VTK  9.3.0
vtkDataObject.h
Go to the documentation of this file.
1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
37#ifndef vtkDataObject_h
38#define vtkDataObject_h
39
40#include "vtkCommonDataModelModule.h" // For export macro
41#include "vtkObject.h"
42
43VTK_ABI_NAMESPACE_BEGIN
46class vtkFieldData;
47class vtkInformation;
58
59#define VTK_PIECES_EXTENT 0
60#define VTK_3D_EXTENT 1
61#define VTK_TIME_EXTENT 2
62
63class VTKCOMMONDATAMODEL_EXPORT vtkDataObject : public vtkObject
64{
65public:
66 static vtkDataObject* New();
67
68 vtkTypeMacro(vtkDataObject, vtkObject);
69 void PrintSelf(ostream& os, vtkIndent indent) override;
70
72
75 vtkGetObjectMacro(Information, vtkInformation);
78
84
88 virtual void Initialize();
89
96
98
101 vtkGetMacro(DataReleased, vtkTypeBool);
103
105
114
116
120 vtkGetObjectMacro(FieldData, vtkFieldData);
122
129 virtual int GetDataObjectType() { return VTK_DATA_OBJECT; }
130
136
144 virtual unsigned long GetActualMemorySize();
145
150 virtual void CopyInformationFromPipeline(vtkInformation* vtkNotUsed(info)) {}
151
157 virtual void CopyInformationToPipeline(vtkInformation* vtkNotUsed(info)) {}
158
166 vtkInformation* info, int fieldAssociation, int attributeType);
167
174 vtkInformation* info, int fieldAssociation, const char* name);
175
180 vtkInformation* info, int fieldAssociation, const char* name);
181
189 vtkInformation* info, int fieldAssociation, const char* attributeName, int attributeType);
190
200 static void SetActiveAttributeInfo(vtkInformation* info, int fieldAssociation, int attributeType,
201 const char* name, int arrayType, int numComponents, int numTuples);
202
207 static void SetPointDataActiveScalarInfo(vtkInformation* info, int arrayType, int numComponents);
208
215
221 virtual void PrepareForNewData() { this->Initialize(); }
222
230 virtual void ShallowCopy(vtkDataObject* src);
231
239 virtual void DeepCopy(vtkDataObject* src);
240
249 virtual int GetExtentType() { return VTK_PIECES_EXTENT; }
250
255 virtual void Crop(const int* updateExtent);
256
261 {
269 NUMBER_OF_ASSOCIATIONS
270 };
271
277 {
285 NUMBER_OF_ATTRIBUTE_TYPES
286 };
287
308
321
329
336
341
346 {
350 FIELD_OPERATION_REMOVED
351 };
352
357 static const char* GetAssociationTypeAsString(int associationType);
358
363 static int GetAssociationTypeFromString(const char* associationName);
364
365 // \ingroup InformationKeys
367 // \ingroup InformationKeys
369 // \ingroup InformationKeys
371 // \ingroup InformationKeys
373 // \ingroup InformationKeys
375 // \ingroup InformationKeys
377 // \ingroup InformationKeys
379 // \ingroup InformationKeys
381 // \ingroup InformationKeys
383 // \ingroup InformationKeys
385 // \ingroup InformationKeys
387 // \ingroup InformationKeys
389 // \ingroup InformationKeys
391 // \ingroup InformationKeys
393 // \ingroup InformationKeys
395 // \ingroup InformationKeys
397 // \ingroup InformationKeys
399 // \ingroup InformationKeys
401 // \ingroup InformationKeys
403 // \ingroup InformationKeys
405 // \ingroup InformationKeys
407 // \ingroup InformationKeys
409 // \ingroup InformationKeys
411 // \ingroup InformationKeys
413 // \ingroup InformationKeys
415 // \ingroup InformationKeys
417 // \ingroup InformationKeys
419
420 // Key used to put SIL information in the output information by readers.
421 // \ingroup InformationKeys
423
425
431
432protected:
434 ~vtkDataObject() override;
435
436 // General field data associated with data object
438
439 // Keep track of data release during network execution
441
442 // When was this data last generated?
444
445 // Arbitrary extra information associated with this data object.
447
448private:
449 // Helper method for the ShallowCopy and DeepCopy methods.
450 void InternalDataObjectCopy(vtkDataObject* src);
451
452 vtkDataObject(const vtkDataObject&) = delete;
453 void operator=(const vtkDataObject&) = delete;
454};
455
456VTK_ABI_NAMESPACE_END
457#endif
Abstract superclass for all arrays.
general representation of visualization data
static vtkInformationIntegerKey * FIELD_ACTIVE_ATTRIBUTE()
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.
static vtkInformationDoubleVectorKey * DIRECTION()
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 vtkInformationDoubleVectorKey * SPACING()
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.
static vtkInformationDoubleKey * DATA_TIME_STEP()
static vtkInformationInformationVectorKey * CELL_DATA_VECTOR()
static vtkInformationIntegerKey * FIELD_OPERATION()
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.
static vtkInformationIntegerVectorKey * PIECE_EXTENT()
FieldOperations
Possible values for the FIELD_OPERATION information entry.
@ FIELD_OPERATION_REINTERPOLATED
~vtkDataObject() override
static vtkInformationIntegerKey * FIELD_ARRAY_TYPE()
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
static vtkInformationIntegerKey * FIELD_NUMBER_OF_COMPONENTS()
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 vtkInformationIntegerKey * FIELD_ATTRIBUTE_TYPE()
static vtkInformationIntegerKey * DATA_EXTENT_TYPE()
static vtkInformationIntegerKey * FIELD_NUMBER_OF_TUPLES()
static vtkDataObject * GetData(vtkInformationVector *v, int i=0)
Retrieve an instance of this class from an information object.
static vtkInformationDoubleVectorKey * FIELD_RANGE()
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.
static vtkInformationIntegerKey * FIELD_ASSOCIATION()
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.
static vtkInformationIntegerKey * DATA_NUMBER_OF_PIECES()
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,...
static vtkInformationInformationVectorKey * VERTEX_DATA_VECTOR()
static vtkInformationInformationVectorKey * EDGE_DATA_VECTOR()
static vtkInformationIntegerPointerKey * DATA_EXTENT()
static vtkInformationIntegerKey * DATA_NUMBER_OF_GHOST_LEVELS()
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.
static vtkInformationStringKey * FIELD_NAME()
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 vtkInformationDataObjectKey * SIL()
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...
static vtkInformationDoubleVectorKey * ORIGIN()
static vtkInformationDoubleVectorKey * BOUNDING_BOX()
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 vtkInformationStringKey * DATA_TYPE_NAME()
static vtkInformationInformationVectorKey * POINT_DATA_VECTOR()
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...
static vtkInformationIntegerVectorKey * ALL_PIECES_EXTENT()
static vtkInformationDataObjectKey * DATA_OBJECT()
virtual vtkIdType GetNumberOfElements(int type)
Get the number of elements for a specific attribute type (POINT, CELL, etc.).
static vtkInformationIntegerKey * DATA_PIECE_NUMBER()
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:38
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.
abstract base class for most VTK objects
Definition vtkObject.h:58
record modification and/or execution time
dynamic, self-adjusting array of unsigned char
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