Jdaviz IFU test files

Simulated IRIS field for the spectrometer and the same data injected into a Manga IFU data file which is given as an example for Cubeviz and is useful to have a file which has the right structure.本数据集包含适用于光谱仪的模拟IRIS视场，同时将该数据集注入Manga IFU（Integral Field Unit，积分场单元）数据文件中。该文件作为Cubeviz的示例数据提供，可用于获取结构合规的测试文件。