(VS2019+VTK9.3)第一个VTK程序

news2024/10/5 13:36:23

经过配置后，VS2019+VTK 9.3，第一个VTK程序，可显示。

#include <vtkAutoInit.h>
#include <vtkActor.h>
#include <vtkCamera.h>
#include <vtkCylinderSource.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkConeSource.h>
#include <array>

VTK_MODULE_INIT(vtkRenderingOpenGL2)
VTK_MODULE_INIT(vtkInteractionStyle)

int main(int, char* [])
{
	vtkNew<vtkNamedColors> colors;
	// 设置背景颜色
	std::array<unsigned char, 4> bkg{ {26, 51, 102, 255} };
	colors->SetColor("BkgColor", bkg.data());

	// 创建一个8棱圆柱体
	vtkNew<vtkCylinderSource> cylinder;
	cylinder->SetResolution(8);

	// 创建映射器
	vtkNew<vtkPolyDataMapper> cylinderMapper;
	cylinderMapper->SetInputConnection(cylinder->GetOutputPort());

	// 输入映射器，设置属性、转换角度或者纹理贴图；
	vtkNew<vtkActor> cylinderActor;
	cylinderActor->SetMapper(cylinderMapper);
	cylinderActor->GetProperty()->SetColor(colors->GetColor4d("Tomato").GetData());
	cylinderActor->RotateX(30.0);
	cylinderActor->RotateY(-45.0);

	// 渲染器将生成图像，然后显示在渲染窗口上。
	vtkNew<vtkRenderer> renderer;
	renderer->AddActor(cylinderActor);
	renderer->SetBackground(colors->GetColor3d("BkgColor").GetData());
	// 重置相机，设置缩放倍数
	renderer->ResetCamera();
	renderer->GetActiveCamera()->Zoom(1.5);

	// 显示窗口
	vtkNew<vtkRenderWindow> renderWindow;
	renderWindow->SetSize(300, 300);
	renderWindow->AddRenderer(renderer);
	renderWindow->SetWindowName("Cylinder");

	// 渲染窗口交互器可捕获鼠标事件，并将执行适当的照相机或演员操作；
	vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
	renderWindowInteractor->SetRenderWindow(renderWindow);

	// 启动事件循环，整条管线被动执行；
	renderWindow->Render();
	renderWindowInteractor->Start();
}