標準號：SIS SS-ISO 8632-4-1989
中文標準名稱：信息處理系統．計算機圖片．圖片描述信息儲存和傳遞文件．第4部分：明碼電文編碼
英文標準名稱：Information processing systems — Computer graphics — Metafile for the storage and transfer of picture description information — Part 4: Clear text encoding
發布日期：1989/12/6 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：This part of ISO 8632/4 specifies a clear text encoding of the Computer Graphics Metafile. For each of the elements specified in ISO 8632/1, a clear text encoding is specified. Allowed abbreviations are specified. The overall format of the metafile and the means by which comments may be interspersed in the metafile is specified.This encoding of the CGM allows metafiles to be created and maintained in a form which is simple to type, easy to edit and convenient to read.