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Annotations 9
9
9.1
Annotations
Introduction
Individual pixels and spots in a gel image can be labeled with
annotations. Annotations are used to flag items with their specific
characteristics (protein name, database accession number and so on)
or to mark spots with common characteristics. They also offer the
possibility of linking and associating gel objects to external query
engines or data sources of any format (text, html, spreadsheet,
multimedia, database) located locally or on the Internet.
Figure 9-1. Annotations are composed of an annotation basis (square or
cross), an annotation flagpole and a set of labels (flag).
An annotation is defined by its position on the gel (X and Y coordinates)
and its set of labels. Each label belongs to a predefined or user-defined
category. As shown in Figure 9-1, each annotation is composed of a
basis, which can be a square or a cross depending on whether the
annotation is attached to a spot or a pixel, a flagpole, and a flag that
consists of a set of colored labels.
Spot and pixel annotations
You can create two types of annotations (Figure 9-1):
•
Annotations linked to pixels are visualized with a cross basis. They
are simply connected to a pixel and have the same coordinates
as that pixel.
•
Annotations linked to spots are visualized with a square basis. They
are linked to a spot and have the same coordinates as that spot,
that is, as the spot's center of gravity. These annotations are
automatically selected when the linked spot is selected and vice
versa.
Melanie User Manual Edition AC
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