vtkTableToRectilinearGrid.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkTableToRectilinearGrid_h
#define vtkTableToRectilinearGrid_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkRectilinearGridAlgorithm.h"
#include "vtkSmartPointer.h" // for smart pointer
 
#include <string>
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDataArray;
class vtkDoubleArray;
class vtkIdTypeArray;
class vtkRectilinearGrid;
class vtkTable;
 
class VTKFILTERSGENERAL_EXPORT vtkTableToRectilinearGrid : public vtkRectilinearGridAlgorithm
{
public:
  static vtkTableToRectilinearGrid* New();
  vtkTypeMacro(vtkTableToRectilinearGrid, vtkRectilinearGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void SetXColumn(const std::string& name);
  std::string GetXColumn();


  void SetYColumn(const std::string& name);
  std::string GetYColumn();


  void SetZColumn(const std::string& name);
  std::string GetZColumn();

  void SetXYZColumns(const std::string& xname, const std::string& yname, const std::string& zname);
 
protected:
  vtkTableToRectilinearGrid();
  ~vtkTableToRectilinearGrid() override = default;
 
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  int FillInputPortInformation(int port, vtkInformation* info) override;
 
private:
  vtkTableToRectilinearGrid(const vtkTableToRectilinearGrid&) = delete;
  void operator=(const vtkTableToRectilinearGrid&) = delete;

  void SetCoordinateArrays(vtkInformationVector** inputInfo, vtkRectilinearGrid* output);

  bool ComputeCoordinateArray(vtkDataArray* column, vtkDoubleArray* coords);

  void ColumnsToPointData(vtkTable* table, vtkRectilinearGrid* grid, vtkIdTypeArray* pointToRow);

  vtkSmartPointer<vtkIdTypeArray> ComputePointToRowMap(
    vtkInformationVector** inputInfo, vtkTable* inputTable, vtkRectilinearGrid* grid);

  void MarkBlanks(vtkRectilinearGrid* grid, vtkIdTypeArray* map);
};
 
VTK_ABI_NAMESPACE_END
#endif