@thewtex/vtk.js-esm/IO/XML/XMLPolyDataWriter.js

Visualization Toolkit for the Web

import _defineProperty from '@babel/runtime/helpers/defineProperty';
import macro from '../../macro.js';
import vtkDataArray from '../../Common/Core/DataArray.js';
import vtkXMLWriter from './XMLWriter.js';
import { POLYDATA_FIELDS } from '../../Common/DataModel/PolyData/Constants.js';

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
// Global methods
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// vtkXMLPolyDataWriter methods
// ----------------------------------------------------------------------------

function vtkXMLPolyDataWriter(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkXMLPolyDataWriter'); // Capture "parentClass" api for internal use

  var superClass = _objectSpread({}, publicAPI);

  function camelize(str) {
    return str.replace(/(?:^\w|[A-Z]|\b\w)/g, function (letter) {
      return letter.toUpperCase();
    }).replace(/\s+/g, '');
  }

  publicAPI.create = function (dataObject) {
    var parent = superClass.create(dataObject);
    var polyData = parent.ele('PolyData', {});
    var piece = polyData.ele('Piece', {
      NumberOfPoints: dataObject.getPoints().getNumberOfPoints(),
      NumberOfVerts: dataObject.getNumberOfVerts(),
      NumberOfLines: dataObject.getNumberOfLines(),
      NumberOfStrips: dataObject.getNumberOfStrips(),
      NumberOfPolys: dataObject.getNumberOfPolys()
    });
    publicAPI.processDataSetAttributes(piece, 'PointData', dataObject.getPointData());
    publicAPI.processDataSetAttributes(piece, 'CellData', dataObject.getCellData());
    publicAPI.processDataArray(piece.ele('Points'), dataObject.getPoints());
    POLYDATA_FIELDS.forEach(function (cellType) {
      var cellTypeName = camelize(cellType);
      var cells = dataObject["get".concat(cellTypeName)]();
      var connectivity = [];
      var offsets = [];
      var cellsData = cells.getData();
      var npts = cellsData[0];
      var offset = 0;

      for (var i = 0; i < cellsData.length;) {
        npts = cellsData[i++];

        for (var j = 0; j < npts; ++j) {
          connectivity.push(cellsData[i++]);
        }

        offset += npts;
        offsets.push(offset);
      }

      var connectivityDataArray = vtkDataArray.newInstance({
        numberOfComponents: 1,
        name: 'connectivity',
        values: Int32Array.from(connectivity)
      });
      var offsetsDataArray = vtkDataArray.newInstance({
        numberOfComponents: 1,
        name: 'offsets',
        values: Int32Array.from(offsets)
      });
      var cellEle = piece.ele(cellTypeName);
      publicAPI.processDataArray(cellEle, connectivityDataArray);
      publicAPI.processDataArray(cellEle, offsetsDataArray);
    });
    return parent;
  };
} // ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------


var DEFAULT_VALUES = {
  dataType: 'PolyData'
}; // ----------------------------------------------------------------------------

function extend(publicAPI, model) {
  var initialValues = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  Object.assign(model, DEFAULT_VALUES, initialValues);
  vtkXMLWriter.extend(publicAPI, model, initialValues);
  vtkXMLPolyDataWriter(publicAPI, model);
} // ----------------------------------------------------------------------------

var newInstance = macro.newInstance(extend, 'vtkXMLPolyDataWriter'); // ----------------------------------------------------------------------------

var vtkXMLPolyDataWriter$1 = {
  newInstance: newInstance,
  extend: extend
};

export default vtkXMLPolyDataWriter$1;
export { extend, newInstance };