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PhotoDisc is marketing volumes of digital color photographs. Each volume of the series, available on either CD-ROM or floppy disks, contains more than 400 24-bit color photos with virtually unlimited usage rights (the main stricture is that they cannot be resold).
Each PhotoDisc image comes in three file formats: TIFF (350x400 pixels, 72 dpi), compressed PICT (1,000x1,500 pixels, 72 dpi) and JPEG-compressed TIFF (1,900x1,300 pixels, 300 dpi). The firm licensed its JPEG compression and decompression capabilities from Storm Technology.
PhotoDisc volumes, which are available for the PC or Macintosh, cost $395 apiece. Volume I, Business and Industry, has just been released.
Full cataloging features. PhotoDisc volumes come with LightBox, software that handles image display, cataloging and retrieval. The user can add keywords to images, then perform boolean searches (and, or, but not) on the keywords. Each image can have many keywords. A keyword can …