test(SphereMapper): add large coordinate test

Author: floryst

Sources/Rendering/OpenGL/SphereMapper/test/testLargeCoordinates.js

@@ -0,0 +1,81 @@
+/* eslint-disable no-await-in-loop */
+import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
+import vtkOpenGLRenderWindow from 'vtk.js/Sources/Rendering/OpenGL/RenderWindow';
+import vtkRenderer from 'vtk.js/Sources/Rendering/Core/Renderer';
+import vtkRenderWindow from 'vtk.js/Sources/Rendering/Core/RenderWindow';
+import vtkPlaneSource from 'vtk.js/Sources/Filters/Sources/PlaneSource';
+import vtkSphereMapper from 'vtk.js/Sources/Rendering/Core/SphereMapper';
+
+import test from 'tape';
+import testUtils from 'vtk.js/Sources/Testing/testUtils';
+
+import baseline1 from './testLargeCoordinates1.png';
+import baseline2 from './testLargeCoordinates2.png';
+
+test.onlyIfWebGL('Test vtkSphereMapper large coordinates', async (t) => {
+  const gc = testUtils.createGarbageCollector();
+  t.ok('Rendering', 'vtkSphereMapper: large coordinates');
+
+  // Create come control UI
+  const container = document.querySelector('body');
+  const renderWindowContainer = gc.registerDOMElement(
+    document.createElement('div')
+  );
+  container.appendChild(renderWindowContainer);
+
+  const renderWindow = gc.registerResource(vtkRenderWindow.newInstance());
+  const renderer = gc.registerResource(vtkRenderer.newInstance());
+  renderWindow.addRenderer(renderer);
+
+  const X = 9000000;
+  const planeSource = gc.registerResource(
+    vtkPlaneSource.newInstance({
+      point1: [1 + X, 0, 0],
+      point2: [0 + X, 1, 0],
+      origin: [X, 0, 0],
+    })
+  );
+  const mapper = gc.registerResource(vtkSphereMapper.newInstance());
+  const actor = gc.registerResource(vtkActor.newInstance());
+
+  actor.setMapper(mapper);
+  mapper.setInputConnection(planeSource.getOutputPort());
+
+  const glwindow = gc.registerResource(vtkOpenGLRenderWindow.newInstance());
+  glwindow.setContainer(renderWindowContainer);
+  renderWindow.addView(glwindow);
+  glwindow.setSize(400, 400);
+
+  renderer.addActor(actor);
+  renderer.resetCamera();
+
+  function testBaseline(baseline, azimuth) {
+    renderer.getActiveCamera().azimuth(azimuth);
+    renderer.resetCameraClippingRange();
+    const promise = glwindow
+      .captureNextImage()
+      .then((image) =>
+        testUtils.compareImages(
+          image,
+          [baseline],
+          'Rendering/OpenGL/SphereMapper/',
+          t,
+          0.5
+        )
+      );
+    renderWindow.render();
+    return promise;
+  }
+
+  await [
+    [baseline1, -4],
+    [baseline2, -8],
+  ]
+    .reduce(
+      (p, [baseline, azimuth]) => p.then(() => testBaseline(baseline, azimuth)),
+      Promise.resolve()
+    )
+    .finally(() => {
+      gc.releaseResources();
+    });
+});