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 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import macro from 'vtk.js/Sources/macros';
import vtkAbstractWidgetFactory from 'vtk.js/Sources/Widgets/Core/AbstractWidgetFactory';
import vtkPlanePointManipulator from 'vtk.js/Sources/Widgets/Manipulators/PlaneManipulator';
import vtkPolyLineRepresentation from 'vtk.js/Sources/Widgets/Representations/PolyLineRepresentation';
import vtkSphereHandleRepresentation from 'vtk.js/Sources/Widgets/Representations/SphereHandleRepresentation';
import * as vtkMath from 'vtk.js/Sources/Common/Core/Math';
import widgetBehavior from 'vtk.js/Sources/Widgets/Widgets3D/AngleWidget/behavior';
import stateGenerator from 'vtk.js/Sources/Widgets/Widgets3D/AngleWidget/state';
import { ViewTypes } from 'vtk.js/Sources/Widgets/Core/WidgetManager/Constants';
// ----------------------------------------------------------------------------
// Factory
// ----------------------------------------------------------------------------
function vtkAngleWidget(publicAPI, model) {
model.classHierarchy.push('vtkAngleWidget');
// --- Widget Requirement ---------------------------------------------------
model.methodsToLink = [
'activeScaleFactor',
'activeColor',
'useActiveColor',
'glyphResolution',
'defaultScale',
'scaleInPixels',
];
model._onManipulatorChanged = () => {
model.widgetState.getMoveHandle().setManipulator(model.manipulator);
model.widgetState.getHandleList().forEach((handle) => {
handle.setManipulator(model.manipulator);
});
};
publicAPI.getRepresentationsForViewType = (viewType) => {
switch (viewType) {
case ViewTypes.DEFAULT:
case ViewTypes.GEOMETRY:
case ViewTypes.SLICE:
case ViewTypes.VOLUME:
default:
return [
{
builder: vtkSphereHandleRepresentation,
labels: ['handles', 'moveHandle'],
},
{
builder: vtkPolyLineRepresentation,
labels: ['handles', 'moveHandle'],
},
];
}
};
// --- Public methods -------------------------------------------------------
// Returns angle in radians
publicAPI.getAngle = () => {
const handles = model.widgetState.getHandleList();
if (handles.length !== 3) {
return 0;
}
if (
!handles[0].getOrigin() ||
!handles[1].getOrigin() ||
!handles[2].getOrigin()
) {
return 0;
}
const vec1 = [0, 0, 0];
const vec2 = [0, 0, 0];
vtkMath.subtract(handles[0].getOrigin(), handles[1].getOrigin(), vec1);
vtkMath.subtract(handles[2].getOrigin(), handles[1].getOrigin(), vec2);
return vtkMath.angleBetweenVectors(vec1, vec2);
};
// --------------------------------------------------------------------------
// initialization
// --------------------------------------------------------------------------
model.widgetState.onBoundsChange((bounds) => {
const center = [
(bounds[0] + bounds[1]) * 0.5,
(bounds[2] + bounds[3]) * 0.5,
(bounds[4] + bounds[5]) * 0.5,
];
model.widgetState.getMoveHandle().setOrigin(center);
});
// Default manipulator
publicAPI.setManipulator(
model.manipulator ||
vtkPlanePointManipulator.newInstance({ useCameraNormal: true })
);
}
// ----------------------------------------------------------------------------
const defaultValues = (initialValues) => ({
// manipulator: null,
behavior: widgetBehavior,
widgetState: stateGenerator(),
...initialValues,
});
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, defaultValues(initialValues));
vtkAbstractWidgetFactory.extend(publicAPI, model, initialValues);
macro.setGet(publicAPI, model, ['manipulator']);
vtkAngleWidget(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkAngleWidget');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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