Function writeCamerasBinary

src/parsers/colmapBinaryWriters.ts:18–35

(cameras: Map<CameraId, Camera>)

 * Write cameras.bin.
 */
export function writeCamerasBinary(cameras: Map<CameraId, Camera>): ArrayBuffer {
  const writer = new BinaryWriter();

  writer.writeUint64FromNumber(cameras.size);

  for (const cameraId of sortedKeys(cameras)) {
    const cam = cameras.get(cameraId)!;
    writer.writeUint32(cameraId);
    writer.writeInt32(cam.modelId);
    writer.writeUint64FromNumber(cam.width);
    writer.writeUint64FromNumber(cam.height);
    for (const param of cam.params) {
      writer.writeFloat64(param);
    }
  }

  return writer.toArrayBuffer();
}

/**
 * Write images.bin.