FrenetSerretFrame
VTKExamples/Cxx/Remote/FrenetSerretFrame
Description¶
This example requires the remote module ''SplineDrivenImageSampler.'' Check to see if the file ''SplineDrivenImageSlicer.remote.cmake'' exists in VTK/Remote. If it does not, copy this file to ''VTK/Remote/SplineDrivenImageSlicer.remote.cmake''.
Next
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reconfigure with cmake.
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Then enable the module setting ''Module_SplineDrivenImageSlicer:BOOL=ON''
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make
The classes used in this example are described in A Spline-Driven Image Slicer. In the example, the normal vectors are yellow, the tangent vectors are red and the binormal vectors are green.
Code¶
FrenetSerretFrame.cxx
#include <vtkFrenetSerretFrame.h> #include <vtkSmartPointer.h> #include <vtkParametricSpline.h> #include <vtkParametricFunctionSource.h> #include <vtkSphereSource.h> #include <vtkArrowSource.h> #include <vtkGlyph3D.h> #include <vtkPointSource.h> #include <vtkPoints.h> #include <vtkPolyData.h> #include <vtkPointData.h> #include <vtkProperty.h> #include <vtkPolyDataMapper.h> #include <vtkCamera.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> static void MakeGlyphs(vtkPolyData *src, double size, vtkGlyph3D *glyph); int main(int, char *[]) { // Generate some random points int numberOfPoints = 8; vtkSmartPointer<vtkPointSource> pointSource = vtkSmartPointer<vtkPointSource>::New(); pointSource->SetNumberOfPoints(numberOfPoints); pointSource->Update(); vtkPoints* points = pointSource->GetOutput()->GetPoints(); vtkSmartPointer<vtkParametricSpline> spline = vtkSmartPointer<vtkParametricSpline>::New(); spline->SetPoints(points); vtkSmartPointer<vtkParametricFunctionSource> functionSource = vtkSmartPointer<vtkParametricFunctionSource>::New(); functionSource->SetParametricFunction(spline); functionSource->SetUResolution(10 * numberOfPoints); functionSource->SetVResolution(10 * numberOfPoints); functionSource->SetWResolution(10 * numberOfPoints); // Create the frame vtkSmartPointer<vtkFrenetSerretFrame> frame = vtkSmartPointer<vtkFrenetSerretFrame>::New(); frame->SetInputConnection(functionSource->GetOutputPort()); frame->ConsistentNormalsOn(); frame->Update(); vtkSmartPointer<vtkGlyph3D> glyph3DNormals = vtkSmartPointer<vtkGlyph3D>::New(); vtkSmartPointer<vtkGlyph3D> glyph3DTangents = vtkSmartPointer<vtkGlyph3D>::New(); vtkSmartPointer<vtkGlyph3D> glyph3DBinormals = vtkSmartPointer<vtkGlyph3D>::New(); // for each vector, create a Glyph3D and DeepCopy the output double radius = .05; frame->GetOutput()->GetPointData()->SetActiveVectors("FSNormals"); MakeGlyphs(frame->GetOutput(), radius, glyph3DNormals.GetPointer()); vtkSmartPointer<vtkPolyData> normalsPolyData = vtkSmartPointer<vtkPolyData>::New(); normalsPolyData->DeepCopy(glyph3DNormals->GetOutput()); frame->GetOutput()->GetPointData()->SetActiveVectors("FSTangents"); MakeGlyphs(frame->GetOutput(), radius, glyph3DTangents.GetPointer()); vtkSmartPointer<vtkPolyData> tangentsPolyData = vtkSmartPointer<vtkPolyData>::New(); tangentsPolyData->DeepCopy(glyph3DTangents->GetOutput()); frame->GetOutput()->GetPointData()->SetActiveVectors("FSBinormals"); MakeGlyphs(frame->GetOutput(), radius, glyph3DBinormals.GetPointer()); vtkSmartPointer<vtkPolyData> binormalsPolyData = vtkSmartPointer<vtkPolyData>::New(); binormalsPolyData->DeepCopy(glyph3DBinormals->GetOutput()); // Setup actors and mappers vtkSmartPointer<vtkPolyDataMapper> glyph3DNormalsMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); glyph3DNormalsMapper->SetInputData(normalsPolyData); vtkSmartPointer<vtkActor> glyph3DNormalsActor = vtkSmartPointer<vtkActor>::New(); glyph3DNormalsActor->SetMapper(glyph3DNormalsMapper); glyph3DNormalsActor->GetProperty()->SetColor(0.8900, 0.8100, 0.3400); vtkSmartPointer<vtkPolyDataMapper> glyph3DTangentsMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); glyph3DTangentsMapper->SetInputData(tangentsPolyData); vtkSmartPointer<vtkActor> glyph3DTangentsActor = vtkSmartPointer<vtkActor>::New(); glyph3DTangentsActor->SetMapper(glyph3DTangentsMapper); glyph3DTangentsActor->GetProperty()->SetColor(1.0000, 0.3882, 0.2784); vtkSmartPointer<vtkPolyDataMapper> glyph3DBinormalsMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); glyph3DBinormalsMapper->SetInputData(binormalsPolyData); vtkSmartPointer<vtkActor> glyph3DBinormalsActor = vtkSmartPointer<vtkActor>::New(); glyph3DBinormalsActor->SetMapper(glyph3DBinormalsMapper); glyph3DBinormalsActor->GetProperty()->SetColor(0.1804,0.5451,0.3412); vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); mapper->SetInputConnection(functionSource->GetOutputPort()); vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); actor->SetMapper(mapper); // Setup render window, renderer, and interactor vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); renderer->AddActor(glyph3DNormalsActor); renderer->AddActor(glyph3DTangentsActor); renderer->AddActor(glyph3DBinormalsActor); renderer->AddActor(actor); renderer->SetBackground(.4, .5, .7); // Pick a good view renderer->ResetCamera(); renderer->GetActiveCamera()->Azimuth(120); renderer->GetActiveCamera()->Elevation(30); renderer->GetActiveCamera()->Dolly(1.8); renderer->ResetCameraClippingRange(); renderWindow->SetSize(640, 480); renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; } void MakeGlyphs(vtkPolyData *src, double size, vtkGlyph3D *glyph) { // Source for the glyph filter vtkSmartPointer<vtkArrowSource> arrow = vtkSmartPointer<vtkArrowSource>::New(); arrow->SetTipResolution(16); arrow->SetTipLength(.3); arrow->SetTipRadius(.1); glyph->SetSourceConnection(arrow->GetOutputPort()); glyph->SetInputData(src); glyph->SetVectorModeToUseVector(); glyph->SetScaleModeToScaleByVector(); glyph->SetScaleFactor(size); glyph->OrientOn(); glyph->Update(); }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(FrenetSerretFrame) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(FrenetSerretFrame MACOSX_BUNDLE FrenetSerretFrame.cxx) target_link_libraries(FrenetSerretFrame ${VTK_LIBRARIES})
Download and Build FrenetSerretFrame¶
Danger
The generation of tar files has not been ported to the new VTKExamples. Some tarballs may be missing or out-of-date.
Click here to download FrenetSerretFrame and its CMakeLists.txt file. Once the tarball FrenetSerretFrame.tar has been downloaded and extracted,
cd FrenetSerretFrame/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:
./FrenetSerretFrame
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.