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To search for moments when the object crosses a virtual line:

1. Set In the Surveillance window, set the virtual line to be crossed in the Viewing Tile.
   

   The end points of the line are connected by a two-colored dotted line. The direction of the object 's motion movement across the line is indicated by dotted arrows.

   By default, the end points of the line have the coordinates (50%, 30%) and (50%, 70%) as percentages of the width and height of the frame, respectively.
   

   To move the end point of a line, position hover the cursor on over the end point and hold , holding down the left mouse button as you , move the mouse.

   By default, both directions of motion movement across the virtual line are taken into account when searching the archive. If you do not need to search in a specific direction, click the button corresponding to that direction.

   Note
   title Attention!
   At least one direction must be selected for the search.

   
   

   Info
   title Note
   A disregarded direction of object motion movement is indicated by a dimmed arrow.

2. Select the metadata source if there are several for this video camera. This parameter will not be isn't displayed if there is only one source.

3. Specify any number of additional parameters by clicking , if necessary (see Configure Configuring the search parameters).

4. Set the search interval (see Setting a search interval).

5. Click the Search button.

   Info
   title Note
   Once launchedstarted, the search can be stopped at any time. To do this, click the Stop button, which appears instead of the Search button.

The found moments are displayed in the search results panel.