vtk学习笔记 --- 基本对象使用

1、使用基本的三维对象，如锥体，立方体，柱体以及平面等

2、在同一窗口中同时显示多个渲染结果（设置视口）

3、添加基本的鼠标交互，使用鼠标可以转动三维对象

?

程序运行效果如下图：

?

相关代码如下：

?

public class ConeTest {    //加载动态链接库    static {        System.loadLibrary("vtkCommonJava");        System.loadLibrary("vtkFilteringJava");        System.loadLibrary("vtkIOJava");        System.loadLibrary("vtkImagingJava");        System.loadLibrary("vtkGraphicsJava");        System.loadLibrary("vtkRenderingJava");    }        public static void main(String[] args) {        vtkConeSource cone = new vtkConeSource();        //设置圆锥的高度和半径        cone.SetHeight(3);        cone.SetRadius(1);        //设置分辨率，值越大，越趋近于圆锥体        cone.SetResolution(10);                vtkCubeSource cube = new vtkCubeSource();        //设置立方体的长宽高        cube.SetXLength(1);        cube.SetYLength(1.5);        cube.SetZLength(1);                //创建圆柱体        vtkCylinderSource cylinder = new vtkCylinderSource();        //创建平面        vtkPlaneSource plane = new vtkPlaneSource();        //创建对应的mapper        vtkPolyDataMapper coneMapper = new vtkPolyDataMapper();        coneMapper.SetInputConnection(cone.GetOutputPort());                vtkPolyDataMapper cubeMapper = new vtkPolyDataMapper();        cubeMapper.SetInput(cube.GetOutput());                vtkPolyDataMapper cylinderMapper = new vtkPolyDataMapper();        cylinderMapper.SetInput(cylinder.GetOutput());                vtkPolyDataMapper planeMapper = new vtkPolyDataMapper();        planeMapper.SetInput(plane.GetOutput());        //创建对应的actor，设置mapper        vtkActor coneActor = new vtkActor();        coneActor.SetMapper(coneMapper);                vtkActor cubeActor = new vtkActor();        cubeActor.SetMapper(cubeMapper);                vtkActor cylinderActor = new vtkActor();        cylinderActor.SetMapper(cylinderMapper);                vtkActor planeActor = new vtkActor();        planeActor.SetMapper(planeMapper);        //针对每个actor创建一个vtkRender，添加actor        vtkRenderer ren1 = new vtkRenderer();        ren1.AddActor(coneActor);        //下面的代码就是设置视口的，将屏幕分为4个视口        //前两个参数是视口左下角点的坐标(xmin,ymin)，后两个参数是右上角的坐标(xmax,ymax)        ren1.SetViewport(0, 0.5, 0.5, 1);        ren1.SetBackground(0.1, 0.2, 0.4);                vtkRenderer ren2 = new vtkRenderer();        ren2.AddActor(cubeActor);        ren2.SetViewport(0.5, 0.5, 1, 1);        ren2.SetBackground(0, 1, 0);                vtkRenderer ren3 = new vtkRenderer();        ren3.AddActor(cylinderActor);        ren3.SetViewport(0, 0, 0.5, 0.5);                vtkRenderer ren4 = new vtkRenderer();        ren4.AddActor(planeActor);        ren4.SetViewport(0.5 , 0, 1, 0.5);        ren4.SetBackground(0, 0, 1);                vtkRenderWindow renWin = new vtkRenderWindow();        renWin.AddRenderer(ren1);        renWin.AddRenderer(ren2);        renWin.AddRenderer(ren3);        renWin.AddRenderer(ren4);        renWin.SetSize(500, 400);                //添加鼠标交互        vtkRenderWindowInteractor interactor = new vtkRenderWindowInteractor();        interactor.SetRenderWindow(renWin);        vtkInteractorStyleTrackballActor style = new vtkInteractorStyleTrackballActor();        interactor.SetInteractorStyle(style);        //初始化交互器 并开始执行事件循环        interactor.Initialize();        interactor.Start();    }}

?

?