Extract (Interactive)

The interactive extract logic can be used to manually select and extract class sums resulting from a Classification or SumByReference.

As input data class sums required. Push the PLAY button once to import the data resulting in a blue hourglass. Via drag-and-drop the class sums that should be extracted can be transferred into the right window for selected class sums. By clicking the right mouse button on the field showing the input class sums, three different modes can be selected.

Selection Mode Description
Multi Selection Multiple class sums can be selected. The whole selection can then be transferred into the right window for selected class sums using drag-and-drop.
Single Selection Only one class sum can be selected. A single class sum can then be transferred into the right window for selected class sums using drag-and-drop.
Extended Selection Allows a Multi Selection by using CTRL + left mouse button or a selection of continuous class sums (according to the numeration) by SHIFT + left mouse button.

NOTE: Selected class sums can be removed by right-clicking and choosing either Delete (for single class sum) or Delete selection (for a multiple selection).

In order to apply the final selection, the process has to be saved by clicking the SAVE button and further executed with the RUN button.

In order to distinguish the quality of class sums the properties of the visualization can be modified if required.

Parameters Description
Auto Grey values of the class sums are pre-set.
Local The minimum and maximum grey value from a single selected class sum can be adjusted.
Global The minimum and maximum grey value of all input-class sums can be adjusted.
Input Description
Io::in Class sums resulting from a Classification or SumByReference
Output Description
Io:out Extraction of selected class sums