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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 | 1x 1x 1140x 4560x 4560x 1140x 4560x 139x 4560x 4418x 142x 1140x 11x 44x 1140x 1140x 19x 19x 76x 76x 1140x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 1x 1x 1x 1x 1x 1x 1x 1x 7x 7x 7x 89x 89x 76x 76x 13x 13x 89x 89x 7x 7x 7x 7x 7x 1140x 3x 2x 3x 3x 3x 3x 1140x 1140x 420x 420x 420x 5x 5x 415x 415x 420x 420x 420x 1140x 1140x 1140x 108x 108x 108x 108x 1x 1140x 1140x 1140x 1140x 1140x 1x | import macro from 'vtk.js/Sources/macros';
import vtk from 'vtk.js/Sources/vtk';
import vtkCellArray from 'vtk.js/Sources/Common/Core/CellArray';
import vtkCellLinks from 'vtk.js/Sources/Common/DataModel/CellLinks';
import vtkCellTypes from 'vtk.js/Sources/Common/DataModel/CellTypes';
import vtkLine from 'vtk.js/Sources/Common/DataModel/Line';
import vtkPointSet from 'vtk.js/Sources/Common/DataModel/PointSet';
import vtkTriangle from 'vtk.js/Sources/Common/DataModel/Triangle';
import { CellType } from 'vtk.js/Sources/Common/DataModel/CellTypes/Constants';
import { POLYDATA_FIELDS } from 'vtk.js/Sources/Common/DataModel/PolyData/Constants';
const { vtkWarningMacro } = macro;
export const CELL_FACTORY = {
[CellType.VTK_LINE]: vtkLine,
[CellType.VTK_POLY_LINE]: vtkLine,
[CellType.VTK_TRIANGLE]: vtkTriangle,
};
// ----------------------------------------------------------------------------
// vtkPolyData methods
// ----------------------------------------------------------------------------
function vtkPolyData(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkPolyData');
function camelize(str) {
return str
.replace(/(?:^\w|[A-Z]|\b\w)/g, (letter) => letter.toUpperCase())
.replace(/\s+/g, '');
}
// build empty cell arrays and set methods
POLYDATA_FIELDS.forEach((type) => {
publicAPI[`getNumberOf${camelize(type)}`] = () =>
model[type].getNumberOfCells();
if (!model[type]) {
model[type] = vtkCellArray.newInstance();
} else {
model[type] = vtk(model[type]);
}
});
publicAPI.getNumberOfCells = () =>
POLYDATA_FIELDS.reduce(
(num, cellType) => num + model[cellType].getNumberOfCells(),
0
);
const superShallowCopy = publicAPI.shallowCopy;
publicAPI.shallowCopy = (other, debug = false) => {
superShallowCopy(other, debug);
POLYDATA_FIELDS.forEach((type) => {
model[type] = vtkCellArray.newInstance();
model[type].shallowCopy(other.getReferenceByName(type));
});
};
publicAPI.buildCells = () => {
// here are the number of cells we have
const nVerts = publicAPI.getNumberOfVerts();
const nLines = publicAPI.getNumberOfLines();
const nPolys = publicAPI.getNumberOfPolys();
const nStrips = publicAPI.getNumberOfStrips();
// pre-allocate the space we need
const nCells = nVerts + nLines + nPolys + nStrips;
const types = new Uint8Array(nCells);
let pTypes = types;
const locs = new Uint32Array(nCells);
let pLocs = locs;
// record locations and type of each cell.
// verts
Iif (nVerts) {
let nextCellPts = 0;
model.verts.getCellSizes().forEach((numCellPts, index) => {
pLocs[index] = nextCellPts;
pTypes[index] =
numCellPts > 1 ? CellType.VTK_POLY_VERTEX : CellType.VTK_VERTEX;
nextCellPts += numCellPts + 1;
});
pLocs = pLocs.subarray(nVerts);
pTypes = pTypes.subarray(nVerts);
}
// lines
if (nLines) {
let nextCellPts = 0;
model.lines.getCellSizes().forEach((numCellPts, index) => {
pLocs[index] = nextCellPts;
pTypes[index] =
numCellPts > 2 ? CellType.VTK_POLY_LINE : CellType.VTK_LINE;
Iif (numCellPts === 1) {
vtkWarningMacro(
'Building VTK_LINE ',
index,
' with only one point, but VTK_LINE needs at least two points. Check the input.'
);
}
nextCellPts += numCellPts + 1;
});
pLocs = pLocs.subarray(nLines);
pTypes = pTypes.subarray(nLines);
}
// polys
if (nPolys) {
let nextCellPts = 0;
model.polys.getCellSizes().forEach((numCellPts, index) => {
pLocs[index] = nextCellPts;
switch (numCellPts) {
case 3:
pTypes[index] = CellType.VTK_TRIANGLE;
break;
case 4:
pTypes[index] = CellType.VTK_QUAD;
break;
default:
pTypes[index] = CellType.VTK_POLYGON;
break;
}
Iif (numCellPts < 3) {
vtkWarningMacro(
'Building VTK_TRIANGLE ',
index,
' with less than three points, but VTK_TRIANGLE needs at least three points. Check the input.'
);
}
nextCellPts += numCellPts + 1;
});
pLocs += pLocs.subarray(nPolys);
pTypes += pTypes.subarray(nPolys);
}
// strips
Iif (nStrips) {
let nextCellPts = 0;
pTypes.fill(CellType.VTK_TRIANGLE_STRIP, 0, nStrips);
model.strips.getCellSizes().forEach((numCellPts, index) => {
pLocs[index] = nextCellPts;
nextCellPts += numCellPts + 1;
});
}
// set up the cell types data structure
model.cells = vtkCellTypes.newInstance();
model.cells.setCellTypes(nCells, types, locs);
};
/**
* Create upward links from points to cells that use each point. Enables
* topologically complex queries.
*/
publicAPI.buildLinks = (initialSize = 0) => {
if (model.cells === undefined) {
publicAPI.buildCells();
}
model.links = vtkCellLinks.newInstance();
Iif (initialSize > 0) {
model.links.allocate(initialSize);
} else {
model.links.allocate(publicAPI.getPoints().getNumberOfPoints());
}
model.links.buildLinks(publicAPI);
};
publicAPI.getCellType = (cellId) => model.cells.getCellType(cellId);
publicAPI.getCellPoints = (cellId) => {
const cellType = publicAPI.getCellType(cellId);
let cells = null;
switch (cellType) {
case CellType.VTK_VERTEX:
case CellType.VTK_POLY_VERTEX:
cells = model.verts;
break;
case CellType.VTK_LINE:
case CellType.VTK_POLY_LINE:
cells = model.lines;
break;
case CellType.VTK_TRIANGLE:
case CellType.VTK_QUAD:
case CellType.VTK_POLYGON:
cells = model.polys;
break;
case CellType.VTK_TRIANGLE_STRIP:
cells = model.strips;
break;
default:
cells = null;
return { type: 0, cellPointIds: null };
}
const loc = model.cells.getCellLocation(cellId);
const cellPointIds = cells.getCell(loc);
return { cellType, cellPointIds };
};
publicAPI.getPointCells = (ptId) => model.links.getCells(ptId);
publicAPI.getCellEdgeNeighbors = (cellId, point1, point2) => {
const link1 = model.links.getLink(point1);
const link2 = model.links.getLink(point2);
return link1.cells.filter(
(cell) => cell !== cellId && link2.cells.indexOf(cell) !== -1
);
};
/**
* If you know the type of cell, you may provide it to improve performances.
*/
publicAPI.getCell = (cellId, cellHint = null) => {
const cellInfo = publicAPI.getCellPoints(cellId);
const cell = cellHint || CELL_FACTORY[cellInfo.cellType].newInstance();
cell.initialize(publicAPI.getPoints(), cellInfo.cellPointIds);
return cell;
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
// verts: null,
// lines: null,
// polys: null,
// strips: null,
// cells: null,
// links: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkPointSet.extend(publicAPI, model, initialValues);
macro.get(publicAPI, model, ['cells', 'links']);
macro.setGet(publicAPI, model, ['verts', 'lines', 'polys', 'strips']);
// Object specific methods
vtkPolyData(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkPolyData');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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