To search for moments when the object crosses a virtual line:
- 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 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.
Note
You can collapse the graphical elements if they block the visual elements and prevent editing them. To hide them, select the Hide graphical elements check box.
To move the end point of a line, position the cursor on the end point and hold down the left mouse button as you move the mouse.
By default, both directions of motion 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.Attention!
At least one direction must be selected for the search.Note
A disregarded direction of object motion is indicated by a dimmed arrow. Select the metadata source if there are several for this video camera. This parameter will not be displayed if there is only one source.
Specify any number of additional parameters by clicking
, if necessary (see Configure the search parameters).- Set the search interval (see Setting a search interval).
- Click the Search button.