WarpTo

#include <vtkDataSetMapper.h>
#include <vtkLineSource.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkTubeFilter.h>
#include <vtkWarpTo.h>

int main(int, char*[])
{
  vtkNew<vtkNamedColors> namedColors;

  // Create the RenderWindow, Renderer and both Actors.
  vtkNew<vtkRenderer> renderer;
  vtkNew<vtkRenderWindow> renderWindow;
  renderWindow->AddRenderer(renderer);
  vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
  renderWindowInteractor->SetRenderWindow(renderWindow);

  // Create a line
  vtkNew<vtkLineSource> lineSource;
  lineSource->SetPoint1(0.0, 0.0, 0.0);
  lineSource->SetPoint2(0.0, 1.0, 0.0);
  lineSource->SetResolution(20);
  lineSource->Update();

  // Create a tube (cylinder) around the line.
  vtkNew<vtkTubeFilter> tubeFilter;
  tubeFilter->SetInputConnection(lineSource->GetOutputPort());
  tubeFilter->SetRadius(.01); // default is .5
  tubeFilter->SetNumberOfSides(50);
  tubeFilter->Update();

  vtkNew<vtkWarpTo> warpTo;
  warpTo->SetInputConnection(tubeFilter->GetOutputPort());
  warpTo->SetPosition(10, 1, 0);
  warpTo->SetScaleFactor(5);
  warpTo->AbsoluteOn();

  vtkNew<vtkDataSetMapper> mapper;
  mapper->SetInputConnection(warpTo->GetOutputPort());
  mapper->ScalarVisibilityOff();

  vtkNew<vtkActor> actor;
  actor->SetMapper(mapper);
  actor->GetProperty()->SetColor(namedColors->GetColor3d("Gold").GetData());

  renderer->AddActor(actor);
  renderer->SetBackground(namedColors->GetColor3d("Green").GetData());

  renderWindow->SetWindowName("WarpTo");
  renderWindow->Render();

  renderWindowInteractor->Initialize();
  renderWindowInteractor->Start();

  return EXIT_SUCCESS;
}

cmake_minimum_required(VERSION 3.12 FATAL_ERROR)

project(WarpTo)

find_package(VTK COMPONENTS 
  CommonColor
  CommonCore
  FiltersCore
  FiltersGeneral
  FiltersSources
  InteractionStyle
  RenderingContextOpenGL2
  RenderingCore
  RenderingFreeType
  RenderingGL2PSOpenGL2
  RenderingOpenGL2
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "WarpTo: 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(WarpTo MACOSX_BUNDLE WarpTo.cxx )
  target_link_libraries(WarpTo PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
  TARGETS WarpTo
  MODULES ${VTK_LIBRARIES}
)

cd WarpTo/build

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./WarpTo