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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | 13x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 13x 1x 13x 13x 13x 13x 13x 13x 1x | import macro from 'vtk.js/Sources/macros';
import vtkAppendPolyData from 'vtk.js/Sources/Filters/General/AppendPolyData';
import vtkConeSource from 'vtk.js/Sources/Filters/Sources/ConeSource';
import vtkCylinderSource from 'vtk.js/Sources/Filters/Sources/CylinderSource';
import vtkMatrixBuilder from 'vtk.js/Sources/Common/Core/MatrixBuilder';
// ----------------------------------------------------------------------------
// vtkArrowSource methods
// ----------------------------------------------------------------------------
function vtkArrowSource(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkArrowSource');
function requestData(inData, outData) {
Iif (model.deleted) {
return;
}
const cylinder = vtkCylinderSource.newInstance({ capping: true });
cylinder.setResolution(model.shaftResolution);
cylinder.setRadius(model.shaftRadius);
cylinder.setHeight(1.0 - model.tipLength);
cylinder.setCenter(0, (1.0 - model.tipLength) * 0.5, 0.0);
const cylinderPD = cylinder.getOutputData();
const cylinderPts = cylinderPD.getPoints().getData();
const cylinderNormals = cylinderPD.getPointData().getNormals().getData();
// Apply transformation to the cylinder
vtkMatrixBuilder
.buildFromDegree()
.rotateZ(-90)
.apply(cylinderPts)
.apply(cylinderNormals);
const cone = vtkConeSource.newInstance();
cone.setResolution(model.tipResolution);
cone.setHeight(model.tipLength);
cone.setRadius(model.tipRadius);
const conePD = cone.getOutputData();
const conePts = conePD.getPoints().getData();
// Apply transformation to the cone
vtkMatrixBuilder
.buildFromRadian()
.translate(1.0 - model.tipLength * 0.5, 0.0, 0.0)
.apply(conePts);
const append = vtkAppendPolyData.newInstance();
append.setInputData(cylinderPD);
append.addInputData(conePD);
const appendPD = append.getOutputData();
const appendPts = appendPD.getPoints().getData();
// Center the arrow about [0, 0, 0]
vtkMatrixBuilder
.buildFromRadian()
.translate(-0.5 + model.tipLength * 0.5, 0.0, 0.0)
.apply(appendPts);
Iif (model.invert) {
// Apply transformation to the arrow
vtkMatrixBuilder
.buildFromRadian()
.rotateFromDirections([1, 0, 0], model.direction)
.scale(-1, -1, -1)
.apply(appendPts);
// Update output
outData[0] = appendPD;
} else {
// Apply transformation to the arrow
vtkMatrixBuilder
.buildFromRadian()
.rotateFromDirections([1, 0, 0], model.direction)
.scale(1, 1, 1)
.apply(appendPts);
// Update output
outData[0] = append.getOutputData();
}
}
// Expose methods
publicAPI.requestData = requestData;
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
tipResolution: 6,
tipRadius: 0.1,
tipLength: 0.35,
shaftResolution: 6,
shaftRadius: 0.03,
invert: false,
direction: [1.0, 0.0, 0.0],
pointType: 'Float64Array',
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Build VTK API
macro.obj(publicAPI, model);
macro.setGet(publicAPI, model, [
'tipResolution',
'tipRadius',
'tipLength',
'shaftResolution',
'shaftRadius',
'invert',
]);
macro.setGetArray(publicAPI, model, ['direction'], 3);
macro.algo(publicAPI, model, 0, 1);
vtkArrowSource(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkArrowSource');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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