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Though no previous knowledge of Microsoft Windows is required to operate LCCS, there are some Selection Techniques and Screen Objects the user should become familiar with in order to be able to use the LCCS Actions Panel without problems.

Selection Techniques

Screen Objects

Typical objects in LCCS, through which the user communicates with the program by making a selection or triggering an action, are:

The Classification Module Actions Panel appears in the majority of forms/screens of this module. This panel contains 10 buttons that trigger different actions (Figure 11).

FIGURE 11. The Actions Panel in the Classification Module.

End Classification

Previous Form/Screen

Legend Menu

Image Database

Show Classifier Codes

Context Sensitive Help

Show Class

Write Class to Legend

Attributes Menu

Next Form/Screen


The buttons of the Actions Panel trigger the following events:

The buttons are in the enabled position when the action they trigger is valid. The Show Class button in the enabled position indicates that a land cover class has been formed, that is the minimum set of classifiers to define a land cover class has been determined.

In the Legend Module the screen objects consist of buttons that may or may not be followed by a combo box or sub-menu with several options, as described earlier.

For the main Legend menu options Display, Standard Description and Classifiers Used, a report will be shown which can be printed. The same applies for Similarity Assessment in the Translator Module.

In the Translator Module the selection technique consists of clicking on button objects or highlighting a selected item by clicking once on it (especially in list boxes).

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