VTK/Examples/ImplicitFunctions/ImplicitDataSet

ImplicitDataSet.cxx

#include <vtkImageData.h>
#include <vtkImplicitDataSet.h>
#include <vtkRTAnalyticSource.h>
#include <vtkSmartPointer.h>
#include <vtkSphereSource.h>

int main(int argc, char **argv)
{
  vtkSmartPointer<vtkRTAnalyticSource> waveletSource =
      vtkSmartPointer<vtkRTAnalyticSource>::New();
  waveletSource->Update();

  vtkSmartPointer<vtkImplicitDataSet> implicitWavelet =
      vtkSmartPointer<vtkImplicitDataSet>::New();
  implicitWavelet->SetDataSet(waveletSource->GetOutput());

  double x[3] = {.5,0,0};
  // Value should roughly be 258.658.
  cout << "x: " << implicitWavelet->EvaluateFunction(x) << endl;

  return EXIT_SUCCESS;
}

Please try the new VTKExamples website.

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(ImplicitDataSet)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(ImplicitDataSet MACOSX_BUNDLE ImplicitDataSet.cxx)

if(VTK_LIBRARIES)
  target_link_libraries(ImplicitDataSet ${VTK_LIBRARIES})
else()
  target_link_libraries(ImplicitDataSet vtkHybrid vtkWidgets)
endif()

Download and Build ImplicitDataSet

Click here to download ImplicitDataSet. and its CMakeLists.txt file.

Once the tarball ImplicitDataSet.tar has been downloaded and extracted,

cd ImplicitDataSet/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:

./ImplicitDataSet

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.