RuledSurfaceFilter
vtk-examples/Cxx/PolyData/RuledSurfaceFilter
Question
If you have a question about this example, please use the VTK Discourse Forum
Code¶
RuledSurfaceFilter.cxx
#include <vtkAppendPolyData.h>
#include <vtkCamera.h>
#include <vtkCellArray.h>
#include <vtkLine.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkRuledSurfaceFilter.h>
#include <vtkTransform.h>
#include <vtkTransformPolyDataFilter.h>
int main(int, char*[])
{
vtkNew<vtkNamedColors> colors;
// Create first line.
vtkNew<vtkPoints> points;
points->InsertPoint(0, 0, 0, 1);
points->InsertPoint(1, 1, 0, 0);
points->InsertPoint(2, 0, 1, 0);
points->InsertPoint(3, 1, 1, 1);
vtkNew<vtkLine> line1;
line1->GetPointIds()->SetId(0, 0);
line1->GetPointIds()->SetId(1, 1);
vtkNew<vtkLine> line2;
line2->GetPointIds()->SetId(0, 2);
line2->GetPointIds()->SetId(1, 3);
vtkNew<vtkCellArray> lines;
lines->InsertNextCell(line1);
lines->InsertNextCell(line2);
vtkNew<vtkPolyData> polydata;
polydata->SetPoints(points);
polydata->SetLines(lines);
vtkNew<vtkRuledSurfaceFilter> ruledSurfaceFilter;
ruledSurfaceFilter->SetInputData(polydata);
ruledSurfaceFilter->SetResolution(21, 21);
ruledSurfaceFilter->SetRuledModeToResample();
vtkNew<vtkRenderer> renderer;
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer(renderer);
renderWindow->SetWindowName("RuledSurfaceFilter");
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow(renderWindow);
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputConnection(ruledSurfaceFilter->GetOutputPort());
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
actor->GetProperty()->SetColor(colors->GetColor3d("Banana").GetData());
// Add the actors to the renderer, set the background and size
renderer->AddActor(actor);
renderer->SetBackground(colors->GetColor3d("SteelBlue").GetData());
renderer->ResetCamera();
renderer->GetActiveCamera()->Azimuth(60);
renderer->GetActiveCamera()->Elevation(60);
renderer->GetActiveCamera()->Dolly(1.0);
renderer->ResetCameraClippingRange();
renderWindow->Render();
interactor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(RuledSurfaceFilter)
find_package(VTK COMPONENTS
vtkCommonColor
vtkCommonCore
vtkCommonDataModel
vtkCommonTransforms
vtkFiltersCore
vtkFiltersGeneral
vtkFiltersModeling
vtkInteractionStyle
vtkRenderingContextOpenGL2
vtkRenderingCore
vtkRenderingFreeType
vtkRenderingGL2PSOpenGL2
vtkRenderingOpenGL2
QUIET
)
if (NOT VTK_FOUND)
message("Skipping RuledSurfaceFilter: ${VTK_NOT_FOUND_MESSAGE}")
return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
# old system
include(${VTK_USE_FILE})
add_executable(RuledSurfaceFilter MACOSX_BUNDLE RuledSurfaceFilter.cxx )
target_link_libraries(RuledSurfaceFilter PRIVATE ${VTK_LIBRARIES})
else ()
# include all components
add_executable(RuledSurfaceFilter MACOSX_BUNDLE RuledSurfaceFilter.cxx )
target_link_libraries(RuledSurfaceFilter PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS RuledSurfaceFilter
MODULES ${VTK_LIBRARIES}
)
endif ()
Download and Build RuledSurfaceFilter¶
Click here to download RuledSurfaceFilter and its CMakeLists.txt file. Once the tarball RuledSurfaceFilter.tar has been downloaded and extracted,
cd RuledSurfaceFilter/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:
./RuledSurfaceFilter
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.