Detect Schools dialog box

The Detect Schools dialog box is used to detect schools on the current Sv echogram.

To display the Detect Schools dialog box:

  1. On the Echogram menu, click Detect Schools (to detect schools in the entire echogram).

    - OR -

  1. Make a selection (to detect schools in a selection).

  2. On the Shortcut menu (right-click), click Detect Schools.

Settings

Description

Assign class

Specify the region class to be assigned to detected schools.

Edit

Click to open the Classes page of the EV File Properties dialog box where you can create a new region class or edit an existing class.

Delete existing regions with this class first

If checked, all analysis regions of the chosen class will be deleted from the selection/entire echogram prior to detecting fish tracks.

Run classification after detection

If checked, regions will be classified according to rules specified on the Classification page of the EV File Properties dialog box.

Properties

Click to display the Schools page of the EV File Properties dialog box. Settings relevant to schools detection are changed on this page.

Detect

Click to start the school detection process. The detection of schools in large EV files may take some time.

Note: Exclusion settings on the Analysis page of the Variable Properties dialog box will also affect schools detection. A threshold should be set on the Data page of the Variable Properties dialog box.  

See also

Schools detection module
Using the schools module

About detecting schools