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feat(InteractorStyleTrackballActor): add vtkInteractorStyleTrackballActor
fix #1838
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‎Documentation/public/gallery/InteractorStyleTrackballActor.jpg‎

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‎Sources/Interaction/Style/InteractorStyleTrackballActor/example/index.js‎

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import '@kitware/vtk.js/favicon';
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// Load the rendering pieces we want to use (for both WebGL and WebGPU)
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import '@kitware/vtk.js/Rendering/Profiles/Geometry';
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import vtkActor from '@kitware/vtk.js/Rendering/Core/Actor';
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import vtkCubeSource from '@kitware/vtk.js/Filters/Sources/CubeSource';
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import vtkFullScreenRenderWindow from '@kitware/vtk.js/Rendering/Misc/FullScreenRenderWindow';
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import vtkInteractorStyleTrackballActor from '@kitware/vtk.js/Interaction/Style/InteractorStyleTrackballActor';
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import vtkMapper from '@kitware/vtk.js/Rendering/Core/Mapper';
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import GUI from 'lil-gui';
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// ----------------------------------------------------------------------------
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// Example code
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// ----------------------------------------------------------------------------
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const fullScreenRenderer = vtkFullScreenRenderWindow.newInstance();
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const renderer = fullScreenRenderer.getRenderer();
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const renderWindow = fullScreenRenderer.getRenderWindow();
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const interactor = fullScreenRenderer.getInteractor();
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const cubeSource = vtkCubeSource.newInstance({
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xLength: 1.2,
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yLength: 0.8,
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zLength: 0.6,
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});
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const mapper = vtkMapper.newInstance();
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mapper.setInputConnection(cubeSource.getOutputPort());
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const actor = vtkActor.newInstance();
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actor.setMapper(mapper);
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renderer.addActor(actor);
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renderer.resetCamera();
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renderWindow.render();
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interactor.setInteractorStyle(vtkInteractorStyleTrackballActor.newInstance());
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const style = interactor.getInteractorStyle();
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const gui = new GUI();
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const params = {
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motionFactor: style.getMotionFactor(),
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left: 'rotate picked actor',
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shiftLeft: 'pan picked actor',
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ctrlLeft: 'spin picked actor',
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middle: 'pan picked actor',
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ctrlMiddle: 'dolly picked actor',
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right: 'uniform scale picked actor',
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};
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gui.add(params, 'motionFactor', 1, 30, 1).onChange((value) => {
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style.setMotionFactor(Number(value));
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renderWindow.render();
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});
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gui.add(params, 'left').name('Left').disable();
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gui.add(params, 'shiftLeft').name('Shift + Left').disable();
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gui.add(params, 'ctrlLeft').name('Ctrl + Left').disable();
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gui.add(params, 'middle').name('Middle').disable();
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gui.add(params, 'ctrlMiddle').name('Ctrl + Middle').disable();
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gui.add(params, 'right').name('Right').disable();

‎Sources/Interaction/Style/InteractorStyleTrackballActor/index.d.ts‎

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import vtkInteractorStyle from '../../../Rendering/Core/InteractorStyle';
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import vtkCellPicker from '../../../Rendering/Core/CellPicker';
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import vtkProp3D from '../../../Rendering/Core/Prop3D';
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import vtkRenderer from '../../../Rendering/Core/Renderer';
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import { Nullable } from '../../../types';
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import { IRenderWindowInteractorEvent } from '../../../Rendering/Core/RenderWindowInteractor';
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export interface IInteractorStyleTrackballActorInitialValues {
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motionFactor?: number;
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interactionProp?: Nullable<vtkProp3D>;
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interactionPicker?: Nullable<vtkCellPicker>;
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}
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export interface vtkInteractorStyleTrackballActor extends vtkInteractorStyle {
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/**
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* Find the picked actor and pick position.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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findPickedActor(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Handle mouse move event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleMouseMove(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle left mouse button press event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleLeftButtonPress(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle left mouse button release event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleLeftButtonRelease(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle middle mouse button press event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleMiddleButtonPress(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle middle mouse button release event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleMiddleButtonRelease(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle right mouse button press event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleRightButtonPress(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle right mouse button release event.
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* @param {IRenderWindowInteractorEvent} callData
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*/
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handleRightButtonRelease(callData: IRenderWindowInteractorEvent): void;
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/**
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* Handle mouse rotate event.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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handleMouseRotate(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Handle mouse spin event.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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handleMouseSpin(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Handle mouse pan event.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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handleMousePan(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Handle mouse dolly event.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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handleMouseDolly(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Handle mouse uniform scale event.
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* @param {vtkRenderer} renderer
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* @param position
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*/
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handleMouseUniformScale(
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renderer: vtkRenderer,
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position: { x: number; y: number }
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): void;
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/**
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* Start uniform scale interaction.
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*/
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startUniformScale(): void;
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/**
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* End uniform scale interaction.
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*/
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endUniformScale(): void;
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/**
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* Get the interaction picker.
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*/
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getInteractionPicker(): Nullable<vtkCellPicker>;
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/**
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* Get the interaction prop.
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*/
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getInteractionProp(): Nullable<vtkProp3D>;
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/**
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* Set the interaction prop.
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* @param {vtkProp3D | null} prop
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*/
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setInteractionProp(prop: Nullable<vtkProp3D>): boolean;
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/**
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* Get the motion factor.
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*/
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getMotionFactor(): number;
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/**
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* Set the motion factor.
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* @param {Number} factor
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*/
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setMotionFactor(factor: number): boolean;
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}
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export function newInstance(
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initialValues?: IInteractorStyleTrackballActorInitialValues
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): vtkInteractorStyleTrackballActor;
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export function extend(
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publicAPI: object,
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model: object,
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initialValues?: IInteractorStyleTrackballActorInitialValues
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): void;
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/**
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* vtkInteractorStyleTrackballActor allows the user to interact with (rotate, pan, etc.) objects in the scene independent of each other.
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* In trackball interaction, the magnitude of the mouse motion is proportional to the actor motion associated with a particular mouse binding.
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* For example, small left-button motions cause small changes in the rotation of the actor around its center point.
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*/
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export const vtkInteractorStyleTrackballActor: {
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newInstance: typeof newInstance;
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extend: typeof extend;
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};
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export default vtkInteractorStyleTrackballActor;

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