ConeSource

Live example

Source

import 'vtk.js/Sources/favicon';
import vtkFullScreenRenderWindow from 'vtk.js/Sources/Rendering/Misc/FullScreenRenderWindow';
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
import vtkConeSource from 'vtk.js/Sources/Filters/Sources/ConeSource';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
import controlPanel from './controlPanel.html';
// ----------------------------------------------------------------------------
// Standard rendering code setup
// ----------------------------------------------------------------------------
const fullScreenRenderer = vtkFullScreenRenderWindow.newInstance({ background: [0, 0, 0] });
const renderer = fullScreenRenderer.getRenderer();
const renderWindow = fullScreenRenderer.getRenderWindow();
// ----------------------------------------------------------------------------
// Example code
// ----------------------------------------------------------------------------
function createConePipeline() {
const coneSource = vtkConeSource.newInstance();
const actor = vtkActor.newInstance();
const mapper = vtkMapper.newInstance();
actor.setMapper(mapper);
mapper.setInputConnection(coneSource.getOutputPort());
renderer.addActor(actor);
return { coneSource, mapper, actor };
}
const pipelines = [createConePipeline(), createConePipeline()];
// Create red wireframe baseline
pipelines[0].actor.getProperty().setRepresentation(1);
pipelines[0].actor.getProperty().setColor(1, 0, 0);
renderer.resetCamera();
renderWindow.render();
// -----------------------------------------------------------
// UI control handling
// -----------------------------------------------------------
fullScreenRenderer.addController(controlPanel);
['height', 'radius', 'resolution'].forEach((propertyName) => {
document.querySelector(`.${propertyName}`).addEventListener('input', (e) => {
const value = Number(e.target.value);
pipelines[0].coneSource.set({ [propertyName]: value });
pipelines[1].coneSource.set({ [propertyName]: value });
renderWindow.render();
});
});
document.querySelector('.capping').addEventListener('change', (e) => {
const capping = !!(e.target.checked);
pipelines[0].coneSource.set({ capping });
pipelines[1].coneSource.set({ capping });
renderWindow.render();
});
const centerElems = document.querySelectorAll('.center');
const directionElems = document.querySelectorAll('.direction');
function updateTransformedCone() {
const center = [0, 0, 0];
const direction = [1, 0, 0];
for (let i = 0; i < 3; i++) {
center[Number(centerElems[i].dataset.index)] = Number(centerElems[i].value);
direction[Number(directionElems[i].dataset.index)] = Number(directionElems[i].value);
}
console.log('updateTransformedCone', center, direction);
pipelines[1].coneSource.set({ center, direction });
renderWindow.render();
}
for (let i = 0; i < 3; i++) {
centerElems[i].addEventListener('input', updateTransformedCone);
directionElems[i].addEventListener('input', updateTransformedCone);
}
// -----------------------------------------------------------
// Make some variables global so that you can inspect and
// modify objects in your browser's developer console:
// -----------------------------------------------------------
global.pipelines = pipelines;
global.renderer = renderer;
global.renderWindow = renderWindow;