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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import macro from 'vtk.js/Sources/macros';
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
import vtkContextRepresentation from 'vtk.js/Sources/Widgets/Representations/ContextRepresentation';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
import vtkPolyData from 'vtk.js/Sources/Common/DataModel/PolyData';
import vtkBoundingBox from 'vtk.js/Sources/Common/DataModel/BoundingBox';
import {
BOUNDS_MAP,
LINE_ARRAY,
} from 'vtk.js/Sources/Filters/General/OutlineFilter';
// ----------------------------------------------------------------------------
// vtkOutlineContextRepresentation methods
// ----------------------------------------------------------------------------
// Represents a box outline given 8 points as corners.
// Does not work with an arbitrary set of points. An oriented bounding box
// algorithm may be implemented in the future.
function vtkOutlineContextRepresentation(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkOutlineContextRepresentation');
// internal bounding box
model.bbox = [...vtkBoundingBox.INIT_BOUNDS];
// --------------------------------------------------------------------------
// Internal polydata dataset
// --------------------------------------------------------------------------
model.internalPolyData = vtkPolyData.newInstance({ mtime: 0 });
model.points = new Float32Array(8 * 3);
model.internalPolyData.getPoints().setData(model.points, 3);
model.internalPolyData.getLines().setData(Uint16Array.from(LINE_ARRAY));
// --------------------------------------------------------------------------
// Generic rendering pipeline
// --------------------------------------------------------------------------
model.mapper = vtkMapper.newInstance({
scalarVisibility: false,
});
model.actor = vtkActor.newInstance({ parentProp: publicAPI });
model.actor.getProperty().setEdgeColor(...model.edgeColor);
model.mapper.setInputConnection(publicAPI.getOutputPort());
model.actor.setMapper(model.mapper);
publicAPI.addActor(model.actor);
// --------------------------------------------------------------------------
publicAPI.requestData = (inData, outData) => {
const list = publicAPI
.getRepresentationStates(inData[0])
.filter((state) => state.getOrigin && state.getOrigin());
vtkBoundingBox.reset(model.bbox);
for (let i = 0; i < list.length; i++) {
const pt = list[i].getOrigin();
if (pt) {
vtkBoundingBox.addPoint(model.bbox, ...pt);
}
}
// BOUNDS_MAP.length should equal model.points.length
for (let i = 0; i < BOUNDS_MAP.length; i++) {
model.points[i] = model.bbox[BOUNDS_MAP[i]];
}
model.internalPolyData.getPoints().modified();
model.internalPolyData.modified();
outData[0] = model.internalPolyData;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
edgeColor: [1, 1, 1],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
vtkContextRepresentation.extend(publicAPI, model, initialValues);
macro.setGetArray(publicAPI, model, ['edgeColor'], 3);
macro.get(publicAPI, model, ['mapper', 'actor']);
// Object specific methods
vtkOutlineContextRepresentation(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkOutlineContextRepresentation'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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