DiscretizableColorTransferFunction
VTKExamples/Cxx/Utilities/DiscretizableColorTransferFunction
Code
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 2.8)
PROJECT(DiscretizableColorTransferFunction)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(DiscretizableColorTransferFunction MACOSX_BUNDLE DiscretizableColorTransferFunction.cxx)
target_link_libraries(DiscretizableColorTransferFunction ${VTK_LIBRARIES})
Download and Build DiscretizableColorTransferFunction
Click here to download DiscretizableColorTransferFunction and its CMakeLists.txt file. Once the tarball DiscretizableColorTransferFunction.tar has been downloaded and extracted,
cd DiscretizableColorTransferFunction/build
If VTK is installed:
cmake ..
If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..
Build the project:
make
and run it:
./DiscretizableColorTransferFunction
WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.