfo(vtkInformation* info, int arrayType, int numComponents);
202
209
215 virtual void PrepareForNewData() { this->Initialize(); }
216
224 virtual void ShallowCopy(vtkDataObject* src);
225
233 virtual void DeepCopy(vtkDataObject* src);
234
243 virtual int GetExtentType() { return VTK_PIECES_EXTENT; }
244
249 virtual void Crop(const int* updateExtent);
250
265
281
302
315
328 virtual bool SupportsGhostArray(int type);
329
337
344
349
360
365 static const char* GetAssociationTypeAsString(int associationType);
366
371 static int GetAssociationTypeFromString(const char* associationName);
372
481
482 // Key used to put SIL information in the output information by readers.
487
489
495
496protected:
498 ~vtkDataObject() override;
499
500 // General field data associated with data object
502
503 // Keep track of data release during network execution
505
506 // When was this data last generated?
508
509 // Arbitrary extra information associated with this data object.
511
512private:
513 // Helper method for the ShallowCopy and DeepCopy methods.
514 void InternalDataObjectCopy(vtkDataObject* src);
515
516 vtkDataObject(const vtkDataObject&) = delete;
517 void operator=(const vtkDataObject&) = delete;
518};
519
520VTK_ABI_NAMESPACE_END
521#endif
Abstract superclass for all arrays.
static vtkInformation * GetActiveFieldInformation(vtkInformation *info, int fieldAssociation, int attributeType)
Return the information object within the input information object's field data corresponding to the s...
virtual void ShallowCopy(vtkDataObject *src)
The goal of the method is to copy the data up to the array pointers only.
virtual vtkFieldData * GetAttributesAsFieldData(int type)
Returns the attributes of the data object as a vtkFieldData.
vtkMTimeType GetUpdateTime()
Used by Threaded ports to determine if they should initiate an asynchronous update (still in developm...
virtual void Initialize()
Restore data object to initial state,.
static const char * GetAssociationTypeAsString(int associationType)
Given an integer association type, this static method returns a string type for the attribute (i....
static vtkTypeBool GetGlobalReleaseDataFlag()
Turn on/off flag to control whether every object releases its data after being used by a filter.
virtual int GetAttributeTypeForArray(vtkAbstractArray *arr)
Retrieves the attribute type that an array came from.
virtual unsigned long GetActualMemorySize()
Return the actual size of the data in kibibytes (1024 bytes).
static void SetActiveAttributeInfo(vtkInformation *info, int fieldAssociation, int attributeType, const char *name, int arrayType, int numComponents, int numTuples)
Set the name, array type, number of components, and number of tuples within the passed information ob...
virtual void Crop(const int *updateExtent)
This method crops the data object (if necessary) so that the extent matches the update extent.
FieldOperations
Possible values for the FIELD_OPERATION information entry.
@ FIELD_OPERATION_REINTERPOLATED
~vtkDataObject() override
vtkTimeStamp UpdateTime
virtual void DeepCopy(vtkDataObject *src)
The goal of the method is to copy the complete data from src into this object.
static int GetAssociationTypeFromString(const char *associationName)
Given a string association name, this static method returns an integer association type for the attri...
vtkFieldData * FieldData
virtual bool SupportsGhostArray(int type)
Returns if this type of data object support ghost array for specified type.
void ReleaseData()
Release data back to system to conserve memory resource.
FieldAssociations
Possible values for the FIELD_ASSOCIATION information entry.
@ FIELD_ASSOCIATION_POINTS_THEN_CELLS
static vtkDataObject * GetData(vtkInformationVector *v, int i=0)
Retrieve an instance of this class from an information object.
virtual void SetInformation(vtkInformation *)
Set/Get the information object associated with this data object.
virtual void PrepareForNewData()
make the output data ready for new data to be inserted.
void GlobalReleaseDataFlagOff()
Turn on/off flag to control whether every object releases its data after being used by a filter.
vtkTypeBool DataReleased
AttributeTypes
Possible attribute types.
static void RemoveNamedFieldInformation(vtkInformation *info, int fieldAssociation, const char *name)
Remove the info associated with an array.
virtual void CopyInformationFromPipeline(vtkInformation *vtkNotUsed(info))
Copy from the pipeline information to the data object's own information.
virtual vtkDataSetAttributes * GetAttributes(int type)
Returns the attributes of the data object of the specified attribute type.
static vtkDataObject * GetData(vtkInformation *info)
Retrieve an instance of this class from an information object.
static vtkInformation * SetActiveAttribute(vtkInformation *info, int fieldAssociation, const char *attributeName, int attributeType)
Set the named array to be the active field for the specified type (SCALARS, VECTORS,...
void DataHasBeenGenerated()
This method is called by the source when it executes to generate data.
virtual vtkUnsignedCharArray * GetGhostArray(int type)
Returns the ghost arrays of the data object of the specified attribute type.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual int GetDataObjectType()
Return class name of data type.
vtkMTimeType GetMTime() override
Data objects are composite objects and need to check each part for MTime.
static vtkInformation * GetNamedFieldInformation(vtkInformation *info, int fieldAssociation, const char *name)
Return the information object within the input information object's field data corresponding to the s...
void GlobalReleaseDataFlagOn()
Turn on/off flag to control whether every object releases its data after being used by a filter.
static void SetPointDataActiveScalarInfo(vtkInformation *info, int arrayType, int numComponents)
Convenience version of previous method for use (primarily) by the Imaging filters.
static void SetGlobalReleaseDataFlag(vtkTypeBool val)
Turn on/off flag to control whether every object releases its data after being used by a filter.
static vtkDataObject * New()
virtual void CopyInformationToPipeline(vtkInformation *vtkNotUsed(info))
Copy information from this data object to the pipeline information.
virtual void SetFieldData(vtkFieldData *)
Assign or retrieve a general field data to this data object.
virtual int GetExtentType()
The ExtentType will be left as VTK_PIECES_EXTENT for data objects such as vtkPolyData and vtkUnstruct...
virtual vtkIdType GetNumberOfElements(int type)
Get the number of elements for a specific attribute type (POINT, CELL, etc.).
vtkInformation * Information
represent and manipulate attribute data in a dataset
represent and manipulate fields of data
a simple class to control print indentation
Definition vtkIndent.h:29
Key for vtkDataObject values.
Key for double values in vtkInformation.
Key for integer values in vtkInformation.
Key for string values in vtkInformation.
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
record modification and/or execution time
dynamic, self-adjusting array of unsigned char
static vtkInformationIntegerKey * FIELD_ACTIVE_ATTRIBUTE()
static vtkInformationDoubleVectorKey * DIRECTION()
static vtkInformationDoubleVectorKey * SPACING()
static vtkInformationDoubleKey * DATA_TIME_STEP()
static vtkInformationInformationVectorKey * CELL_DATA_VECTOR()
static vtkInformationIntegerKey * FIELD_OPERATION()
static vtkInformationIntegerVectorKey * PIECE_EXTENT()
static vtkInformationIntegerKey * FIELD_ARRAY_TYPE()
static vtkInformationIntegerKey * FIELD_NUMBER_OF_COMPONENTS()
static vtkInformationIntegerKey * FIELD_ATTRIBUTE_TYPE()
static vtkInformationIntegerKey * DATA_EXTENT_TYPE()
static vtkInformationIntegerKey * FIELD_NUMBER_OF_TUPLES()
static vtkInformationDoubleVectorKey * FIELD_RANGE()
static vtkInformationIntegerKey * FIELD_ASSOCIATION()
static vtkInformationIntegerKey * DATA_NUMBER_OF_PIECES()
static vtkInformationInformationVectorKey * VERTEX_DATA_VECTOR()
static vtkInformationInformationVectorKey * EDGE_DATA_VECTOR()
static vtkInformationIntegerPointerKey * DATA_EXTENT()
static vtkInformationIntegerKey * DATA_NUMBER_OF_GHOST_LEVELS()
static vtkInformationStringKey * FIELD_NAME()
static vtkInformationDataObjectKey * SIL()
static vtkInformationDoubleVectorKey * ORIGIN()
static vtkInformationDoubleVectorKey * BOUNDING_BOX()
static vtkInformationStringKey * DATA_TYPE_NAME()
static vtkInformationInformationVectorKey * POINT_DATA_VECTOR()
static vtkInformationIntegerVectorKey * ALL_PIECES_EXTENT()
static vtkInformationDataObjectKey * DATA_OBJECT()
static vtkInformationIntegerKey * DATA_PIECE_NUMBER()
int vtkTypeBool
Definition vtkABI.h:64
#define VTK_PIECES_EXTENT
int vtkIdType
Definition vtkType.h:315
#define VTK_DATA_OBJECT
Definition vtkType.h:72
vtkTypeUInt32 vtkMTimeType
Definition vtkType.h:270
#define VTK_MARSHAL_EXCLUDE_REASON_NOT_SUPPORTED
#define VTK_MARSHALAUTO
#define VTK_MARSHALEXCLUDE(reason)