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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | 1x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 67x 12x 12x 12x 12x 1x 12x 12x 12x 12x 12x 12x 1x | import macro from 'vtk.js/Sources/macros';
import vtkCubeSource from 'vtk.js/Sources/Filters/Sources/CubeSource';
const { vtkErrorMacro } = macro;
// ----------------------------------------------------------------------------
// vtkImageDataOutlineFilter methods
// ----------------------------------------------------------------------------
function vtkImageDataOutlineFilter(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkImageDataOutlineFilter');
// Capture "parentClass" api for internal use
const superClass = { ...publicAPI };
publicAPI.requestData = (inData, outData) => {
// implement requestData
const input = inData[0];
Iif (!input || !input.isA('vtkImageData')) {
vtkErrorMacro('Invalid or missing input');
return;
}
// First create a cube polydata in the index-space of the image.
// The benefit of using `getSpatialExtent` call is that it automatically
// takes care of 0.5 voxel padding as required by an vtkImageData representation.
const spatialExt = input.getSpatialExtent();
Iif (!spatialExt) {
vtkErrorMacro('Unable to fetch spatial extents of input image.');
return;
}
model._cubeSource.setBounds(spatialExt);
// Then apply index-to-world transform to the cube to create the outline.
model._cubeSource.setMatrix(input.getIndexToWorld());
outData[0] = model._cubeSource.getOutputData();
};
publicAPI.getMTime = () =>
Math.max(superClass.getMTime(), model._cubeSource.getMTime());
// Forward calls for [set/get]Generate[Faces/Lines] functions to cubeSource:
publicAPI.setGenerateFaces = model._cubeSource.setGenerateFaces;
publicAPI.setGenerateLines = model._cubeSource.setGenerateLines;
publicAPI.getGenerateFaces = model._cubeSource.getGenerateFaces;
publicAPI.getGenerateLines = model._cubeSource.getGenerateLines;
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Make this a VTK object
macro.obj(publicAPI, model);
// Also make it an algorithm with one input and one output
macro.algo(publicAPI, model, 1, 1);
// Internal persistent objects
model._cubeSource = vtkCubeSource.newInstance();
macro.moveToProtected(publicAPI, model, ['cubeSource', 'tmpOut']);
// Object specific methods
vtkImageDataOutlineFilter(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkImageDataOutlineFilter'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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