OrientationMarkerWidget1
Repository source: OrientationMarkerWidget1
Description¶
This example uses a polydata as an orientation icon. You can get the bunny data src/Testing/Data/Bunny.vtp
.
Other languages
See (Python)
Question
If you have a question about this example, please use the VTK Discourse Forum
Code¶
OrientationMarkerWidget1.cxx
#include <vtkActor.h>
#include <vtkDataSetMapper.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkOrientationMarkerWidget.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSuperquadricSource.h>
#include <vtkXMLPolyDataReader.h>
int main(int argc, char* argv[])
{
// Parse command line arguments
if (argc != 2)
{
std::cerr << "Usage: " << argv[0] << " Filename(.vtp) e.g. Bunny.vtp"
<< std::endl;
return EXIT_FAILURE;
}
vtkNew<vtkNamedColors> colors;
// Read the polydata for the icon
vtkNew<vtkXMLPolyDataReader> reader;
reader->SetFileName(argv[1]);
vtkNew<vtkDataSetMapper> iconMapper;
iconMapper->SetInputConnection(reader->GetOutputPort());
vtkNew<vtkActor> iconActor;
iconActor->SetMapper(iconMapper);
iconActor->GetProperty()->SetColor(colors->GetColor3d("Silver").GetData());
// Set up the renderer, window, and interactor
vtkNew<vtkRenderer> renderer;
renderer->SetBackground(colors->GetColor3d("SlateGray").GetData());
vtkNew<vtkRenderWindow> renWin;
renWin->AddRenderer(renderer);
renWin->SetSize(400, 400);
renWin->SetWindowName("OrientationMarkerWidget1");
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
double r;
double g;
double b;
colors->GetColor("Wheat", r, g, b);
// Set up the widget
vtkNew<vtkOrientationMarkerWidget> widget;
widget->SetOrientationMarker(iconActor);
widget->SetInteractor(iren);
widget->SetViewport(0.0, 0.0, 0.2, 0.2);
widget->SetOutlineColor(r, g, b);
widget->SetEnabled(1);
widget->InteractiveOn();
// Create a superquadric
vtkNew<vtkSuperquadricSource> superquadricSource;
superquadricSource->SetPhiRoundness(0.2);
superquadricSource->SetThetaRoundness(0.8);
// Create a mapper and actor
vtkNew<vtkPolyDataMapper> superquadricMapper;
superquadricMapper->SetInputConnection(superquadricSource->GetOutputPort());
vtkNew<vtkActor> superquadricActor;
superquadricActor->SetMapper(superquadricMapper);
superquadricActor->GetProperty()->SetInterpolationToFlat();
superquadricActor->GetProperty()->SetDiffuseColor(
colors->GetColor3d("Carrot").GetData());
superquadricActor->GetProperty()->SetSpecularColor(
colors->GetColor3d("White").GetData());
superquadricActor->GetProperty()->SetDiffuse(.6);
superquadricActor->GetProperty()->SetSpecular(.5);
superquadricActor->GetProperty()->SetSpecularPower(5.0);
renderer->AddActor(superquadricActor);
renderer->ResetCamera();
renWin->Render();
iren->Initialize();
iren->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt¶
cmake_minimum_required(VERSION 3.12 FATAL_ERROR)
project(OrientationMarkerWidget1)
find_package(VTK COMPONENTS
CommonColor
CommonCore
FiltersSources
IOXML
InteractionStyle
InteractionWidgets
RenderingContextOpenGL2
RenderingCore
RenderingFreeType
RenderingGL2PSOpenGL2
RenderingOpenGL2
)
if (NOT VTK_FOUND)
message(FATAL_ERROR "OrientationMarkerWidget1: 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(OrientationMarkerWidget1 MACOSX_BUNDLE OrientationMarkerWidget1.cxx )
target_link_libraries(OrientationMarkerWidget1 PRIVATE ${VTK_LIBRARIES}
)
# vtk_module_autoinit is needed
vtk_module_autoinit(
TARGETS OrientationMarkerWidget1
MODULES ${VTK_LIBRARIES}
)
Download and Build OrientationMarkerWidget1¶
Click here to download OrientationMarkerWidget1 and its CMakeLists.txt file. Once the tarball OrientationMarkerWidget1.tar has been downloaded and extracted,
cd OrientationMarkerWidget1/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:
./OrientationMarkerWidget1
WINDOWS USERS
Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.