Skip to content

ImplicitDataSet

vtk-examples/Cxx/ImplicitFunctions/ImplicitDataSet

Other languages

See (Java)

Question

If you have a question about this example, please use the VTK Discourse Forum

Code

ImplicitDataSet.cxx

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

int main(int /* argc */, char* /* argv */[])
{
  vtkNew<vtkRTAnalyticSource> waveletSource;
  waveletSource->Update();

  vtkNew<vtkImplicitDataSet> implicitWavelet;
  implicitWavelet->SetDataSet(waveletSource->GetOutput());

  double x[3] = {0.5, 0, 0};
  // Value should roughly be 258.658.
  cout << "x: " << implicitWavelet->EvaluateFunction(x) << endl;

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(ImplicitDataSet)

find_package(VTK COMPONENTS 
  CommonCore
  CommonDataModel
  FiltersSources
  ImagingCore
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "ImplicitDataSet: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
add_executable(ImplicitDataSet MACOSX_BUNDLE ImplicitDataSet.cxx )
  target_link_libraries(ImplicitDataSet PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS ImplicitDataSet
  MODULES ${VTK_LIBRARIES}
)

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

Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.