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本文详细介绍图象的FITS格式、BMP格式和SCR格式。FITS格式已经是天文界的通用格式,几乎所有的天文软件包都支持这一格式,而BMP格式在PC计算机上有广泛的运用,有大量PC软件支持BMP图象的显示,处理和打印。云南天文台的SCR格式是PC机采集CCD图象所使用的格式。实现这三种格式的相互转换,就可以自由的将CCD图象在PC机和工作站上进行各种处理。转换的包括图象头和图象数据的转换,其关键在于交换数据的高低字节。
This article details the FITS, BMP, and SCR formats of images. FITS format is already a common astronomical format, almost all of the astronomical software packages support this format, and BMP format has a wide range of PC computer applications, a large number of PC software to support BMP image display, processing and printing. The Yunnan Observatory’s SCR format is the format used by PC to capture CCD images. To achieve the conversion of these three formats, you are free to CCD images on the PC and workstation for a variety of processing. Conversion, including image header and image data conversion, the key lies in the exchange of high and low bytes of data.