ttkHelloWorld.h

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#pragma once
 
// VTK Module
#include <ttkHelloWorldModule.h>
 
// VTK Includes
#include <ttkAlgorithm.h>
 
/* Note on including VTK modules
 *
 * Each VTK module that you include a header from needs to be specified in this
 * module's vtk.module file, either in the DEPENDS or PRIVATE_DEPENDS (if the
 * header is included in the cpp file only) sections.
 *
 * In order to find the corresponding module, check its location within the VTK
 * source code. The VTK module name is composed of the path to the header. You
 * can also find the module name within the vtk.module file located in the same
 * directory as the header file.
 *
 * For example, vtkSphereSource.h is located in directory VTK/Filters/Sources/,
 * so its corresponding VTK module is called VTK::FiltersSources. In this case,
 * the vtk.module file would need to be extended to
 *
 * NAME
 *   ttkHelloWorld
 * DEPENDS
 *   ttkAlgorithm
 *   VTK::FiltersSources
 */
 
// TTK Base Includes
#include <HelloWorld.h>
 
class TTKHELLOWORLD_EXPORT ttkHelloWorld
  : public ttkAlgorithm // we inherit from the generic ttkAlgorithm class
  ,
    protected ttk::HelloWorld // and we inherit from the base class
{
private:
  std::string OutputArrayName{"AveragedScalarField"};
 
public:
  vtkSetMacro(OutputArrayName, const std::string &);
  vtkGetMacro(OutputArrayName, std::string);
 
  static ttkHelloWorld *New();
  vtkTypeMacro(ttkHelloWorld, ttkAlgorithm);
 
protected:
  ttkHelloWorld();
  ~ttkHelloWorld() override = default;
 
  int FillInputPortInformation(int port, vtkInformation *info) override;
 
  int FillOutputPortInformation(int port, vtkInformation *info) override;
 
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector) override;
};