VTK/Examples/Cxx/TextAnalysis/PowerWeighting

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PowerWeighting.cxx

#include <vtkSmartPointer.h>
#include <vtkPowerWeighting.h>
#include <vtkDenseArray.h>
 
int main(int, char *[])
{
  vtkSmartPointer<vtkDenseArray<double> > array =
    vtkSmartPointer<vtkDenseArray<double> >::New();
  array->Resize(2);
  array->SetValue(0, 3);
  array->SetValue(1, 4);
 
  vtkSmartPointer<vtkArrayData> arrayData =
    vtkSmartPointer<vtkArrayData>::New();
  arrayData->AddArray(array);
 
  vtkSmartPointer<vtkPowerWeighting> powerWeighting =
    vtkSmartPointer<vtkPowerWeighting>::New();
  powerWeighting->SetPower(2);
  powerWeighting->SetInputConnection(arrayData->GetProducerPort());
  powerWeighting->Update();
 
  vtkSmartPointer<vtkArrayData> outputArrayData = powerWeighting->GetOutput();
  vtkSmartPointer<vtkDenseArray<double> > outputArray = vtkDenseArray<double>::SafeDownCast(outputArrayData->GetArray(0));
 
  std::cout << outputArray->GetValue(0) << std::endl;
  std::cout << outputArray->GetValue(1) << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(PowerWeighting)
 
FIND_PACKAGE(VTK REQUIRED)
INCLUDE(${VTK_USE_FILE})
 
ADD_EXECUTABLE(PowerWeighting PowerWeighting.cxx)
TARGET_LINK_LIBRARIES(PowerWeighting vtkHybrid vtkTextAnalysis)
Retrieved from "http://www.vtk.org/Wiki/VTK/Examples/Cxx/TextAnalysis/PowerWeighting"
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