//Arrow.c++
#include <vtkAutoInit.h> 
#define vtkRenderingCore_AUTOINIT 3(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingOpenGL2)
#define vtkRenderingVolume_AUTOINIT 1(vtkRenderingVolumeOpenGL2)
#define vtkRenderingContext2D_AUTOINIT 1(vtkRenderingContextOpenGL2)
#include <vtkActor.h>
#include <vtkArrowSource.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>

int main(int, char*[])
{
	vtkNew<vtkNamedColors> colors;

	// Create an arrow.
	vtkNew<vtkArrowSource> arrowSource;
	arrowSource->SetShaftRadius(1.0);
	arrowSource->SetTipLength(1.0);
	arrowSource->Update();

	// Create a mapper and actor
	vtkNew<vtkPolyDataMapper> mapper;
	mapper->SetInputConnection(arrowSource->GetOutputPort());
	vtkNew<vtkActor> actor;
	actor->SetMapper(mapper);

	// Visualize
	vtkNew<vtkRenderer> renderer;
	vtkNew<vtkRenderWindow> renderWindow;
	renderWindow->SetWindowName("Arrow");
	renderWindow->AddRenderer(renderer);
	vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
	renderWindowInteractor->SetRenderWindow(renderWindow);

	renderer->AddActor(actor);
	renderer->SetBackground(colors->GetColor3d("MidnightBlue").GetData());

	renderWindow->SetWindowName("Arrow");
	renderWindow->Render();
	renderWindowInteractor->Start();

	return EXIT_SUCCESS;
}