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test(testImageLabelOutline): add slicing mode test #9

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test(testImageLabelOutline): add slicing mode test #9

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33 changes: 23 additions & 10 deletions Sources/Rendering/Core/ImageMapper/test/testImageLabelOutline.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import 'vtk.js/Sources/Rendering/Misc/RenderingAPIs';

import vtkImageMapper from 'vtk.js/Sources/Rendering/Core/ImageMapper';
import vtkImageSlice from 'vtk.js/Sources/Rendering/Core/ImageSlice';
import { SlicingMode } from 'vtk.js/Sources/Rendering/Core/ImageMapper/Constants';
import vtkRenderer from 'vtk.js/Sources/Rendering/Core/Renderer';
import vtkRenderWindow from 'vtk.js/Sources/Rendering/Core/RenderWindow';
import vtkImageData from 'vtk.js/Sources/Common/DataModel/ImageData';
Expand All @@ -13,7 +14,7 @@ import vtkPiecewiseFunction from 'vtk.js/Sources/Common/DataModel/PiecewiseFunct

import baseline from './testImageLabelOutline.png';

test('Test ImageMapper', (t) => {
test.only('Test ImageMapper', (t) => {
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🤣👍️

const gc = testUtils.createGarbageCollector(t);
t.ok('rendering', 'vtkImageMapper testImage');

Expand All @@ -37,6 +38,9 @@ test('Test ImageMapper', (t) => {
const BACKGROUND = 0;
const LOW_VALUE = 80;
const HIGH_VALUE = 160;
const SLICE = 5;
const SLICING_MODE = SlicingMode.I;
const CAMERA_POS = [10, 0, 0];

function createLabelPipeline(backgroundImageData) {
const labelMapData = gc.registerResource(
Expand Down Expand Up @@ -79,6 +83,9 @@ test('Test ImageMapper', (t) => {
ofun: gc.registerResource(vtkPiecewiseFunction.newInstance()),
};

labelMap.mapper.setSlicingMode(SLICING_MODE);
labelMap.mapper.setSlice(SLICE);

// Labelmap pipeline
labelMap.mapper.setInputData(labelMapData);
labelMap.actor.setMapper(labelMap.mapper);
Expand Down Expand Up @@ -129,7 +136,7 @@ test('Test ImageMapper', (t) => {
// Create a one slice vtkImageData that has four quadrants of different values

const imageData = gc.registerResource(vtkImageData.newInstance());
const dims = [10, 10, 1];
const dims = [10, 10, 10];
imageData.setSpacing(1, 1, 1);
imageData.setOrigin(0.1, 0.1, 0.1);
imageData.setDirection(1, 0, 0, 0, 1, 0, 0, 0, 1);
Expand All @@ -140,14 +147,16 @@ test('Test ImageMapper', (t) => {
const values = new Uint8Array(dims[0] * dims[1] * dims[2]);

let i = 0;
for (let y = 0; y < dims[1]; y++) {
for (let x = 0; x < dims[0]; x++, i++) {
if ((x < 3 && y < 3) || (x > 7 && y > 7)) {
values[i] = BACKGROUND;
} else if (x > 4 && x < 6 && y > 4 && y < 7) {
values[i] = LOW_VALUE;
} else {
values[i] = HIGH_VALUE;
for (let z = 0; z < dims[2]; z++) {
for (let y = 0; y < dims[1]; y++) {
for (let x = 0; x < dims[0]; x++, i++) {
if (x > 3 && x < 6 && y > 3 && y < 6) {
values[i] = LOW_VALUE;
} else if (x > 1 && x < 8 && y > 1 && y < 8) {
values[i] = HIGH_VALUE;
} else {
values[i] = BACKGROUND;
}
}
}
}
Expand All @@ -170,11 +179,15 @@ test('Test ImageMapper', (t) => {
const actor = gc.registerResource(vtkImageSlice.newInstance());
const mapper = gc.registerResource(vtkImageMapper.newInstance());
mapper.setInputData(data);
mapper.setSlicingMode(SLICING_MODE);
mapper.setSlice(SLICE);
actor.setMapper(mapper);
actor.getProperty().setInterpolationTypeToNearest();

renderer.addActor(actor);
renderer.addActor(labelMap.actor);

renderer.getActiveCamera().setPosition(...CAMERA_POS);
renderer.resetCamera();
renderer.resetCameraClippingRange();
renderWindow.render();
Expand Down
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