VTK/Examples/Cxx/Utilities/DiscretizableColorTransferFunction

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DiscretizableColorTransferFunction.cxx

#include <vtkSmartPointer.h>
#include <vtkDiscretizableColorTransferFunction.h>
 
int main(int, char *[])
{
  vtkSmartPointer<vtkDiscretizableColorTransferFunction> discretizableColorTransferFunction = 
    vtkSmartPointer<vtkDiscretizableColorTransferFunction>::New();
 
  discretizableColorTransferFunction->DiscretizeOn();
  discretizableColorTransferFunction->SetNumberOfValues(10);
 
  discretizableColorTransferFunction->AddRGBPoint(0.0, 1, 0, 0);
  discretizableColorTransferFunction->AddRGBPoint(10.0, 0, 1, 0);
  discretizableColorTransferFunction->Build();
 
  double color[3];
  discretizableColorTransferFunction->GetColor(1.0, color);
  std::cout << color[0] << " " << color[1] << " " << color[2] << std::endl;
 
  discretizableColorTransferFunction->GetColor(5.0, color);
  std::cout << color[0] << " " << color[1] << " " << color[2] << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

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