1. 1. ARCHIVE (camera capture file) 2. MASTER (corrected & adjusted) 3. MR SID (wavelet compressed) 4. ‘LARGE’ (full-frame P’Point) 5. ‘SMALL’ (1/2 frame P’Point) 6. PREVIEW 7. THUMBNAIL Full Plate Image File Examples File Examples 1 of 3

2. Camera files are archived with acquisition settings Master files are archived Derivatives are backed up and transferred to AMF computer Process overview for DM image capture Digital Camera capture, direct to computer Files transferred to BH Camera named file referenced to AMF filename Images acquired at 12 bits per channel File derivatives are produced MrSid Preview & Thumbnail for database “Large” and “Small” for downloading AMF review output Problem files re-processed Images processed to “master” specification Bridgehead Australia 1/259 Glen Osmond Rd., Frewville. SA 5063 Ph: 61-8 8379 5499 Fax: 61-8 8379 6933 2 of 3

3. File specifications for DM Digital Camera capture file 12 bits per channel 3072 x 2049 pixels File derivatives are produced MrSid is produced: Master file is sharpened and then compressed to 20x, with ’normal’ settings in MrSID- Compress for RGB colour. Generation of Master file: Acquired file is corrected for colour and brightness range, trimmed and resampled to 3,000 pixels from top to bottom of plate. Horizontal dimension will be fixed for all plate files. File is saved as TIFF, unsharpened, RGB Preview & Thumbnail for database: Master is resampled for each Sharpening is applied to each set to best suit 24 bit colour monitor display. Files are compressed using JPG with a balance of speed and quality in mind. “Large” and “Small” for downloading: Large file is 700 pixels high Small file is 350 pixels high Images are each generated directly from the Master. Sharpening and JPG compression are optimised for PowerPoint display. MrSid file: Placed on web-delivered database for downloading and viewing on a local MrSid viewer. Preview & Thumbnail: Thumbnail for fast display in search results. Preview for verification of result. Large & Small files: Either file would be chosen following a search. Large is suitable for full screen PowerPoint use Small is suitable for up to ½ screen PowerPoint use. Bridgehead Australia 1/259 Glen Osmond Rd., Frewville. SA 5063 Ph: 61-8 8379 5499 Fax: 61-8 8379 6933 end