Bio-Rad Quantity One 1-D Analysis Software - Manual (Page 36)

Chapter 2. General Information
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You can also open images from other The Discovery Series software (PDQuest,
Diversity Database, DNACode).
The application comes with a selection of sample images. In Windows, these are
located in The Discovery Series/Sample Images/1D directory. On the Macintosh, they
are stored in the Sample Images folder in the Quantity One folder.
Opening TIFF Images
The Open command can also be used to import TIFF images created using other
software applications.
There are many types of TIFF formats that exist on the market. Not all are supported
by The Discovery Series. There are two broad categories of TIFF files that are
supported:
1. 8-bit Grayscale. Most scanners have an option between line art, full color, and
grayscale formats. Select grayscale for use with The Discovery Series software.
In a grayscale format, each pixel is assigned a value from 0 to 255, with each
value corresponding to a particular shade of gray.
2. 16-bit Grayscale. Bio-Rad’s Molecular Imager FX and Personal Molecular
Imager and Fluor-S, and VersaDoc imaging systems use 16-bit pixel values to
describe intensity of scale. Molecular Dynamics
™ and Fuji ™ imagers also use 16-
bit pixel values. The Discovery Series understands these formats and can
interpret images from both Bio-Rad and Molecular Dynamics storage phosphor
systems.
Note: The program can import 8- and 16-bit TIFF images from both Macintosh and PC
platforms.
TIFF files that are not supported include:
1. 1-bit Line Art. This format is generally used for scanning text for optical
character recognition or line drawings. Each pixel in an image is read as either
black or white. Because the software needs to read continuous gradations to
perform gel analysis, this on-off pixel format is not used.
2. 24-bit Full Color or 256 Indexed Color. These formats are frequently used for
retouching photographs and are currently unsupported in The Discovery Series,