Function parseCamerasText

src/parsers/cameras.ts:83–125

(
  text: string,
  options?: ParseCamerasTextOptions
)

 * still load); each skip is logged and reported through `options.onSkip`.
 */
export function parseCamerasText(
  text: string,
  options?: ParseCamerasTextOptions
): Map<number, Camera> {
  const cameras = new Map<number, Camera>();
  const lines = text.split('\n');

  for (const [lineIndex, line] of lines.entries()) {
    // Skip comments and empty lines
    if (line.startsWith('#') || line.trim() === '') continue;

    const parts = line.trim().split(/\s+/);
    if (parts.length < 4) continue;

    const cameraId = parseColmapIntegerToken(parts[0], { min: 0 });
    if (cameraId === null) continue;

    const modelName = parts[1];
    const modelId = colmapNameToModelId(modelName);

    if (modelId === undefined) {
      appLogger.warn(`Unknown camera model: ${modelName}`);
      options?.onSkip?.({ line: lineIndex + 1, modelName });
      continue;
    }

    const width = parseColmapIntegerToken(parts[2], { min: 0 });
    const height = parseColmapIntegerToken(parts[3], { min: 0 });
    const params = parseColmapNumberTokens(parts.slice(4));

    if (width === null || height === null || params === null) continue;

    cameras.set(cameraId, {
      cameraId,
      modelId,
      width,
      height,
      params,
    });
  }

  return cameras;
}