vtk.js

ArcSource

Live example

Source

import '@kitware/vtk.js/favicon';

// Load the rendering pieces we want to use (for both WebGL and WebGPU)
import '@kitware/vtk.js/Rendering/Profiles/Geometry';

import vtkFullScreenRenderWindow from '@kitware/vtk.js/Rendering/Misc/FullScreenRenderWindow';
import vtkActor from '@kitware/vtk.js/Rendering/Core/Actor';
import vtkArcSource from '@kitware/vtk.js/Filters/Sources/ArcSource';
import vtkMapper from '@kitware/vtk.js/Rendering/Core/Mapper';

import controlPanel from './controlPanel.html';

// ----------------------------------------------------------------------------
// Standard rendering code setup
// ----------------------------------------------------------------------------

const fullScreenRenderer = vtkFullScreenRenderWindow.newInstance();
const renderer = fullScreenRenderer.getRenderer();
const renderWindow = fullScreenRenderer.getRenderWindow();

// ----------------------------------------------------------------------------
// Example code
// ----------------------------------------------------------------------------

const arcSource = vtkArcSource.newInstance();
const actor = vtkActor.newInstance();
const mapper = vtkMapper.newInstance();

mapper.setInputConnection(arcSource.getOutputPort());
actor.setMapper(mapper);

renderer.addActor(actor);
renderer.resetCamera();
renderWindow.render();

// -----------------------------------------------------------
// UI control handling
// -----------------------------------------------------------

fullScreenRenderer.addController(controlPanel);

['angle', 'resolution'].forEach((propertyName) => {
  document.querySelector(`.${propertyName}`).addEventListener('input', (e) => {
    const value = Number(e.target.value);
    arcSource.set({ [propertyName]: value });
    renderer.resetCamera();
    renderWindow.render();
  });
});

document.querySelector('.useNormalAndAngle').addEventListener('change', (e) => {
  const value = e.target.checked;
  arcSource.set({ useNormalAndAngle: value });
  renderer.resetCamera();
  renderWindow.render();
});