Function resolveImagesDir

src/utils/colmapPathResolver.ts:219–251

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

}

export function resolveImagesDir(
  paths: Iterable<string>,
  options: ResolveImagesDirOptions = {}
): string | null {
  const counts = new Map<string, number>();
  for (const rawPath of paths) {
    if (!isImageFilename(getBasename(rawPath))) {
      continue;
    }
    // Prefer the canonical `images` root (images may be nested in per-camera
    // subdirs); fall back to the immediate parent for non-conventional layouts.
    const dir = findImagesRootDir(rawPath) ?? getParentDir(rawPath);
    counts.set(dir, (counts.get(dir) ?? 0) + 1);
  }
  if (counts.size === 0) {
    return null;
  }

  let best: { dir: string; count: number; score: number } | null = null;
  for (const [dir, count] of counts) {
    const score = getImagesDirScore(dir, options.modelDir);
    const better =
      !best ||
      score > best.score ||
      (score === best.score && count > best.count) ||
      (score === best.score && count === best.count && dir.localeCompare(best.dir) < 0);
    if (better) {
      best = { dir, count, score };
    }
  }

  return best?.dir ?? null;
}