The Image Data Access Method (IDAM) was developed for NASA at the Johnson Space Center as the access method for the Earth Resources Interactive Processing System (ERIPS). It was designed to satisfy the need for an image data storage technique which is very efficient with storage space and data access time, but which also provides direct retrieval of all of the image data and easy programmer utilization. A set of eight user macros have been provided which satisfy the utilization requirement, and the result has proven to be a very successful image data storage and retrieval technique.

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