AngleWidget2D
vtk-examples/Cxx/Widgets/AngleWidget2D
Description¶
The arc is still visible?
Other languages
See (Java)
Question
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Code¶
AngleWidget2D.cxx
#include <vtkActor.h>
#include <vtkAngleRepresentation2D.h>
#include <vtkAngleWidget.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSphereSource.h>
int main(int /* argc */, char* /* argv */[])
{
vtkNew<vtkNamedColors> colors;
// A renderer and render window
vtkNew<vtkRenderer> renderer;
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer(renderer);
renderWindow->SetWindowName("AngleWidget2D");
// An interactor
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
renderWindowInteractor->SetRenderWindow(renderWindow);
double pos1[3] = {50.0, 200.0, 0.0};
double pos2[3] = {200.0, 20.0, 0.0};
double center[3] = {100.0, 100.0, 0.0};
vtkNew<vtkAngleRepresentation2D> rep;
rep->ArcVisibilityOff();
vtkNew<vtkAngleWidget> angleWidget;
angleWidget->CreateDefaultRepresentation();
angleWidget->SetRepresentation(rep);
angleWidget->SetInteractor(renderWindowInteractor);
renderWindow->Render();
renderer->SetBackground(colors->GetColor3d("MidnightBlue").GetData());
renderWindowInteractor->Initialize();
renderWindow->Render();
angleWidget->On();
rep->SetPoint1DisplayPosition(pos1);
rep->SetPoint2DisplayPosition(pos2);
rep->SetCenterDisplayPosition(center);
rep->Ray1VisibilityOn();
rep->Ray2VisibilityOn();
rep->ArcVisibilityOn();
// Begin mouse interaction
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
project(AngleWidget2D)
find_package(VTK COMPONENTS
vtkCommonColor
vtkCommonCore
vtkCommonDataModel
vtkFiltersSources
vtkInteractionStyle
vtkInteractionWidgets
vtkRenderingContextOpenGL2
vtkRenderingCore
vtkRenderingFreeType
vtkRenderingGL2PSOpenGL2
vtkRenderingOpenGL2
QUIET
)
if (NOT VTK_FOUND)
message("Skipping AngleWidget2D: ${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(AngleWidget2D MACOSX_BUNDLE AngleWidget2D.cxx )
target_link_libraries(AngleWidget2D PRIVATE ${VTK_LIBRARIES})
else ()
# include all components
add_executable(AngleWidget2D MACOSX_BUNDLE AngleWidget2D.cxx )
target_link_libraries(AngleWidget2D PRIVATE ${VTK_LIBRARIES})
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS AngleWidget2D
MODULES ${VTK_LIBRARIES}
)
endif ()
Download and Build AngleWidget2D¶
Click here to download AngleWidget2D and its CMakeLists.txt file. Once the tarball AngleWidget2D.tar has been downloaded and extracted,
cd AngleWidget2D/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:
./AngleWidget2D
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.