Function resolveColmapPaths

src/utils/colmapPathResolver.ts:103–149

(
  paths: Iterable<string>,
  options: ResolveColmapPathsOptions = {}
)

 * when no complete model is present.
 */
export function resolveColmapPaths(
  paths: Iterable<string>,
  options: ResolveColmapPathsOptions = {}
): ColmapPathSelection | null {
  const requirePoints3D = options.requirePoints3D ?? true;
  const directories = new Map<string, ColmapDirectory>();

  for (const rawPath of paths) {
    const role = getColmapRole(getBasename(rawPath));
    if (!role) {
      continue;
    }
    const dir = getParentDir(rawPath);
    const entry = directories.get(dir) ?? {};
    entry[role] = role === 'database'
      ? (entry[role] ?? rawPath)
      : choosePreferredPath(entry[role], rawPath);
    directories.set(dir, entry);
  }

  const candidates: { dir: string; entry: ColmapDirectory }[] = [];
  for (const [dir, entry] of directories) {
    if (entry.cameras && entry.images && (entry.points3D || !requirePoints3D)) {
      candidates.push({ dir, entry });
    }
  }

  if (candidates.length === 0) {
    return null;
  }

  candidates.sort((a, b) => {
    const scoreDelta = getColmapDirectoryScore(a.dir) - getColmapDirectoryScore(b.dir);
    return scoreDelta !== 0 ? scoreDelta : a.dir.localeCompare(b.dir);
  });

  const best = candidates[0];
  return {
    dir: best.dir,
    cameras: best.entry.cameras,
    images: best.entry.images,
    points3D: best.entry.points3D,
    database: best.entry.database,
    rigs: best.entry.rigs,
    frames: best.entry.frames,
  };
}

const IMAGE_EXTENSIONS = ['.jpg', '.jpeg', '.png', '.gif', '.bmp', '.webp', '.tiff', '.tif'];