vtkPVArrayInformation.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPVArrayInformation_h
#define vtkPVArrayInformation_h
 
#include "vtkObject.h"
#include "vtkRemotingCoreModule.h" //needed for exports
#include "vtkTuple.h"              // for vtkTuple
 
#include <set>    // for std::set
#include <string> // for std::string
#include <vector> // for std::vector
 
class vtkAbstractArray;
class vtkCellAttribute;
class vtkCellGrid;
class vtkClientServerStream;
class vtkFieldData;
class vtkGenericAttribute;
 
class VTKREMOTINGCORE_EXPORT vtkPVArrayInformation : public vtkObject
{
public:
  static vtkPVArrayInformation* New();
  vtkTypeMacro(vtkPVArrayInformation, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize();
 
  vtkGetMacro(DataType, int);
 
  const char* GetDataTypeAsString() const { return vtkImageScalarTypeNameMacro(this->DataType); }
 
  std::string GetRangesAsString(int lowExponent = -6, int highExponent = 20) const;
 
  const char* GetName() const { return this->Name.empty() ? nullptr : this->Name.c_str(); }
 
  int GetNumberOfComponents() const;
 
  const char* GetComponentName(int component) const;
 
  vtkGetMacro(NumberOfTuples, vtkTypeInt64);
 
 
  const double* GetComponentRange(int comp) const VTK_SIZEHINT(2);
  void GetComponentRange(int comp, double range[2]) const;
 
 
  const double* GetComponentFiniteRange(int component) const VTK_SIZEHINT(2);
  void GetComponentFiniteRange(int comp, double range[2]) const;
 
  void GetDataTypeRange(double range[2]) const;
 
 
  vtkGetMacro(IsPartial, bool);
 
 
  int GetNumberOfInformationKeys() const;
  const char* GetInformationKeyLocation(int) const;
  const char* GetInformationKeyName(int) const;
  bool HasInformationKey(const char* location, const char* name) const;
 
 
  int GetNumberOfStringValues();
  const char* GetStringValue(int);
 
  void CopyFromArray(vtkAbstractArray* array, vtkFieldData* fd = nullptr);
  void CopyFromCellAttribute(vtkCellGrid* grid, vtkCellAttribute* attribute);
  void CopyFromGenericAttribute(vtkGenericAttribute* array);
  void CopyToStream(vtkClientServerStream*) const;
  bool CopyFromStream(const vtkClientServerStream*);
 
protected:
  vtkPVArrayInformation();
  ~vtkPVArrayInformation() override;
 
  friend class vtkPVDataSetAttributesInformation;
  friend class vtkPVDataInformation;
 
 
  void DeepCopy(vtkPVArrayInformation* info);
  void AddInformation(vtkPVArrayInformation*, int fieldAssociation);
  vtkSetMacro(IsPartial, bool);
 
  vtkSetMacro(Name, std::string);
 
private:
  std::string Name;
  int DataType = -1;
  vtkTypeInt64 NumberOfTuples = 0;
  bool IsPartial = false;
 
  struct ComponentInfo
  {
    vtkTuple<double, 2> Range = vtkTuple<double, 2>({ VTK_DOUBLE_MAX, -VTK_DOUBLE_MAX });
    vtkTuple<double, 2> FiniteRange = vtkTuple<double, 2>({ VTK_DOUBLE_MAX, -VTK_DOUBLE_MAX });
    std::string Name;
    mutable std::string DefaultName;
  };
 
  std::vector<ComponentInfo> Components;
  std::vector<std::string> StringValues;
 
  // this array is used to store existing information keys (location/name pairs)
  std::set<std::pair<std::string, std::string>> InformationKeys;
 
  vtkPVArrayInformation(const vtkPVArrayInformation&) = delete;
  void operator=(const vtkPVArrayInformation&) = delete;
};
 
#endif