Function loadOBJFile

js/stlLoader.js:194–216

(file)

  return area;
}

/**
 * Load an OBJ from a File object.
 * Returns { geometry, bounds }.
 */
export function loadOBJFile(file) {
  if (file.size > MAX_FILE_SIZE) {
    return Promise.reject(new Error(
      'File too large (' + Math.round(file.size / 1024 / 1024) + ' MB). Maximum supported: ' + (MAX_FILE_SIZE / 1024 / 1024) + ' MB.'
    ));
  }
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.onload = (e) => {
      try {
        const group = objLoader.parse(e.target.result);
        const geometry = mergeGroupGeometries(group);
        const { nanCount, degenerateCount, originOffset } = setupGeometry(geometry);
        const bounds = computeBounds(geometry);
        resolve({ geometry, bounds, nanCount, degenerateCount, originOffset });
      } catch (err) {
        reject(err);
      }
    };
    reader.onerror = () => reject(new Error('Could not read file'));
    reader.readAsText(file);