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 | 1x 5x 5x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 39x 39x 39x 39x 39x 4x 4x 4x 39x 4x 1x 5x 5x 5x 5x 5x 5x 1x | import macro from 'vtk.js/Sources/macros';
import vtkPolyData from 'vtk.js/Sources/Common/DataModel/PolyData';
import * as vtkMath from 'vtk.js/Sources/Common/Core/Math';
const { vtkWarningMacro } = macro;
// ----------------------------------------------------------------------------
// vtkLineSource methods
// ----------------------------------------------------------------------------
function vtkLineSource(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkLineSource');
publicAPI.requestData = (inData, outData) => {
Iif (model.deleted) {
return;
}
const dataset = outData[0];
// Check input
const pointDataType = dataset
? dataset.getPoints().getDataType()
: model.pointType;
const pd = vtkPolyData.newInstance();
const v21 = [];
vtkMath.subtract(model.point2, model.point1, v21);
Iif (vtkMath.norm(v21) <= 0.0) {
vtkWarningMacro('Zero-length line definition');
return;
}
// hand create a line with special scalars
const res = model.resolution;
const numPts = res + 1;
// Points
const points = macro.newTypedArray(pointDataType, numPts * 3);
pd.getPoints().setData(points, 3);
// Cells
const lines = new Uint32Array(numPts + 1);
pd.getLines().setData(lines, 1);
let idx = 0;
let t = 0.0;
for (let i = 0; i < res + 1; i++) {
t = i / res;
points[idx * 3] = model.point1[0] + t * v21[0];
points[idx * 3 + 1] = model.point1[1] + t * v21[1];
points[idx * 3 + 2] = model.point1[2] + t * v21[2];
idx++;
}
// Generate line connectivity
//
idx = 0;
lines[0] = numPts;
for (let i = 0; i < numPts; i++) {
lines[i + 1] = i;
}
// Update output
outData[0] = pd;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
resolution: 10,
point1: [-1, 0, 0],
point2: [1, 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, ['resolution']);
macro.setGetArray(publicAPI, model, ['point1', 'point2'], 3);
macro.algo(publicAPI, model, 0, 1);
vtkLineSource(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkLineSource');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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