HttpDataSetReader

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 vtkHttpDataSetReader from 'vtk.js/Sources/IO/Core/HttpDataSetReader';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';

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

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

// ----------------------------------------------------------------------------
// Example code
// ----------------------------------------------------------------------------
// Server is not sending the .gz and whith the compress header
// Need to fetch the true file name and uncompress it locally
// ----------------------------------------------------------------------------

const reader = vtkHttpDataSetReader.newInstance({ fetchGzip: true });
reader.setUrl(`${__BASE_PATH__}/data/cow.vtp`).then(() => {
reader.loadData().then(() => {
renderer.resetCamera();
renderWindow.render();
});
});

const mapper = vtkMapper.newInstance();
mapper.setInputConnection(reader.getOutputPort());

const actor = vtkActor.newInstance();
actor.setMapper(mapper);

renderer.addActor(actor);

// -----------------------------------------------------------
// Make some variables global so that you can inspect and
// modify objects in your browser's developer console:
// -----------------------------------------------------------

global.source = reader;
global.mapper = mapper;
global.actor = actor;
global.renderer = renderer;
global.renderWindow = renderWindow;