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143 changes: 143 additions & 0 deletions
143
Sources/Rendering/OpenGL/ImageMapper/test/testImageCroppingPlanes.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| import test from 'tape-catch'; | ||
| import testUtils from 'vtk.js/Sources/Testing/testUtils'; | ||
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|
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| import vtkImageGridSource from 'vtk.js/Sources/Filters/Sources/ImageGridSource'; | ||
| import vtkImageMapper from 'vtk.js/Sources/Rendering/Core/ImageMapper'; | ||
| import vtkImageSlice from 'vtk.js/Sources/Rendering/Core/ImageSlice'; | ||
| 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 vtkPlane from 'vtk.js/Sources/Common/DataModel/Plane'; | ||
| import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor'; | ||
| import vtkPolyData from 'vtk.js/Sources/Common/DataModel/PolyData'; | ||
| import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper'; | ||
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| import baseline from './testImageCroppingPlanes.png'; | ||
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| test.onlyIfWebGL('Test ImageMapper ClippingPlanes', (t) => { | ||
| const gc = testUtils.createGarbageCollector(t); | ||
| t.ok('rendering', 'vtkOpenGLImageMapper testImage'); | ||
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| // Create some control UI | ||
| const container = document.querySelector('body'); | ||
| const renderWindowContainer = gc.registerDOMElement( | ||
| document.createElement('div') | ||
| ); | ||
| container.appendChild(renderWindowContainer); | ||
|
|
||
| // create what we will view | ||
| const renderWindow = gc.registerResource(vtkRenderWindow.newInstance()); | ||
| const renderer = gc.registerResource(vtkRenderer.newInstance()); | ||
| renderWindow.addRenderer(renderer); | ||
| renderer.setBackground(0.32, 0.34, 0.43); | ||
|
|
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| // ---------------------------------------------------------------------------- | ||
| // Test code | ||
| // ---------------------------------------------------------------------------- | ||
|
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| const gridSource = gc.registerResource(vtkImageGridSource.newInstance()); | ||
| const extent = 200; | ||
| const spacing = 16; | ||
| const origin = 8; | ||
| gridSource.setDataExtent(0, extent, 0, extent, 0, 0); | ||
| gridSource.setGridSpacing(spacing, spacing, 0); | ||
| gridSource.setGridOrigin(origin, origin, 0); | ||
| const direction = [0.866, 0.5, 0, -0.5, 0.866, 0, 0, 0, 1]; | ||
| gridSource.setDataDirection(...direction); | ||
|
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| const mapper = gc.registerResource(vtkImageMapper.newInstance()); | ||
| mapper.setInputConnection(gridSource.getOutputPort()); | ||
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| const clipPlane = vtkPlane.newInstance(); | ||
| clipPlane.setOrigin([0.0, 0.0, 0.0]); | ||
| clipPlane.setNormal([0.707, 0.707, 0.0]); | ||
| mapper.addClippingPlane(clipPlane); | ||
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| const actor = gc.registerResource(vtkImageSlice.newInstance()); | ||
| actor.getProperty().setColorWindow(255); | ||
| actor.getProperty().setColorLevel(127); | ||
| actor.getProperty().setOpacity(0.3); | ||
| actor.setMapper(mapper); | ||
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| const position = [0.3, 0.0, 0.0]; | ||
| actor.setPosition(position); | ||
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| const polyData = vtkPolyData.newInstance(); | ||
| const polyMapper = vtkMapper.newInstance(); | ||
| polyMapper.addClippingPlane(clipPlane); | ||
| polyMapper.setInputData(polyData); | ||
|
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| const polySideCount = parseInt(extent / spacing, 10); | ||
| const polyPoints = new Float32Array(polySideCount * polySideCount * 3); | ||
| let vertexIndex = 0; | ||
| for (let i = 0; i < polySideCount; i++) { | ||
| for (let j = 0; j < polySideCount; j++) { | ||
| polyPoints[vertexIndex] = origin + i * spacing; | ||
| polyPoints[vertexIndex + 1] = origin + j * spacing; | ||
| polyPoints[vertexIndex + 2] = origin; | ||
| vertexIndex += 3; | ||
| } | ||
| } | ||
|
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| function addLines(linesArray, offset, lineCount) { | ||
| for (let i = 0; i < lineCount - 1; i++) { | ||
| for (let j = 0; j < lineCount - 1; j++) { | ||
| const start = i * lineCount + j + offset; | ||
| linesArray.push( | ||
| 5, | ||
| start, | ||
| start + 1, | ||
| (i + 1) * lineCount + j + 1 + offset, | ||
| (i + 1) * lineCount + j + offset, | ||
| start | ||
| ); | ||
| } | ||
| } | ||
| } | ||
|
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| const polyActor = vtkActor.newInstance(); | ||
| polyActor.setMapper(polyMapper); | ||
| polyActor.getProperty().setOpacity(1.0); | ||
| polyActor.getProperty().setColor(1.0, 0.6, 0.6); | ||
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| polyActor.setPosition(position); | ||
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| const polyLines = []; | ||
| addLines(polyLines, 0, polySideCount); | ||
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| const verts = new Uint32Array(polyPoints.length); | ||
| verts.fill(1); | ||
| for (let i = 0; i < polyPoints.length; i++) { | ||
| verts[i * 2 + 1] = i; | ||
| } | ||
| polyData.getPoints().setData(polyPoints, 3); | ||
| polyData.getVerts().setData(verts); | ||
| polyData.getLines().setData(new Uint32Array(polyLines)); | ||
|
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| // Applied with DataDirection on the grid | ||
| polyActor.rotateZ(30); | ||
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| renderer.addActor(actor); | ||
| renderer.addActor(polyActor); | ||
| renderer.resetCamera(); | ||
| renderWindow.render(); | ||
|
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| // create something to view it, in this case webgl | ||
| const glwindow = gc.registerResource(vtkOpenGLRenderWindow.newInstance()); | ||
| glwindow.setContainer(renderWindowContainer); | ||
| renderWindow.addView(glwindow); | ||
| glwindow.setSize(400, 400); | ||
|
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| glwindow.captureNextImage().then((image) => { | ||
| testUtils.compareImages( | ||
| image, | ||
| [baseline], | ||
| 'Rendering/OpenGL/ImageMapper', | ||
| t, | ||
| 1, | ||
| gc.releaseResources | ||
| ); | ||
| }); | ||
|
|
||
| renderWindow.render(); | ||
| }); |
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Sources/Rendering/OpenGL/ImageMapper/test/testImageCroppingPlanes.png
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