描述:A hello world example. This example creates a minimal visualization program, demonstrating VTK's basic rendering and pipeline creation.
vtkPolyDataMapper
vtkActor vtkRenderer
vtkRenderWindow
vtkRenderWindowInteractor
Cylinder.cpp
#include <vtkCylinderSource.h>
#include <vtkPolyDataMapper.h>
#include <vtkActor.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkProperty.h>
#include <vtkCamera.h>
#include <vtkSmartPointer.h>
int main(int, char *[])
{
// This creates a polygonal cylinder model with eight circumferential facets
// (i.e, in practice an octagonal prism).
vtkSmartPointer<vtkCylinderSource> cylinder = vtkSmartPointer<vtkCylinderSource>::New();
cylinder->SetResolution(8);
// The mapper is responsible for pushing the geometry into the graphics library.
// It may also do color mapping, if scalars or other attributes are defined.
vtkSmartPointer<vtkPolyDataMapper> cylinderMapper = vtkSmartPointer<vtkPolyDataMapper>::New();
cylinderMapper->SetInputConnection(cylinder->GetOutputPort());
// The actor is a grouping mechanism: besides the geometry (mapper), it
// also has a property, transformation matrix, and/or texture map.
// Here we set its color and rotate it around the X and Y axes.
vtkSmartPointer<vtkActor> cylinderActor = vtkSmartPointer<vtkActor>::New();
cylinderActor->SetMapper(cylinderMapper);
cylinderActor->GetProperty()->SetColor(1.0000, 0.3882, 0.2784);
cylinderActor->RotateX(30.0);
cylinderActor->RotateY(-45.0);
// The renderer generates the image
// which is then displayed on the render window.
// It can be thought of as a scene to which the actor is added
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
renderer->AddActor(cylinderActor);
renderer->SetBackground(0.1, 0.2, 0.4);
// Zoom in a little by accessing the camera and invoking its "Zoom" method.
renderer->ResetCamera();
renderer->GetActiveCamera()->Zoom(1.5);
// The render window is the actual GUI window
// that appears on the computer screen
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->SetSize(200, 200);
renderWindow->AddRenderer(renderer);
// The render window interactor captures mouse events
// and will perform appropriate camera or actor manipulation
// depending on the nature of the events.
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
// This starts the event loop and as a side effect causes an initial render.
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
project(Cylinder)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(${PROJECT_NAME} main.cpp )
target_link_libraries(${PROJECT_NAME} ${VTK_LIBRARIES})
运行结果为: