ami-cjs.js/src/helpers/x/helpers.x.volume.js

<p align="center"> <img src="https://cloud.githubusercontent.com/assets/214063/23213764/78ade038-f90c-11e6-8208-4fcade5f3832.png" width="60%"> </p>

/**
 * @module helpers/x/volume
 */

import HelpersStack from '../helpers.stack';
import LoadersVolume from '../../loaders/loaders.volume';

export default class extends THREE.Object3D {

  constructor() {
    super();

    this._file = null;
    this._progressbarContainer = null;
    this._stack = null;
    this._centerLPS = null;
    this._xSlice = null;
    this._ySlice = null;
    this._zSlice = null;
  }

  // accessor properties
  get file() {
    return this._file;
  }

  set file(fname) {
    this._file = fname;
  }

  set progressbarContainer(container) {
    this._progressbarContainer = container;
  }

  get centerLPS() {
    return this._centerLPS;
  }

  get stack() {
    return this._stack;
  }

  // private methods
  _createSlice(orientation) {
    if (this._stack) {
      const stackHelper = new HelpersStack(this._stack);
      stackHelper.orientation = orientation;

      if (orientation===0) {
        stackHelper.border.color = 0xF44336;
        this._xSlice = stackHelper;
      } else if (orientation===1) {
        stackHelper.bbox.visible = false;
        stackHelper.border.color = 0x4CAF50;
        this._ySlice = stackHelper;
      } else {
        stackHelper.bbox.visible = false;
        stackHelper.border.color = 0x2196F3;
        this._zSlice = stackHelper;
      }

      this._centerLPS = stackHelper.stack.worldCenter();
    }
  }

  // public methods
  load() {
    if (this.file) {
      // instantiate the loader
      // it loads and parses the dicom image
      const loader = new LoadersVolume(this._progressbarContainer);
      return loader.load(this.file).then(() => {
        return new Promise((resolve, reject) => {
          if (loader.data.length <= 0) {
            return reject({message: `No data loaded: ${loader.data}.`});
          }

          // create the three slices when all files have been loaded
          const series = loader.data[0].mergeSeries(loader.data)[0];
          loader.free();

          this._stack = series.stack[0];
          this._createSlice(0);
          this.add(this._xSlice);
          this._createSlice(1);
          this.add(this._ySlice);
          this._createSlice(2);
          this.add(this._zSlice);

          return resolve(this);
        });
      }).catch(function(error) {
        loader.free();
        window.console.log('Something went wrong loading the volume...');
        window.console.log(error);
      });
    }

    return Promise.reject({message: `File not defined: ${this.file}.`});
  }
}