Filter
Top Products
A-61124 March 1999 3-9
Recommended retrieval
methods
The following examples illustrate how to retrieve image headers
and images.
To read compound images (image header with image) using
packets:
• Perform a SCSI Read asking for 64K bytes of compound data.
• From the header, you find the image is 316,000 bytes long.
Assuming the header is 512 bytes long, 65,024 bytes of image
were obtained from the first read. That means there are still
250,976 bytes of image to be read.
• Execute three more 64K-byte SCSI Read commands asking for
compound data to obtain a total of 261,632 (196,608 + 65,024)
bytes of image data.
• Execute a SCSI Read requesting 54,368 bytes of data.
To read the header and then read the image:
• Perform a SCSI Read asking for 512 bytes of header data.
• From the header, you find the image is 316,000 bytes long.
• Execute a SCSI Read asking for 316,000 bytes of image data.