Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 3x 9x 27x 26x 26x 26x 1x | import vtkStateBuilder from 'vtk.js/Sources/Widgets/Core/StateBuilder';
import {
AXES,
handleTypeFromName,
} from 'vtk.js/Sources/Widgets/Widgets3D/ImageCroppingWidget/helpers';
export default function build() {
// create our state builder
const builder = vtkStateBuilder.createBuilder();
// add image data description fields
builder
.addField({
name: 'indexToWorldT',
initialValue: Array(16).fill(0),
})
.addField({
name: 'worldToIndexT',
initialValue: Array(16).fill(0),
});
// make cropping planes a sub-state so we can listen to it
// separately from the rest of the widget state.
const croppingState = vtkStateBuilder
.createBuilder()
.addField({
name: 'planes',
// index space
initialValue: [0, 1, 0, 1, 0, 1],
})
.build();
// add cropping planes state to our primary state
builder.addStateFromInstance({
labels: ['croppingPlanes'],
name: 'croppingPlanes',
instance: croppingState,
});
// add all handle states
// default bounds is [-1, 1] in all dimensions
for (let i = -1; i < 2; i++) {
for (let j = -1; j < 2; j++) {
for (let k = -1; k < 2; k++) {
// skip center of box
if (i !== 0 || j !== 0 || k !== 0) {
const name = AXES[i + 1] + AXES[j + 1] + AXES[k + 1];
const type = handleTypeFromName(name);
// since handle states are rendered via vtkSphereHandleRepresentation,
// we can dictate the handle origin, size (scale1), color, and visibility.
builder.addStateFromMixin({
labels: ['handles', name, type],
mixins: [
'name',
'origin',
'color',
'scale1',
'visible',
'manipulator',
],
name,
initialValues: {
scale1: 30,
origin: [i, j, k],
visible: true,
name,
},
});
}
}
}
}
return builder.build();
}
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