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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 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | 13x 13x 12x 12x 12x 12x 48x 12x 12x 12x 12x 12x 12x 12x 36x 12x 12x 12x 12x 12x 12x 16x 5x 11x 16x 2911x 2911x 2911x 591631x 591631x 591631x 591631x 12x 12x 12x 12x 12x 1x 13x 13x 13x 13x 13x 13x 13x 13x 1x | import macro from 'vtk.js/Sources/macros';
import vtkImageData from 'vtk.js/Sources/Common/DataModel/ImageData';
import vtkDataArray from 'vtk.js/Sources/Common/Core/DataArray';
// ----------------------------------------------------------------------------
// vtkImageGridSource methods
// ----------------------------------------------------------------------------
function vtkImageGridSource(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkImageGridSource');
publicAPI.requestData = (inData, outData) => {
Iif (model.deleted) {
return;
}
const state = {};
const dataset = {
type: 'vtkImageData',
mtime: model.mtime,
metadata: {
source: 'vtkImageGridSource',
state,
},
};
// Add parameter used to create dataset as metadata.state[*]
['gridSpacing', 'gridOrigin', 'dataSpacing', 'dataOrigin'].forEach(
(field) => {
state[field] = [].concat(model[field]);
}
);
const id = vtkImageData.newInstance(dataset);
id.setOrigin(model.dataOrigin[0], model.dataOrigin[1], model.dataOrigin[2]);
id.setSpacing(
model.dataSpacing[0],
model.dataSpacing[1],
model.dataSpacing[2]
);
id.setExtent.apply(this, model.dataExtent);
id.setDirection(model.dataDirection);
let dims = [0, 0, 0];
dims = dims.map(
(_, i) => model.dataExtent[i * 2 + 1] - model.dataExtent[i * 2] + 1
);
const newArray = new Uint8Array(dims[0] * dims[1] * dims[2]);
let xval = 0;
let yval = 0;
let zval = 0;
let i = 0;
for (let z = model.dataExtent[4]; z <= model.dataExtent[5]; z++) {
if (model.gridSpacing[2]) {
zval = z % model.gridSpacing[2] === model.gridOrigin[2];
} else {
zval = 0;
}
for (let y = model.dataExtent[2]; y <= model.dataExtent[3]; y++) {
if (model.gridSpacing[1]) {
yval = y % model.gridSpacing[1] === model.gridOrigin[1];
} else E{
yval = 0;
}
for (let x = model.dataExtent[0]; x <= model.dataExtent[1]; x++) {
if (model.gridSpacing[0]) {
xval = x % model.gridSpacing[0] === model.gridOrigin[0];
} else E{
xval = 0;
}
newArray[i] =
zval || yval || xval ? model.lineValue : model.fillValue;
i++;
}
}
}
const da = vtkDataArray.newInstance({
numberOfComponents: 1,
values: newArray,
});
da.setName('scalars');
const cpd = id.getPointData();
cpd.setScalars(da);
// Update output
outData[0] = id;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
lineValue: 0,
fillValue: 255,
gridSpacing: [10, 10, 0],
gridOrigin: [0, 0, 0],
dataSpacing: [1.0, 1.0, 1.0],
dataOrigin: [0.0, 0.0, 0.0],
dataExtent: [0, 255, 0, 255, 0, 0],
dataDirection: [1, 0, 0, 0, 1, 0, 0, 0, 1],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Build VTK API
macro.obj(publicAPI, model);
macro.setGet(publicAPI, model, ['lineValue', 'fillValue']);
macro.setGetArray(
publicAPI,
model,
['gridOrigin', 'gridSpacing', 'dataOrigin', 'dataSpacing'],
3
);
macro.setGetArray(publicAPI, model, ['dataExtent'], 6);
macro.setGetArray(publicAPI, model, ['dataDirection'], 9);
macro.algo(publicAPI, model, 0, 1);
vtkImageGridSource(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkImageGridSource');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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